US1532635A - Ceiling ventilator - Google Patents
Ceiling ventilator Download PDFInfo
- Publication number
- US1532635A US1532635A US694298A US69429824A US1532635A US 1532635 A US1532635 A US 1532635A US 694298 A US694298 A US 694298A US 69429824 A US69429824 A US 69429824A US 1532635 A US1532635 A US 1532635A
- Authority
- US
- United States
- Prior art keywords
- shutters
- air
- ventilator
- housing
- depressions
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
Definitions
- My invention relates to improvements in ventilators, and 1t conslsts of the construcv tions, combinations and arrangements herein described and claimed.
- An object of the invention is to provide a simple but eiiicient ventilator adaptable for-use in kitchens, rooms and elseWhere,-it being readily set and fastened against a ceiling' for these purposes.
- a further object of the invention is yto place the shutters in such position that they will open by the force of the air exhausted by the fan and close when the fan is stopped.
- Figure 1l is' a ventilator ⁇ showing the shutters open (ull while the fan-,is in operation, Figure 2 jisa ⁇ horizontal section on the line 2-2of Figure 1,
- One of the functions of the improved ventilator is to exhaust the steam and heat laden airof kitchens, but the ventilator -is not Vgettin behind the small ends oftheshut-- limited tothis use2 it being applicable to any ters. he delectorsrun the same wayas-th place whence a circulation of air isfound desirable.
- the face plate 1l is part of a .square vbox 4 which is concealed above the ceiling and constitutes the housing ofthe motor 5.
- a pair otshutters 9 and 10 are hingfi upon .rods 11 and 12 respectively at the dut- ⁇ let 13 vof the housing in positions parallel to each otherso that upon closing the edges of .the shutters will meet and v,so close the ongitudinal section of the' may open more readily.
- the hinge bearings 14 and 15 are situated at the sides of the respective shutters as shown in Figure 2.;
- the 12 extend across the housing being suitably supported in the sides, particularly .1n shallow depressions 18,;.and 19. housin .4', the ends resslons. l
- Delectors 22 and 23 prevent the air from.
- Each flan e are co-extensive with tlejhous deiector has an -upstaud 24 which stops the upward movementl-
- the shutters are pressedv L)ward hinge rods 11 and and These are formed out of the top-cffthef and vthe ends of the housingare' prOper y shaped to close the ends;tig/gehe" de-l of t e respective shutters and prevents it' from reaching the perpendicular position.
- the electric w1re25 may lead from the'motor 5 to the sourcev of current in any convenient manner, the drawing merely suggest'- ingone way in which it may be done.
- the shutters 9 and 10 occupy the closed ositions shown in ⁇ dotted. lines.
- the shu ders 2O and 21 provide stops for thepends ont the The operatlon may be readily understood from the followingvdescripticn. Normally ⁇ 'shuttersfsothat theycan l close no farther v than -sh( vv11'. The resulting sloping position vof the' shutters makes it easier to open them when thetair 'blaststarts l /Upon starting the .motor .I5 the air will force the shutters, tothe open position where they remain as long as a current of air passes through.
- the flanges 24 limit the opening movement of the shutters, and the deectors 22 and 23 of Which the flanges are a part, prevent air from entering behind the shutters.
- a ventilator comprising a housing, shutters controlling an air outlet of the housing, hingemeans upon which the shutters are so mounted .as to gravitate to the closed position, a fan in the housing driving an air blast toward the outlet to hold the shutters open, deflectors Within the housing preventing air from getting behind the shutters, and means on the dellectors behind which the shutters engage to limit the opening movement to less than the perpendicuopening in the facing plate to drive an air" Lasaese blast toward an exhaust opening in the opposite end of the housing, depressions along the sides of said last opening, rods situated in said depressions, shutters hinged upon said rods to open by air blast and close by gravity, shoulders formed by said depressions to'limit the closing movement of the shutters, and combined deflector and stop means to both prevent the entrance of air behind the shutters and limit the opening movement thereof.
- a ventilator comprising a housing, a fan for driving a blast of air therethrough, depressions in thev housin providing stop shoulders, shutters pivote at said depressions having the ends movable toward and limited by engagement with the shoulders, and weights so mountedupon said ends as to enter the depressions and clear the shoulders when the shutters are closed.
