Assignee
RAININ INSTR CO INC
US·48 granted patents·1 pending application·3,039 citations·filing 1981–2001
Top patents by PatentIndex Score
49 records- 0198USD271239SContainer and rack for pipette tips or similar articleRAININ INSTR CO INC·Filed 1981·Granted Nov 1, 1983·98 cites·1 claims
- 0295US4671123AMethods and apparatus for pipetting and/or titrating liquids using a hand held self-contained automated pipetteRAININ INSTR CO INC·Filed 1984·Granted Jun 9, 1987·102 cites·24 claims
- 0394US4905526APortable automated pipette for accurately pipetting and/or titrating liquidsRAININ INSTR CO INC·Filed 1987·Granted Mar 6, 1990·100 cites·11 claims
- 0493US6254832B1Battery powered microprocessor controlled hand portable electronic pipetteRAININ INSTR CO INC·Filed 1999·Granted Jul 3, 2001·130 cites·39 claims
- 0592USD439986SPipette tipRAININ INSTR CO INC·Filed 2000·Granted Apr 3, 2001·31 cites·1 claims
- 0692US4779467ALiquid-end assembly for multichannel air-displacement pipetteRAININ INSTR CO INC·Filed 1987·Granted Oct 25, 1988·129 cites·8 claims
- 0792US4616514AReplaceable tip assembly for pipetteRAININ INSTR CO INC·Filed 1985·Granted Oct 14, 1986·71 cites·26 claims
- 0890USD448853SPipette tipRAININ INSTR CO INC·Filed 2000·Granted Oct 2, 2001·29 cites·1 claims
- 0989US6045757AMembrane filter pipette tipRAININ INSTR CO INC·Filed 1997·Granted Apr 4, 2000·100 cites·2 claims
- 1088USD438981SPipette tipRAININ INSTR CO INC·Filed 2000·Granted Mar 13, 2001·24 cites·1 claims
- 1187US4748859ADisposable pipette tipRAININ INSTR CO INC·Filed 1987·Granted Jun 7, 1988·131 cites·9 claims
- 1286USD426643SManual pipetteRAININ INSTR CO INC·Filed 1999·Granted Jun 13, 2000·29 cites·1 claims
- 1386US5392914ARefill pack for pipette tip racksRAININ INSTR CO INC·Filed 1993·Granted Feb 28, 1995·153 cites·22 claims
- 1483US5187990AMethod for dispensing liquids with a pipette with compensation for air pressure and surface tensionRAININ INSTR CO INC·Filed 1992·Granted Feb 23, 1993·137 cites·43 claims
- 1582US6286678B1Refill pack for pipette tip racks and improved pipette tip support plate for use in such packs and racksRAININ INSTR CO INC·Filed 1999·Granted Sep 11, 2001·136 cites·9 claims
- 1682USD441458SPipette tipRAININ INSTR CO INC·Filed 2000·Granted May 1, 2001·17 cites·1 claims
- 1782US4655917AModular liquid chromatography column apparatusRAININ INSTR CO INC·Filed 1985·Granted Apr 7, 1987·50 cites·18 claims
- 1881US5441702ARefill pack for pipette tip racksRAININ INSTR CO INC·Filed 1993·Granted Aug 15, 1995·99 cites·29 claims
- 1980US4839248ASystem and method for depassivating a passivated lithium battery in a battery powered microprocessor controlled deviceRAININ INSTR CO INC·Filed 1988·Granted Jun 13, 1989·42 cites·11 claims
- 2079USD446864SPipette tipRAININ INSTR CO INC·Filed 2001·Granted Aug 21, 2001·15 cites·1 claims
- 2179US4861473AApparatus for facilitating compression of packing material in a liquid chromatography columnRAININ INSTR CO INC·Filed 1988·Granted Aug 29, 1989·43 cites·4 claims
- 2278USD437940SPipette tipRAININ INSTR CO INC·Filed 1999·Granted Feb 20, 2001·13 cites·1 claims
- 2378US6168761B1Pipette with improved pipette tip and mounting shaftRAININ INSTR CO INC·Filed 1998·Granted Jan 2, 2001·89 cites·14 claims
- 2477US4670141AMethod and apparatus for facilitating compression of packing material in a liquid chromatography columnRAININ INSTR CO INC·Filed 1985·Granted Jun 2, 1987·40 cites·20 claims
- 2575US6171553B1Pipette with improved pipette tip and mounting shaftRAININ INSTR CO INC·Filed 1999·Granted Jan 9, 2001·78 cites·6 claims
