Inventor · disambiguated record
James S. Petrek
Also filed as: PETREK JAMES · PETREK JAMES S
45 granted patents·5 pending applications·1,869 citations·filing 1980–2020
99Inventor score
Files withRAININ INSTR CO INC19RAININ INSTR LLC19METTLER TOLEDO RAININ LLC7PETREK JAMES S2ANDROS INC1
Top patents by PatentIndex Score
50 records- 0195US8524170B2Pipette and sealing tipPETREK JAMES S·Filed 2011·Granted Sep 3, 2013·34 cites·9 claims
- 0292US6568288B2Pipette with improved pipette tip and mounting shaftRAININ INSTR LLC·Filed 2001·Granted May 27, 2003·46 cites·14 claims
- 0392USD439986SPipette tipRAININ INSTR CO INC·Filed 2000·Granted Apr 3, 2001·31 cites·1 claims
- 0491USD461904SPipette tipRAININ INSTR LLC·Filed 2001·Granted Aug 20, 2002·42 cites·1 claims
- 0590US7726212B2Hybrid manual-electronic pipetteRAININ INSTR LLC·Filed 2007·Granted Jun 1, 2010·16 cites·12 claims
- 0690US6428750B1Volume adjustable manual pipette with quick set volume adjustmentRAININ INSTR LLC·Filed 2000·Granted Aug 6, 2002·93 cites·17 claims
- 0790USD448853SPipette tipRAININ INSTR CO INC·Filed 2000·Granted Oct 2, 2001·29 cites·1 claims
- 0890US4384829APump and actuator mechanismANDROS INC·Filed 1980·Granted May 24, 1983·57 cites·23 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
- 1187US6737023B1Pipette with improved pipette tip mounting shaftRAININ INSTR LLC·Filed 2000·Granted May 18, 2004·57 cites·1 claims
- 1286US9221046B2Air displacement pipette with enhanced blowoutRAININ INSTR LLC·Filed 2014·Granted Dec 29, 2015·9 cites·22 claims
- 1386US6967004B2Pipette with improved pipette tip and mounting shaftRAININ INSTR LLC·Filed 2001·Granted Nov 22, 2005·61 cites·17 claims
- 1486USD426643SManual pipetteRAININ INSTR CO INC·Filed 1999·Granted Jun 13, 2000·29 cites·1 claims
- 1586US5392914ARefill pack for pipette tip racksRAININ INSTR CO INC·Filed 1993·Granted Feb 28, 1995·153 cites·22 claims
- 1685US6745636B2Pipette with improved pipette tip and mounting shaftRAININ INSTR LLC·Filed 2003·Granted Jun 8, 2004·44 cites·3 claims
- 1783US8397593B2Quick-set pipette with damped plungerPETREK JAMES S·Filed 2009·Granted Mar 19, 2013·15 cites·15 claims
- 1882US9858729B2Pipette check stationMETTLER-TOLEDO RAININ LLC·Filed 2015·Granted Jan 2, 2018·2 cites·22 claims
- 1982US7770475B2Hybrid manual-electronic pipetteRAININ INSTR LLC·Filed 2007·Granted Aug 10, 2010·9 cites·28 claims
- 2082US6286678B1Refill 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
- 2182USD441458SPipette tipRAININ INSTR CO INC·Filed 2000·Granted May 1, 2001·17 cites·1 claims
- 2281US7819030B2Hybrid manual-electronic pipetteRAININ INSTR LLC·Filed 2007·Granted Oct 26, 2010·5 cites·43 claims
- 2381US7175813B2Volume adjustable manual pipette with quick set volume adjustmentRAININ INSTR LLC·Filed 2003·Granted Feb 13, 2007·36 cites·12 claims
- 2481US5441702ARefill pack for pipette tip racksRAININ INSTR CO INC·Filed 1993·Granted Aug 15, 1995·99 cites·29 claims
- 2579USD446864SPipette tipRAININ INSTR CO INC·Filed 2001·Granted Aug 21, 2001·15 cites·1 claims
- 2678USD437940SPipette tipRAININ INSTR CO INC·Filed 1999·Granted Feb 20, 2001·13 cites·1 claims
