CA1034090A - Hand-held micropipettor with improved pipette tip ejector - Google Patents

Hand-held micropipettor with improved pipette tip ejector

Info

Publication number
CA1034090A
CA1034090A CA266,475A CA266475A CA1034090A CA 1034090 A CA1034090 A CA 1034090A CA 266475 A CA266475 A CA 266475A CA 1034090 A CA1034090 A CA 1034090A
Authority
CA
Canada
Prior art keywords
hand
pipette tip
tip ejector
improved pipette
micropipettor
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
Application number
CA266,475A
Other languages
French (fr)
Inventor
George W. Koffer
Doud R. Branham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oxford Laboratories Inc
Original Assignee
Oxford Laboratories Inc
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 Oxford Laboratories Inc filed Critical Oxford Laboratories Inc
Application granted granted Critical
Publication of CA1034090A publication Critical patent/CA1034090A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0275—Interchangeable or disposable dispensing tips
    • B01L3/0279—Interchangeable or disposable dispensing tips co-operating with positive ejection means
CA266,475A 1976-05-13 1976-11-24 Hand-held micropipettor with improved pipette tip ejector Expired CA1034090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/686,240 US4009611A (en) 1976-05-13 1976-05-13 Hand-held micropipettor with improved pipette tip ejector

Publications (1)

Publication Number Publication Date
CA1034090A true CA1034090A (en) 1978-07-04

Family

ID=24755512

Family Applications (1)

Application Number Title Priority Date Filing Date
CA266,475A Expired CA1034090A (en) 1976-05-13 1976-11-24 Hand-held micropipettor with improved pipette tip ejector

Country Status (2)

Country Link
US (1) US4009611A (en)
CA (1) CA1034090A (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2287941A1 (en) * 1974-10-15 1976-05-14 Marteau D Autry Eric DEVICE FOR EJECTING THE REMOVABLE TIP OF A PIPETTE
FI57540C (en) * 1977-02-17 1980-09-10 Suovaniemi Finnpipette ANORDNING FOER ATT LOESGOERA OCH AVLAEGSNA EN ENGAONGSSPETS PAO EN PIPETT
GB1597336A (en) * 1977-06-15 1981-09-03 Sherwood Medical Ind Inc Micropipettors
US4418580A (en) * 1981-10-13 1983-12-06 Sherwood Medical Company Pipettor mechanism and disposable tip and piston assembly
US4599220A (en) * 1982-02-16 1986-07-08 Yonkers Edward H Multi-channel pipetter
US4442722A (en) * 1982-02-23 1984-04-17 Beckman Instruments Inc. Plunger operated pipet
GB2127542B (en) * 1982-09-20 1986-05-08 V Tech Inc Apparatus and method for obtaining reproducible liquid samples of small volume
DE3662650D1 (en) * 1985-01-29 1989-05-11 Fuji Photo Film Co Ltd Duplex pipette
US4801434A (en) * 1985-12-06 1989-01-31 Fuji Photo Film Co., Ltd. Dual pipette device
US4779467A (en) * 1987-01-28 1988-10-25 Rainin Instrument Co., Inc. Liquid-end assembly for multichannel air-displacement pipette
PL155157B1 (en) * 1988-04-15 1991-10-31 Przedsiebiorstwo Polonijno Zagraniczne Plastomed Simple pipette
US4852620A (en) * 1988-04-20 1989-08-01 Eastman Kodak Company Pipette with inverted bellows
US5104624A (en) * 1989-10-20 1992-04-14 Costar Corporation Pipetter
US5272926A (en) * 1991-11-13 1993-12-28 Wilkins Judd R Microbial retrieval and sampling pipette with a removable cover
DE4141608C2 (en) * 1991-12-17 1993-12-02 Eppendorf Geraetebau Netheler Pipetting device
FI921647A0 (en) * 1992-04-13 1992-04-13 Labsystems Oy SPETSDELPIPETT.
US5440940A (en) * 1994-03-18 1995-08-15 Wilkins; Judd R. Pipette-syringe-tubular microbial retrieval and sampler
US5614153A (en) * 1995-05-26 1997-03-25 Rainin Instrument Co., Inc. Pipette tip ejector
US6170343B1 (en) 1996-09-09 2001-01-09 Tyco Group S.A.R.L. Electronically monitored mechanical pipette
US5998218A (en) * 1996-09-09 1999-12-07 Sherwood Services Ag Calibration system for an electronically monitored mechanical pipette
US6019004A (en) * 1996-09-10 2000-02-01 Sherwood Services, Ag Detachable pipette barrel
WO1998011988A1 (en) * 1996-09-19 1998-03-26 Bel-Art Products, Inc. Pipettor tip ejection
US5892161A (en) * 1997-09-09 1999-04-06 Tyco Group S.A.R.L. Transducer assembly for an electronically monitored mechanical pipette
ATE249885T1 (en) * 1999-05-18 2003-10-15 Socorex Isba S A PIPETTE WITH DEVICE FOR EJECTING PIPETTE TIPS
FR2807340B1 (en) * 2000-04-07 2002-12-06 Gilson Sa PIPETTE FOR TAKING LIQUID SAMPLES WITH CONE EJECTOR MECHANISM
FR2807345B1 (en) * 2000-04-07 2002-07-12 Gilson Sa SIMPLIFIED DISASSEMBLY PIPETTE
FR2807341B1 (en) * 2000-04-07 2002-07-12 Gilson Sa PIPETTE FOR COLLECTING LIQUID SAMPLES WITH REMOVABLE EJECTOR
FR2807342B1 (en) * 2000-04-07 2002-07-12 Gilson Sa CONCEAL EJECTOR PIPETTE
FR2807343B1 (en) * 2000-04-07 2002-12-06 Gilson Sa COLLECTION PIPETTE PROVIDED WITH MEANS FOR ADJUSTING THE VOLUME TO BE COLLECTED
WO2003033151A1 (en) * 2001-10-16 2003-04-24 Matrix Technologies Corporation Hand-held pipettor
US7284454B2 (en) * 2004-05-27 2007-10-23 Matrix Technologies Corporation Hand held pipette
US20060027033A1 (en) * 2002-10-16 2006-02-09 Richard Cote Hand-held pipette employing voice recognition control
DE102004003433B4 (en) * 2004-01-21 2006-03-23 Eppendorf Ag Pipetting device with a discharge device for pipette tips
US20090071267A1 (en) * 2007-09-17 2009-03-19 Greg Mathus Pipette tip ejection mechanism
US8007741B1 (en) * 2008-07-08 2011-08-30 Scigene Corporation Pipetting head with plate gripper
FR3040896B1 (en) * 2015-09-15 2017-10-13 Gilson Sas PRESSURE PIPETTE COMPRISING A DOUBLE-FUNCTION CONTROL MEMBER FOR CONE EJECTION AND UNLOCKING OF THE VOLUME ADJUSTMENT SYSTEM

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766785A (en) * 1971-05-17 1973-10-23 Analytical Prod Automatic pipette
US3853012A (en) * 1971-10-04 1974-12-10 Medical Laboratory Automation Pipettes
DE2319175A1 (en) * 1973-04-16 1974-10-31 Oxford Lab DETAIL PISTON PIPETTE

Also Published As

Publication number Publication date
US4009611A (en) 1977-03-01

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