- 2675US5214593AMethod and apparatus for extending the linear dynamic range of absorbance detectors including multi-lightpath flow cellsRAININ INSTR CO INC·Filed 1990·Granted May 25, 1993·44 cites·18 claims
- 2774US5642816APipette tip rack refill plate hold down apparatusRAININ INSTR CO INC·Filed 1995·Granted Jul 1, 1997·101 cites·17 claims
- 2873US6197259B1Easy eject pipette tipRAININ INSTR CO INC·Filed 1998·Granted Mar 6, 2001·101 cites·5 claims
- 2973US6007779ARefill pack for pipette tip racksRAININ INSTR CO INC·Filed 1997·Granted Dec 28, 1999·103 cites·9 claims
- 3073US4676377AEnclosed pipette tip rackRAININ INSTR CO INC·Filed 1986·Granted Jun 30, 1987·67 cites·14 claims
- 3173US4551249AModular liquid chromatography column apparatusRAININ INSTR CO INC·Filed 1984·Granted Nov 5, 1985·27 cites·16 claims
- 3272USD426642SElectronic pipetteRAININ INSTR CO INC·Filed 1999·Granted Jun 13, 2000·16 cites·1 claims
- 3370US5364596AManual pipette with plunger velocity governor, home position latch and trigger releaseRAININ INSTR CO INC·Filed 1992·Granted Nov 15, 1994·66 cites·19 claims
- 3469US5614153APipette tip ejectorRAININ INSTR CO INC·Filed 1995·Granted Mar 25, 1997·80 cites·13 claims
- 3567US6248295B1Pipette with improved pipette tip and mounting shaft combinationRAININ INSTR CO INC·Filed 1999·Granted Jun 19, 2001·68 cites·11 claims
- 3665US6299841B1Bilaterally symmetrical battery powered microprocessor controlled lightweight hand-holdable electronic pipetteRAININ INSTR CO INC·Filed 1999·Granted Oct 9, 2001·58 cites·7 claims
- 3763US5979675AHanger for supporting a plurality of pipettes adjacent a horizontal support surfaceRAININ INSTR CO INC·Filed 1997·Granted Nov 9, 1999·57 cites·2 claims
- 3862US5849248AAdjustable volume pipette with improved volume adjustment lock mechanismRAININ INSTR CO INC·Filed 1996·Granted Dec 15, 1998·58 cites·4 claims
- 3961US5695165AMulti-mode attachable hanger for pipettesRAININ INSTR CO INC·Filed 1995·Granted Dec 9, 1997·54 cites·4 claims
- 4061US5612000ARefill pack for pipette tip racksRAININ INSTR CO INC·Filed 1995·Granted Mar 18, 1997·50 cites·4 claims
- 4158US5792424AManual pipette with delayed-action home position latchRAININ INSTR CO INC·Filed 1996·Granted Aug 11, 1998·49 cites·18 claims
- 4258US4763535APipette mechanismRAININ INSTR CO INC·Filed 1987·Granted Aug 16, 1988·33 cites·7 claims
- 4356US5700959AManual pipette with magnet assistRAININ INSTR CO INC·Filed 1996·Granted Dec 23, 1997·44 cites·13 claims
- 4452US5807524APipette tip with pipette surface contamination protectorRAININ INSTR CO INC·Filed 1996·Granted Sep 15, 1998·35 cites·8 claims
- 4552US4882062ASolvent mixing chamber for a liquid chromatography systemRAININ INSTR CO INC·Filed 1988·Granted Nov 21, 1989·22 cites·8 claims
- 4647US2001055547A1Bilaterally symmetrical battery powered microprocessor controlled lightweight hand-holdable electronic pipetteRAININ INSTR CO INC·Filed 2001·Application pending·0 cites
- 4742US5148239AHigh performance absorbance detector with flashlamp and compact folded optics systemRAININ INSTR CO INC·Filed 1990·Granted Sep 15, 1992·10 cites·15 claims
- 4838US5062706AHigh pressure fluid sample flow cell with circumferential window edge sealRAININ INSTR CO INC·Filed 1990·Granted Nov 5, 1991·7 cites·7 claims
- 4932US5064287ASample flow cell with circumferentially uniform radial flow pattern at its entrance and/or exit portsRAININ INSTR CO INC·Filed 1990·Granted Nov 12, 1991·3 cites·8 claims
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