- a ventilator comprising a housing through which an air blast is conducted, shutters pivoted inparallelism at one en'd of the housing to constrict the air passage When open, and deflectors at which the constriction of the air passage commences, said dele'ctors then Serving as stops for the shutters.
Description
April 7,'1925.
J. .EL CSBUN CEILING vEN'lr'ILAToR Filed Feb.
/NVENTR lll JSE, 065mm TTORNEYS l Figure 3- is a detail section showing the i vPatented A'pr. 7, 19.25..Av
" UNITED STAT JUSTIN EDWARD OSB'UN, 0F RIVERSIDE, CALIFORNIA.
mananaV VENTILATOR.
. Application filed February .i To all cuhom it cof/wem:
Be it known that I, JUSTINE. OsBUN, a-
.v citizen of the United States, and a resident of Riverside, in the county of Riverside and State of California, have invented certain new and useful Improvements in Ceiling Ventilators, of which the following is a' specification.
My invention relates to improvements in ventilators, and 1t conslsts of the construcv tions, combinations and arrangements herein described and claimed.
An object of the inventionis to provide a simple but eiiicient ventilator adaptable for-use in kitchens, rooms and elseWhere,-it being readily set and fastened against a ceiling' for these purposes. v
A further object of the invention is yto place the shutters in such position that they will open by the force of the air exhausted by the fan and close when the fan is stopped.
Other objects and. advantages appear. in
lines) the following specification, reference being had to the accom anyin'g drawing in which:
Figure 1l is' a ventilator `showing the shutters open (ull while the fan-,is in operation, Figure 2 jisa` horizontal section on the line 2-2of Figure 1,
' .hinge-mounting and associated parts.'
v One of the functions of the improved ventilator is to exhaust the steam and heat laden airof kitchens, but the ventilator -is not Vgettin behind the small ends oftheshut-- limited tothis use2 it being applicable to any ters. he delectorsrun the same wayas-th place whence a circulation of air isfound desirable. For the purpose of readily fixing the ventilator in the The face plate 1lis part of a .square vbox 4 which is concealed above the ceiling and constitutes the housing ofthe motor 5. The
s iv es of v I A pair otshutters 9 and 10 are hingfi upon .rods 11 and 12 respectively at the dut- `let 13 vof the housing in positions parallel to each otherso that upon closing the edges of .the shutters will meet and v,so close the ongitudinal section of the' may open more readily.
2i', 1924. serialA No. 694,298.
aopening'.
and open by the force of the air discharged bythe fan 6. and they remain thus supported as long as the motor 5 .keeps going.
As soon as the motor stops the shutters, lacking'the support of the' air blast, will fall to the closed position. For this purpose, the hinge bearings 14 and 15` well to one side ofeach shutter so that` the outerl ends are slightly the heaviest. The .inner ends of the shutters are weighted at 16 and 17 to 'furnish a necessary amount of counter balance. A p
The hinge bearings 14 and 15 are situated at the sides of the respective shutters as shown in Figure 2.; The 12 extend across the housing being suitably supported in the sides, particularly .1n shallow depressions 18,;.and 19. housin .4', the ends resslons. l
shutters and ing. Each flan e are co-extensive with tlejhous deiector has an -upstaud 24 which stops the upward movementl- The shutters are pressedv L)ward hinge rods 11 and and These are formed out of the top-cffthef and vthe ends of the housingare' prOper y shaped to close the ends;tig/gehe" de-l of t e respective shutters and prevents it' from reaching the perpendicular position.
The electric w1re25 may lead from the'motor 5 to the sourcev of current in any convenient manner, the drawing merely suggest'- ingone way in which it may be done.
the shutters 9 and 10 occupy the closed ositions shown in` dotted. lines. The shu ders 2O and 21 provide stops for thepends ont the The operatlon may be readily understood from the followingvdescripticn. Normally` 'shuttersfsothat theycan l close no farther v than -sh( vv11'. The resulting sloping position vof the' shutters makes it easier to open them when thetair 'blaststarts l /Upon starting the .motor .I5 the air will force the shutters, tothe open position where they remain as long as a current of air passes through. The flanges 24 limit the opening movement of the shutters, and the deectors 22 and 23 of Which the flanges are a part, prevent air from entering behind the shutters.
While the construction'and arrangement of the improved ventilator herein described and claimed is that of a generally preferred form, obviously modifications and changes may be made Without departing from the spirit of thefinve'ntion or scope of the claims.
1. A ventilator comprising a housing, shutters controlling an air outlet of the housing, hingemeans upon which the shutters are so mounted .as to gravitate to the closed position, a fan in the housing driving an air blast toward the outlet to hold the shutters open, deflectors Within the housing preventing air from getting behind the shutters, and means on the dellectors behind which the shutters engage to limit the opening movement to less than the perpendicuopening in the facing plate to drive an air" Lasaese blast toward an exhaust opening in the opposite end of the housing, depressions along the sides of said last opening, rods situated in said depressions, shutters hinged upon said rods to open by air blast and close by gravity, shoulders formed by said depressions to'limit the closing movement of the shutters, and combined deflector and stop means to both prevent the entrance of air behind the shutters and limit the opening movement thereof.
` 3. A ventilator comprising a housing, a fan for driving a blast of air therethrough, depressions in thev housin providing stop shoulders, shutters pivote at said depressions having the ends movable toward and limited by engagement with the shoulders, and weights so mountedupon said ends as to enter the depressions and clear the shoulders when the shutters are closed.
JUSTIN univ/inn osBuN
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US694298A US1532635A (en) | 1924-02-21 | 1924-02-21 | Ceiling ventilator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US694298A US1532635A (en) | 1924-02-21 | 1924-02-21 | Ceiling ventilator |
Publications (1)
Publication Number | Publication Date |
---|---|
US1532635A true US1532635A (en) | 1925-04-07 |
Family
ID=24788230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US694298A Expired - Lifetime US1532635A (en) | 1924-02-21 | 1924-02-21 | Ceiling ventilator |
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Cited By (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2421838A (en) * | 1945-05-09 | 1947-06-10 | Waterloo Foundry Company | Closure for exhaust pipes |
US2439271A (en) * | 1942-05-14 | 1948-04-06 | James B Shaver | Ventilator |
US2489446A (en) * | 1946-07-19 | 1949-11-29 | Adolph T M Biancani | Ventilator |
US2492242A (en) * | 1943-08-28 | 1949-12-27 | James B Shaver | Ventilating apparatus |
US2494016A (en) * | 1945-03-29 | 1950-01-10 | Taylor Charles Ralph | Exhaust pipe end cover |
US2508615A (en) * | 1946-04-22 | 1950-05-23 | Adolph F Lukes | Exhaust valve for internal-combustion engines |
US2551004A (en) * | 1947-11-06 | 1951-05-01 | Swartwout Co | Ventilator |
US2641987A (en) * | 1951-02-09 | 1953-06-16 | Joseph N Burgan | Ventilator |
US2676530A (en) * | 1947-12-18 | 1954-04-27 | Samuel M Bernstein | Exhaust fan |
US2684621A (en) * | 1952-12-05 | 1954-07-27 | Loren Cook Company | Attic ventilator |
US3216343A (en) * | 1963-08-05 | 1965-11-09 | Farr Co | Exhaust cap |
US3334569A (en) * | 1963-11-27 | 1967-08-08 | Colt Ventilation & Heating Ltd | Ventilators |