- 2778US6168761B1Pipette with improved pipette tip and mounting shaftRAININ INSTR CO INC·Filed 1998·Granted Jan 2, 2001·89 cites·14 claims
- 2876US10744498B2Pipette quickset volume adjustment mechanismMETTLER-TOLEDO RAININ LLC·Filed 2017·Granted Aug 18, 2020·1 cites·32 claims
- 2976US7788986B2Hybrid manual-electronic pipetteRAININ INSTR LLC·Filed 2007·Granted Sep 7, 2010·4 cites·56 claims
- 3075US6171553B1Pipette with improved pipette tip and mounting shaftRAININ INSTR CO INC·Filed 1999·Granted Jan 9, 2001·78 cites·6 claims
- 3173US6197259B1Easy eject pipette tipRAININ INSTR CO INC·Filed 1998·Granted Mar 6, 2001·101 cites·5 claims
- 3273US5779984APipette tip rack and refill pack containing large maximized volume freely nestable pipette tipsRAININ INTSTRUMENTAL CO INC·Filed 1996·Granted Jul 14, 1998·112 cites·43 claims
- 3372USD426642SElectronic pipetteRAININ INSTR CO INC·Filed 1999·Granted Jun 13, 2000·16 cites·1 claims
- 3471US10751712B2Pipette quickset volume adjustment mechanismMETTLER-TOLEDO RAININ LLC·Filed 2017·Granted Aug 25, 2020·1 cites·29 claims
- 3570US6645433B2Ergonomic return springless manual air displacement pipetteRAININ INSTR LLC·Filed 2002·Granted Nov 11, 2003·11 cites·3 claims
- 3667US6248295B1Pipette with improved pipette tip and mounting shaft combinationRAININ INSTR CO INC·Filed 1999·Granted Jun 19, 2001·68 cites·11 claims
- 3767US4457673APump and actuator mechanismNOVACOR MEDICAL CORP·Filed 1982·Granted Jul 3, 1984·93 cites·7 claims
- 3865USD468832SPipette tipRAININ INSTR LLC·Filed 2001·Granted Jan 14, 2003·13 cites·1 claims
- 3965US6299841B1Bilaterally symmetrical battery powered microprocessor controlled lightweight hand-holdable electronic pipetteRAININ INSTR CO INC·Filed 1999·Granted Oct 9, 2001·58 cites·7 claims
- 4061USD468440SPipette tipRAININ INSTR LLC·Filed 2001·Granted Jan 7, 2003·11 cites·1 claims
- 4161US2016271603A1Two-piece sealing pipette tipRAININ INSTR LLC·Filed 2016·Application pending·0 cites
- 4257US10380807B2Pipette check systemMETTLER TOLEDO RAININ LLC·Filed 2018·Granted Aug 13, 2019·0 cites·9 claims
- 4357US2013312545A1Pipette and sealing tipRAININ INSTR LLC·Filed 2013·Application pending·0 cites
- 4456US2022008909A1Pipette and pipette tipMETTLER TOLEDO RAININ LLC·Filed 2020·Application pending·0 cites
- 4555US11007517B2Sub-one microliter pipetteMETTLER TOLEDO RAININ LLC·Filed 2017·Granted May 18, 2021·0 cites·33 claims
- 4652US10471422B2Home position locating mechanism for manual pipette and manual pipette equipped with sameMETTLER TOLEDO RAININ LLC·Filed 2017·Granted Nov 12, 2019·0 cites·23 claims
- 4752US5807524APipette tip with pipette surface contamination protectorRAININ INSTR CO INC·Filed 1996·Granted Sep 15, 1998·35 cites·8 claims
- 4851US2010199789A1Hybrid manual-electronic pipetteRAININ INSTR LLC·Filed 2010·Application pending·0 cites
- 4948USD468024SPipette tipRAININ INSTR LLC·Filed 2001·Granted Dec 31, 2002·6 cites·1 claims
- 5047US2001055547A1Bilaterally symmetrical battery powered microprocessor controlled lightweight hand-holdable electronic pipetteRAININ INSTR CO INC·Filed 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →