WO2003008883A1 - Hinge down refrigerator water filter - Google Patents

Hinge down refrigerator water filter Download PDF

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Publication number
WO2003008883A1
WO2003008883A1 PCT/US2002/023236 US0223236W WO03008883A1 WO 2003008883 A1 WO2003008883 A1 WO 2003008883A1 US 0223236 W US0223236 W US 0223236W WO 03008883 A1 WO03008883 A1 WO 03008883A1
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge
manifold
cover
water filter
refrigerator
Prior art date
Application number
PCT/US2002/023236
Other languages
French (fr)
Inventor
James H. Jenkins
David J. Olberding
Michael J. Eveland
Todd E. Kniffen
John Frank Zinni
Timothy Mark Nugent
Ravi Kumar Sawhney
Original Assignee
Maytag Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maytag Corporation filed Critical Maytag Corporation
Priority to MXPA04000395A priority Critical patent/MXPA04000395A/en
Priority to CA002453621A priority patent/CA2453621C/en
Priority to AU2002319629A priority patent/AU2002319629C1/en
Priority to EP02750230A priority patent/EP1407205A1/en
Publication of WO2003008883A1 publication Critical patent/WO2003008883A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F25D23/126—Water cooler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4023—Means for connecting filter housings to supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4084—Snap or Seeger ring connecting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/14—Water supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/121—General constructional features not provided for in other groups of this subclass the refrigerator is characterised by a water filter for the water/ice dispenser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/06—Refrigerators with a vertical mullion