DE1604145B1 (en) * | 1964-04-13 | 1971-02-18 | Colt Ventilation And Heating L | Roof ventilation device |
US4406216A (en) * | 1981-05-08 | 1983-09-27 | Philips Industries, Inc. | Ventilator device and mounting arrangement therefor |
US4510851A (en) * | 1981-11-24 | 1985-04-16 | Broan Mfg. Co., Inc. | Ventilation fan |
US4594940A (en) * | 1984-03-05 | 1986-06-17 | Broan Mfg. Co., Inc. | Fan for ventilation |
US4596180A (en) * | 1981-03-26 | 1986-06-24 | Emerson Electric Co. | Whole house fan |
US4648007A (en) * | 1985-10-28 | 1987-03-03 | Gte Communications Systems Corporation | Cooling module for electronic equipment |
US4784049A (en) * | 1981-03-26 | 1988-11-15 | Emerson Electric Co. | Whole house fan |
US5793610A (en) * | 1996-01-25 | 1998-08-11 | Dell Usa, L.P. | Multi-position air regulation device |
US6042348A (en) * | 1998-05-11 | 2000-03-28 | Lucent Technologies Inc. | Protective shutter assembly for a forced air cooling system |
US6802770B2 (en) | 1999-12-18 | 2004-10-12 | Broan-Nutone Llc | Ventilating exhaust fan |
US20050111972A1 (en) * | 2003-11-21 | 2005-05-26 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US20050111840A1 (en) * | 2003-11-21 | 2005-05-26 | Craw Gary J. | Ventilating and heating apparatus and method |
US20050218289A1 (en) * | 2004-04-02 | 2005-10-06 | Penlesky Robert G | Fan mounting spacer assembly and method |
GB2443085A (en) * | 2006-10-19 | 2008-04-23 | John Stuart Hurst | Apparatus for fitting to an outlet of a ventilation shaft |
US20090130970A1 (en) * | 2007-11-21 | 2009-05-21 | Corey Scott Jacak | Exhaust fan and method of operating the same |
USD618782S1 (en) | 2009-12-22 | 2010-06-29 | Broan-Nutone, Llc | Grille |
USD635238S1 (en) | 2009-07-14 | 2011-03-29 | Broan-Nutone Llc | Ventilation grille |
USD745652S1 (en) | 2014-01-28 | 2015-12-15 | Homewerks Worldwide, LLC | Fan grille |
USD752199S1 (en) | 2014-09-22 | 2016-03-22 | Homewerks Worldwide, LLC | Bath fan with speaker |
USD752202S1 (en) | 2013-08-08 | 2016-03-22 | Homewerks Worldwide, LLC | Fan grille |
US9344787B2 (en) | 2012-12-22 | 2016-05-17 | Homewerks Worldwide, LLC | Audio equipped fan |
USD759800S1 (en) | 2008-01-02 | 2016-06-21 | Broan-Nutone Llc | Grille |
US9398357B2 (en) | 2012-12-22 | 2016-07-19 | Homewerks Worldwide, LLC | Audio equipped fan |
US9609407B2 (en) | 2012-12-22 | 2017-03-28 | Homewerks Worldwide, LLC | Method of manufacturing an audio equipped fan assembly |
US20170314563A1 (en) * | 2016-04-29 | 2017-11-02 | Lamps Plus, Inc. | Recessed motor ceiling fan |
USD804627S1 (en) | 2015-05-19 | 2017-12-05 | Broan-Nutone Llc | Vent hood |
USD808001S1 (en) | 2016-03-14 | 2018-01-16 | Homewerks Worldwide, LLC | Square fan grille |
USD815724S1 (en) | 2015-09-14 | 2018-04-17 | Broan-Nutone Llc | Ventilation grill |
USD816206S1 (en) | 2015-09-14 | 2018-04-24 | Broan-Nutone Llc | Ventilation grill |
USD820428S1 (en) | 2013-06-20 | 2018-06-12 | Broan-Nutone Llc | Range hood |
USD822821S1 (en) | 2015-09-14 | 2018-07-10 | Broan-Nutone, Llc | Ventilation grill |
USD826391S1 (en) | 2015-05-19 | 2018-08-21 | Broan-Nutone Llc | Vent hood |
USD836765S1 (en) | 2015-08-31 | 2018-12-25 | Broan-Nutone Llc | Vent hood |
USD850601S1 (en) | 2014-05-01 | 2019-06-04 | Broan-Nutone Llc | Grill element |
USD858734S1 (en) | 2015-05-19 | 2019-09-03 | Broan-Nutone Llc | Vent hood |