Definitions

  • Refrigerators often times include water filters to treat water used to make ice cubes or dispensed from a built-in water dispenser.
  • the filter assemblies include a manifold with a removable filter cartridge which can be replaced periodically.
  • Prior art water filter assemblies are typically located at the bottom of the refrigerator adjacent the floor or in the rear of the fresh food compartment adjacent the ceiling. In both instances, access to the cartridge for replacement is not convenient and the cartridge may be difficult to reach for some people.
  • a primary objective of the present invention is the provision of an improved water filter assembly for a refrigerator.
  • Another objective of the present invention is the provision of refrigerator water filter assembly which is pivotally mounted to the ceiling in the fresh food compartment.
  • Another objective of the present invention is the provision of a refrigerator water filter assembly wherein the filter cartridge is partially recessed into the ceiling of the fresh food compartment so as to minimize encroachment into the compartment.
  • a further objective of the present invention is the provision of a method of accessing the water filter cartridge in a refrigerator involving the steps of opening a filter cover to expose the filter cartridge, pivoting the filter manifold and cartridge downwardly and manually removing the cartridge from the manifold.
  • Still another objective of the present invention is the provision of a hinge down refrigerator water filter assembly that provides quick and easy access for replacement of the filter cartridge.
  • Another objective of the present invention is the provision of a refrigerator water filter assembly which is economical to manufacture and durable in use.
  • a water filter assembly for a refrigerator, and includes a base mounted in the ceiling of the fresh food compartment of the refrigerator, a manifold pivotally mounted in the base, a cartridge releasably mounted in the manifold, and a cover pivotally mounted to the manifold.
  • the cover is movable between a closed position which holds the manifold and cartridge in an upwardly pivoted position, and an open position wherein the manifold and filter cartridge pivot downwardly from the ceiling.
  • the cover pivots downwardly a greater degree than the manifold and cartridge so as to expose the filter for grasping and removal from the manifold.
  • the filter cartridge When the cover is in the closed position, the filter cartridge is at least partially recessed into the ceiling, thereby minimizing the space occupied by the filter assembly in the food compartment.
  • a clip normally retains the cover in the closed position.
  • Figure 1 is a perspective view of a refrigerator illustrating the location of the water filter assembly of the present invention.
  • Figure 2 is a perspective view of the water filter assembly in the closed position.
  • Figure 3 is a perspective view of the water filter assembly in an open position.
  • Figure 4 is a sectional view of the water filter assembly taken along lines 4-4 of Figure 3.
  • Figure 5 is a perspective view of the base of the water filter assembly.
  • Figure 6 is a sectional view of the base taken along lines 6-6 of Figure 5.
  • Figure 7 is a sectional view of the base taken along lines 7-7 of Figure 5.
  • Figure 8 is a perspective view of the filter manifold of the water filter assembly.
  • Figure 9 is a side elevation view of the filter manifold of the water filter assembly.
  • Figure 10 is a perspective view of the cover of the water filter assembly.
  • Figure 11 is a sectional view of the cover taken along lines 11-11 of Figure 10.
  • the water filter assembly 10 of the present invention is shown to be mounted in the roof or ceiling 12 of a refrigerator 14.
  • the filter assembly 10 may be mounted in one of the side wall panels 16 of the refrigerator 14, though the preferred location is in the ceiling 12.
  • the water filter assembly 10 includes a base 18, a filter manifold 20, a filter cartridge 22, and a cover 24.
  • the manifold 20 and the cover 24 are pivotal.
  • the cover 24 is movable between a closed position, shown in Figure 2, wherein the manifold 20 and the cartridge 22 are held in a substantially horizontal position, with the cartridge 22 being partially recessed into the ceiling 12, and an open position shown in Figure 3 wherein the manifold 20, the cartridge 22, and the cover 24 are pivoted downwardly from the base 18 to provide access to the cartridge 22.
  • the cover 24 pivots a greater degree than the manifold 20 and the cartridge 22.
  • the base 18 is adapted to be mounted on the ceiling 12 of the refrigerator 14 through a plurality of clips 26 which are adapted to extend through corresponding holes in the ceiling 12.
  • the base includes a rear housing or tunnel 28 through which water lines 30, 32 extend.
  • the base also includes a collar 34 and a clip 36 opposite one another to pivotally support the manifold 20 as described below.
  • the base 18 also includes an enlarged opening 38 corresponding to the shape of the filter cartridge 22 which allows a portion of the cartridge to extend upwardly through the opening 38 and into a recess in the ceiling 12, when the cover 24 is closed, as best seen in Figure 2.
  • the manifold 20 is best shown in Figures 8 and 9.
  • the manifold 20 includes an upper plate 40 and opposite downwardly extending side plates or wings 42.
  • a pair of pins 44 extend outwardly from each of the wings 42 and define a pivot axis for the manifold 20.
  • the pins 44 of the manifold 22 are adapted to be received in the collar 34 and the clip 36 of the base 18, as shown in Figure 4, so as to pivotally mount the manifold 22 to the base 18.
  • the upper plate 40 includes a sloped portion 46 angled downwardly and rearwardly from the pivot pins 44.
  • the manifold 20 also includes a head 48 adapted to threadably receive the cartridge 22.
  • the head 48 includes the female plug 50 which mates with the cartridge 22 in a conventional manner.
  • the plug 50 includes a plurality of O rings 52 to matingly seal with the cartridge 22 and prevent water leakage.
  • Conventional valves 54 are provided in the head 48 so as to provide communication between the water lines 30, 32 when the cartridge 22 is mounted on the head 48 of the manifold 20.
  • the cover 24 is shown in Figures 10 and 11 and is shaped so as to substantially matingly enclose the cartridge 22 when in the closed position.
  • the cover 24 includes opposite flared out portions 56 adjacent the rearward end of the cover 24.
  • Each flared out portion 56 includes an inwardly directed collar 58 which are adapted to receive the pins 44 of the manifold 20 such that the cover 24 is pivotally mounted on the manifold 20.
  • the trailing edge 60 of the flared out portions 56 is tapered or sloped downwardly to permit the cover 24 to pivot relative to the base 18.
  • the angle of the trailing edge 60 relative to a horizontal plane is greater than the angle of the sloped portion 46 of the manifold plate 40, such that the cover 24 pivots a greater amount than the manifold 20 and the cartridge 22, as seen in Figure 3.
  • a clip 62 is provided on the front end of the cover 24 and is adapted to releasably engage a retention surface 64 on the base 18 to thereby releasably lock the cover 24 in the closed position shown in Figure 2.
  • the clip 62 of the cover 24 is depressed for release from the clip retention surface 64 on the base 18.
  • the cover 24 can be further pivoted to a spaced relation from the cartridge 22, as shown in Figure 3, so that a person can easily grasp the cartridge 22 and twist the cartridge 22 for disengagement from the manifold head 48.
  • a new cartridge can be installed on the manifold head 48.
  • the cover 24 can then be pushed upwardly until the clip 62 locks on the retention surface 64 of the base 18.

Abstract

A refrigerator water filter assembly (10) is provided in the ceiling (12) of a refrigerator (14) and is adapted to hinge downwardly from the ceiling (12) for changing the filter cartridge (22). The cartridge (22) is normally partially recessed within the ceiling (12) so as to minimize the use of space in the food compartment of the refrigerator. The filter assembly (10) includes a base (18) mounted in the refrigerator ceiling (12), a manifold (20) pivotally mounted on the base (18), a filter cartridge (22) attached to the manifold (20), and a cover (24) pivotally mounted on the manifold (20) so as to be movable between open and closed positions. When the cover (24) is opened, the filter cartridge (22) is angled downwardly from the ceiling (12) for easy grasping by a person for replacement of the cartridge (22).

Description

HINGE DOWN REFRIGERATOR WATER FILTER
BACKGROUND OF THE INVENTION
Refrigerators often times include water filters to treat water used to make ice cubes or dispensed from a built-in water dispenser. The filter assemblies include a manifold with a removable filter cartridge which can be replaced periodically. Prior art water filter assemblies are typically located at the bottom of the refrigerator adjacent the floor or in the rear of the fresh food compartment adjacent the ceiling. In both instances, access to the cartridge for replacement is not convenient and the cartridge may be difficult to reach for some people.
Therefore, a primary objective of the present invention is the provision of an improved water filter assembly for a refrigerator.
Another objective of the present invention is the provision of refrigerator water filter assembly which is pivotally mounted to the ceiling in the fresh food compartment. Another objective of the present invention is the provision of a refrigerator water filter assembly wherein the filter cartridge is partially recessed into the ceiling of the fresh food compartment so as to minimize encroachment into the compartment.
A further objective of the present invention is the provision of a method of accessing the water filter cartridge in a refrigerator involving the steps of opening a filter cover to expose the filter cartridge, pivoting the filter manifold and cartridge downwardly and manually removing the cartridge from the manifold.
Still another objective of the present invention is the provision of a hinge down refrigerator water filter assembly that provides quick and easy access for replacement of the filter cartridge. Another objective of the present invention is the provision of a refrigerator water filter assembly which is economical to manufacture and durable in use.
These and other objectives will become apparent from the following description of the invention. SUMMARY OF THE INVENTION
A water filter assembly is provided for a refrigerator, and includes a base mounted in the ceiling of the fresh food compartment of the refrigerator, a manifold pivotally mounted in the base, a cartridge releasably mounted in the manifold, and a cover pivotally mounted to the manifold. The cover is movable between a closed position which holds the manifold and cartridge in an upwardly pivoted position, and an open position wherein the manifold and filter cartridge pivot downwardly from the ceiling. The cover pivots downwardly a greater degree than the manifold and cartridge so as to expose the filter for grasping and removal from the manifold. When the cover is in the closed position, the filter cartridge is at least partially recessed into the ceiling, thereby minimizing the space occupied by the filter assembly in the food compartment. A clip normally retains the cover in the closed position.
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a refrigerator illustrating the location of the water filter assembly of the present invention.
Figure 2 is a perspective view of the water filter assembly in the closed position.
Figure 3 is a perspective view of the water filter assembly in an open position.
Figure 4 is a sectional view of the water filter assembly taken along lines 4-4 of Figure 3.
Figure 5 is a perspective view of the base of the water filter assembly.
Figure 6 is a sectional view of the base taken along lines 6-6 of Figure 5.
Figure 7 is a sectional view of the base taken along lines 7-7 of Figure 5.
Figure 8 is a perspective view of the filter manifold of the water filter assembly. Figure 9 is a side elevation view of the filter manifold of the water filter assembly.
Figure 10 is a perspective view of the cover of the water filter assembly.
Figure 11 is a sectional view of the cover taken along lines 11-11 of Figure 10.
DETAILED DESCRIPTION OF THE INVENTION The water filter assembly 10 of the present invention is shown to be mounted in the roof or ceiling 12 of a refrigerator 14. Alternatively, the filter assembly 10 may be mounted in one of the side wall panels 16 of the refrigerator 14, though the preferred location is in the ceiling 12.
The water filter assembly 10 includes a base 18, a filter manifold 20, a filter cartridge 22, and a cover 24. The manifold 20 and the cover 24 are pivotal. The cover 24 is movable between a closed position, shown in Figure 2, wherein the manifold 20 and the cartridge 22 are held in a substantially horizontal position, with the cartridge 22 being partially recessed into the ceiling 12, and an open position shown in Figure 3 wherein the manifold 20, the cartridge 22, and the cover 24 are pivoted downwardly from the base 18 to provide access to the cartridge 22. As seen in Figure 3, the cover 24 pivots a greater degree than the manifold 20 and the cartridge 22.
The base 18 is adapted to be mounted on the ceiling 12 of the refrigerator 14 through a plurality of clips 26 which are adapted to extend through corresponding holes in the ceiling 12. The base includes a rear housing or tunnel 28 through which water lines 30, 32 extend. The base also includes a collar 34 and a clip 36 opposite one another to pivotally support the manifold 20 as described below. The base 18 also includes an enlarged opening 38 corresponding to the shape of the filter cartridge 22 which allows a portion of the cartridge to extend upwardly through the opening 38 and into a recess in the ceiling 12, when the cover 24 is closed, as best seen in Figure 2.
The manifold 20 is best shown in Figures 8 and 9. The manifold 20 includes an upper plate 40 and opposite downwardly extending side plates or wings 42. A pair of pins 44 extend outwardly from each of the wings 42 and define a pivot axis for the manifold 20. The pins 44 of the manifold 22 are adapted to be received in the collar 34 and the clip 36 of the base 18, as shown in Figure 4, so as to pivotally mount the manifold 22 to the base 18. The upper plate 40 includes a sloped portion 46 angled downwardly and rearwardly from the pivot pins 44.
The manifold 20 also includes a head 48 adapted to threadably receive the cartridge 22. The head 48 includes the female plug 50 which mates with the cartridge 22 in a conventional manner. The plug 50 includes a plurality of O rings 52 to matingly seal with the cartridge 22 and prevent water leakage. Conventional valves 54 are provided in the head 48 so as to provide communication between the water lines 30, 32 when the cartridge 22 is mounted on the head 48 of the manifold 20. The cover 24 is shown in Figures 10 and 11 and is shaped so as to substantially matingly enclose the cartridge 22 when in the closed position. The cover 24 includes opposite flared out portions 56 adjacent the rearward end of the cover 24. Each flared out portion 56 includes an inwardly directed collar 58 which are adapted to receive the pins 44 of the manifold 20 such that the cover 24 is pivotally mounted on the manifold 20. The trailing edge 60 of the flared out portions 56 is tapered or sloped downwardly to permit the cover 24 to pivot relative to the base 18. The angle of the trailing edge 60 relative to a horizontal plane is greater than the angle of the sloped portion 46 of the manifold plate 40, such that the cover 24 pivots a greater amount than the manifold 20 and the cartridge 22, as seen in Figure 3. A clip 62 is provided on the front end of the cover 24 and is adapted to releasably engage a retention surface 64 on the base 18 to thereby releasably lock the cover 24 in the closed position shown in Figure 2.
In use, with the cartridge 22 is mounted on the manifold 20, water is supplied through the water line 30 to the filter for treatment, and then returned through the water line 32 for supply to the refrigerator ice maker or water dispenser. When it is time to change the filter, as indicated in any known manner, the clip 62 of the cover 24 is depressed for release from the clip retention surface 64 on the base 18. Upon release of the clip 62, the cover 24, the manifold 20 and the cartridge 22 pivot downwardly by gravity away from the ceiling 12. The cover 24 can be further pivoted to a spaced relation from the cartridge 22, as shown in Figure 3, so that a person can easily grasp the cartridge 22 and twist the cartridge 22 for disengagement from the manifold head 48. A new cartridge can be installed on the manifold head 48. The cover 24 can then be pushed upwardly until the clip 62 locks on the retention surface 64 of the base 18.
The invention has been shown and described above with the preferred embodiments, and it is understood that many modifications, substitutions, and additions may be made which are within the intended spirit and scope of the invention. From the foregoing, it can be seen that the present invention accomplishes at least all of its stated objectives.