USD861639S1 (en) | 2015-10-06 | 2019-10-01 | Broan-Nutone Llc | Wireless speaker |
USD881375S1 (en) | 2018-05-22 | 2020-04-14 | Broan-Nutone Llc | Grille assembly for a bathroom ventilation fan |
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-
1924
- 1924-02-21 US US694298A patent/US1532635A/en not_active Expired - Lifetime
Cited By (80)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439271A (en) * | 1942-05-14 | 1948-04-06 | James B Shaver | Ventilator |
US2492242A (en) * | 1943-08-28 | 1949-12-27 | James B Shaver | Ventilating apparatus |
US2494016A (en) * | 1945-03-29 | 1950-01-10 | Taylor Charles Ralph | Exhaust pipe end cover |
US2421838A (en) * | 1945-05-09 | 1947-06-10 | Waterloo Foundry Company | Closure for exhaust pipes |
US2508615A (en) * | 1946-04-22 | 1950-05-23 | Adolph F Lukes | Exhaust valve for internal-combustion engines |
US2489446A (en) * | 1946-07-19 | 1949-11-29 | Adolph T M Biancani | Ventilator |
US2551004A (en) * | 1947-11-06 | 1951-05-01 | Swartwout Co | Ventilator |
US2676530A (en) * | 1947-12-18 | 1954-04-27 | Samuel M Bernstein | Exhaust fan |
US2641987A (en) * | 1951-02-09 | 1953-06-16 | Joseph N Burgan | Ventilator |
US2684621A (en) * | 1952-12-05 | 1954-07-27 | Loren Cook Company | Attic ventilator |
US3216343A (en) * | 1963-08-05 | 1965-11-09 | Farr Co | Exhaust cap |
US3334569A (en) * | 1963-11-27 | 1967-08-08 | Colt Ventilation & Heating Ltd | Ventilators |
DE1604145B1 (en) * | 1964-04-13 | 1971-02-18 | Colt Ventilation And Heating L | Roof ventilation device |
US4784049A (en) * | 1981-03-26 | 1988-11-15 | Emerson Electric Co. | Whole house fan |
US4596180A (en) * | 1981-03-26 | 1986-06-24 | Emerson Electric Co. | Whole house fan |
US4406216A (en) * | 1981-05-08 | 1983-09-27 | Philips Industries, Inc. | Ventilator device and mounting arrangement therefor |
US4510851A (en) * | 1981-11-24 | 1985-04-16 | Broan Mfg. Co., Inc. | Ventilation fan |
US4594940A (en) * | 1984-03-05 | 1986-06-17 | Broan Mfg. Co., Inc. | Fan for ventilation |
US4648007A (en) * | 1985-10-28 | 1987-03-03 | Gte Communications Systems Corporation | Cooling module for electronic equipment |
US5793610A (en) * | 1996-01-25 | 1998-08-11 | Dell Usa, L.P. | Multi-position air regulation device |
US6042348A (en) * | 1998-05-11 | 2000-03-28 | Lucent Technologies Inc. | Protective shutter assembly for a forced air cooling system |
US6802770B2 (en) | 1999-12-18 | 2004-10-12 | Broan-Nutone Llc | Ventilating exhaust fan |
US7203416B2 (en) | 2003-11-21 | 2007-04-10 | Broan-Nutone Llc | Ventilating and heating apparatus with heater shielded by tapered discharge duct |
US20050111972A1 (en) * | 2003-11-21 | 2005-05-26 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US7455500B2 (en) | 2003-11-21 | 2008-11-25 | Broan-Nu Tone Llc | Modular ventilating exhaust fan assembly and method |
US6979169B2 (en) | 2003-11-21 | 2005-12-27 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US20060073008A1 (en) * | 2003-11-21 | 2006-04-06 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US20050111840A1 (en) * | 2003-11-21 | 2005-05-26 | Craw Gary J. | Ventilating and heating apparatus and method |
US20070040091A1 (en) * | 2004-04-02 | 2007-02-22 | Broan-Nutone Llc. | Fan mounting spacer assembly and method |