Claims

What is claimed is:
1. A water filter assembly for a refrigerator having a fresh food compartment with a floor, a ceiling and side walls, the assembly comprising: a base mounted in the ceiling; a manifold pivotally mounted in the base; a water filter cartridge releasably mounted to the manifold; and a cover for enclosing the water filter and being movable between a closed position wherein the manifold and filter cartridge are pivoted upwardly and an open position wherein the manifold and filter pivot downwardly from the ceiling for removal of the filter cartridge from the manifold.
2. The water filter assembly of claim 1 wherein the water filter cartridge is in a substantially horizontal position when the cover is closed.
3. The water filter assembly of claim 1 further comprising a clip to retain the cover in the closed position.
4. The water filter assembly of claim 1 wherein the cover is pivotally attached to the manifold.
5. The water filter assembly of claim 4 wherein the cover pivots away from the filter cartridge when opened to provide access to the filter cartridge.
6. The water filter assembly of claim 1 wherein the manifold and the cover have a common pivot axis.
7. The water filter assembly of claim 1 wherein the manifold includes opposite pins to pivotally mount the manifold to the base.
8. The water filter assembly of claim 7 wherein the cover is pivotally mounted on the manifold pins.
9. The water filter assembly of claim 8 wherein the cover is pivotal a greater degree than the manifold and filter cartridge so as to be spaced from the filter cartridge when in the open position.
10. The water filter assembly of claim 8 wherein the manifold is pivotal a first radial distance and the cover is pivotal a second radial distance, the second radial distance being greater than the first radial distance.
11. The water filter assembly of claim 1 wherein the cartridge is partially recessed into the ceiling when the cover is in the closed position.
12. A method of accessing a refrigerator filter cartridge mounted in a ceiling portion of the refrigerator, comprising: opening a filter cover attached to a filter manifold to exposure the filter cartridge mounted on the manifold; and pivoting the manifold and cartridge downwardly such that the cartridge can be grasped and removed from the manifold.
13. The method of claim 12 further comprising pivoting the cover downwardly to open the cover.
14. The method of claim 13 further comprising pivoting the cover further than the manifold and cartridge to provide access to the cartridge.
15. The method of claim 12 further comprising retaining the cover in a closed position with a clip.
16. An improved refrigerator having a fresh food compartment defined by a bottom, side wall panels and a ceiling panel, the improvement comprising: a water filter cartridge pivotally mounted adjacent one of the panels for movement about a pivot axis substantially parallel to the one panel.
17. The improved refrigerator of claim 16 wherein the cartridge is at least partially recessed into the one panel.
18. The improved refrigerator of claim 16 further comprising a cover movable between a closed position covering the cartridge and an open position exposing the cartridge.
19. The improved refrigerator of claim 18 wherein the cover is pivotally mounted adjacent the one panel for pivotal movement between the open and closed positions.
20. The improved refrigerator of claim 19 further comprising a clip to releasably retain the cover in the closed position.
21. The improved refrigerator of claim 19 wherein the cover pivots a greater degree than the cartridge so as to be spaced from the cartridge when in the open position.
22. The improved refrigerator of claim 16 further comprising a filter manifold pivotally mounted in the one panel and adapted to supply water to and receive water from the cartridge.
23. The improved refrigerator of claim 16 wherein the pivot axis does not extend through the cartridge.
PCT/US2002/023236 2001-07-16 2002-07-15 Hinge down refrigerator water filter WO2003008883A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
MXPA04000395A MXPA04000395A (en) 2001-07-16 2002-07-15 Hinge down refrigerator water filter.
CA002453621A CA2453621C (en) 2001-07-16 2002-07-15 Hinge down refrigerator water filter
AU2002319629A AU2002319629C1 (en) 2001-07-16 2002-07-15 Hinge down refrigerator water filter
EP02750230A EP1407205A1 (en) 2001-07-16 2002-07-15 Hinge down refrigerator water filter

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30573501P 2001-07-16 2001-07-16
US60/305,735 2001-07-16
US10/195,659 US7056435B2 (en) 2001-07-16 2002-07-15 Hinge down refrigerator water filter
US10/195,659 2002-07-15

Publications (1)

Publication Number Publication Date
WO2003008883A1 true WO2003008883A1 (en) 2003-01-30

Family

ID=26891191

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/023236 WO2003008883A1 (en) 2001-07-16 2002-07-15 Hinge down refrigerator water filter

Country Status (6)

Country Link
US (3) US7056435B2 (en)
EP (1) EP1407205A1 (en)
AU (1) AU2002319629C1 (en)
CA (1) CA2453621C (en)
MX (1) MXPA04000395A (en)
WO (1) WO2003008883A1 (en)

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US7056435B2 (en) 2006-06-06
US7083725B2 (en) 2006-08-01
CA2453621A1 (en) 2003-01-30
EP1407205A1 (en) 2004-04-14
CA2453621C (en) 2008-05-20
US20060113237A1 (en) 2006-06-01
MXPA04000395A (en) 2004-10-27
AU2002319629B2 (en) 2005-11-17
US20050247620A1 (en) 2005-11-10
US20030024259A1 (en) 2003-02-06
US7491327B2 (en) 2009-02-17
AU2002319629C1 (en) 2009-06-25

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