US7128303B2 (en) | 2004-04-02 | 2006-10-31 | Broan-Nu Tone Llc | Fan mounting spacer assembly |
US20050218289A1 (en) * | 2004-04-02 | 2005-10-06 | Penlesky Robert G | Fan mounting spacer assembly and method |
GB2443085A (en) * | 2006-10-19 | 2008-04-23 | John Stuart Hurst | Apparatus for fitting to an outlet of a ventilation shaft |
US20090130970A1 (en) * | 2007-11-21 | 2009-05-21 | Corey Scott Jacak | Exhaust fan and method of operating the same |
USD837966S1 (en) | 2008-01-02 | 2019-01-08 | Broan-Nutone Llc | Grille |
USD759800S1 (en) | 2008-01-02 | 2016-06-21 | Broan-Nutone Llc | Grille |
USD635238S1 (en) | 2009-07-14 | 2011-03-29 | Broan-Nutone Llc | Ventilation grille |
USD618782S1 (en) | 2009-12-22 | 2010-06-29 | Broan-Nutone, Llc | Grille |
US9398357B2 (en) | 2012-12-22 | 2016-07-19 | Homewerks Worldwide, LLC | Audio equipped fan |
US9609407B2 (en) | 2012-12-22 | 2017-03-28 | Homewerks Worldwide, LLC | Method of manufacturing an audio equipped fan assembly |
US9344787B2 (en) | 2012-12-22 | 2016-05-17 | Homewerks Worldwide, LLC | Audio equipped fan |
USD820428S1 (en) | 2013-06-20 | 2018-06-12 | Broan-Nutone Llc | Range hood |
USD752202S1 (en) | 2013-08-08 | 2016-03-22 | Homewerks Worldwide, LLC | Fan grille |
USD745652S1 (en) | 2014-01-28 | 2015-12-15 | Homewerks Worldwide, LLC | Fan grille |
USD850601S1 (en) | 2014-05-01 | 2019-06-04 | Broan-Nutone Llc | Grill element |
USD752199S1 (en) | 2014-09-22 | 2016-03-22 | Homewerks Worldwide, LLC | Bath fan with speaker |
USD826391S1 (en) | 2015-05-19 | 2018-08-21 | Broan-Nutone Llc | Vent hood |
USD804627S1 (en) | 2015-05-19 | 2017-12-05 | Broan-Nutone Llc | Vent hood |
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USD861639S1 (en) | 2015-10-06 | 2019-10-01 | Broan-Nutone Llc | Wireless speaker |
USD808001S1 (en) | 2016-03-14 | 2018-01-16 | Homewerks Worldwide, LLC | Square fan grille |
US20170314563A1 (en) * | 2016-04-29 | 2017-11-02 | Lamps Plus, Inc. | Recessed motor ceiling fan |
US10138896B2 (en) * | 2016-04-29 | 2018-11-27 | Lamps Plus, Inc. | Recessed motor ceiling fan |
USD895783S1 (en) | 2018-05-22 | 2020-09-08 | Broan-Nutone Llc | Grille assembly for a bathroom ventilation fan |
USD881375S1 (en) | 2018-05-22 | 2020-04-14 | Broan-Nutone Llc | Grille assembly for a bathroom ventilation fan |
USD943730S1 (en) | 2018-11-28 | 2022-02-15 | Broan-Nutone Llc | Ventilation grille |
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USD899582S1 (en) | 2019-01-22 | 2020-10-20 | Broan-Nutone Llc | Ventilation grille |
USD898896S1 (en) | 2019-01-22 | 2020-10-13 | Broan-Nutone Llc | Ventilation grille |
US11300305B2 (en) | 2019-02-15 | 2022-04-12 | Broan-Nutone Llc | Grille attachment feature for a ventilation system |
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USD933194S1 (en) | 2019-06-24 | 2021-10-12 | Homewerks Worldwide, LLC | Fan grille |
USD932611S1 (en) | 2019-06-24 | 2021-10-05 | Homewerks Worldwide, LLC | Fan grille |
USD932612S1 (en) | 2019-11-26 | 2021-10-05 | Homewerks Worldwide, LLC | Fan grille |
USD933195S1 (en) | 2019-11-26 | 2021-10-12 | Homewerks Worldwide, LLC | Fan grille |
USD933809S1 (en) | 2019-11-26 | 2021-10-19 | Homewerks Worldwide, LLC | Fan grille |
USD948025S1 (en) | 2019-11-26 | 2022-04-05 | Homewerks Worldwide, LLC | Fan grille |
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