Inventor · disambiguated record
William E. Brewer
Also filed as: BREWER WILLIAM · BREWER WILLIAM E · BREWER WILLIAM EDWARD
14 granted patents·5 pending applications·266 citations·filing 1974–2025
92Inventor score
Top patents by PatentIndex Score
19 records- 0192US6566145B2Disposable pipette extractionFiled 2001·Granted May 20, 2003·145 cites·19 claims
- 0283US11567067B2Automated solid phase extraction using filter tipsDPX TECH LLC·Filed 2021·Granted Jan 31, 2023·1 cites·20 claims
- 0377US8715593B2Pipette tips for extraction, sample collection and sample cleanup and methods for their useBREWER WILLIAM·Filed 2008·Granted May 6, 2014·10 cites·9 claims
- 0477US4050950AControlled density fill material containing fly ashKRETE INC K·Filed 1975·Granted Sep 27, 1977·29 cites·11 claims
- 0572US11193930B2Automated protein precipitation and/or dispersive solid phase extraction using filter tipsDPX TECH LLC·Filed 2017·Granted Dec 7, 2021·1 cites·9 claims
- 0672US9733169B2Dispersive pipette extraction tip and methods for useBREWER WILLIAM E·Filed 2013·Granted Aug 15, 2017·4 cites·24 claims
- 0772US5762877AChemical sample concentrating deviceFiled 1996·Granted Jun 9, 1998·34 cites·13 claims
- 0872US4050261AMethod of backfillingKRETE INC K·Filed 1974·Granted Sep 27, 1977·20 cites·5 claims
- 0967US11161107B2Dispersive pipette extraction system for purification of large biomoleculesINTEGRATED MICRO CHROMATOGRAPHY SYSTEMS INC·Filed 2017·Granted Nov 2, 2021·1 cites·16 claims
- 1064US2024230488A1High throughput vacuum extraction processDPX TECH LLC·Filed 2023·Application pending·0 cites
- 1157US12287333B2Automated solid phase extraction using filter tipsDPX TECH LLC·Filed 2022·Granted Apr 29, 2025·0 cites·9 claims
- 1256US2024418684A1Chromatography devices and methodsDPX TECH LLC·Filed 2024·Application pending·0 cites
- 1355US2025314675A1Slow aspiration to prepare sec tipsDPX TECH INC·Filed 2025·Application pending·0 cites
- 1454US4050258AMethod of building embankments and structure supports of backfillingKRETE INC K·Filed 1975·Granted Sep 27, 1977·13 cites·12 claims
- 1550US2022184525A1Automated group separations of complex mixtures with gel filtration pipette tipsDPX TECH LLC·Filed 2022·Application pending·0 cites
- 1648US12458925B2Membrane devices for filtration and extractionDPX TECH LLC·Filed 2021·Granted Nov 4, 2025·0 cites·23 claims
- 1747US2025242343A1Solid Phase Reversible Immobilization (SPRI) TipsDPX TECH INC·Filed 2025·Application pending·0 cites
- 1839US4062195AMethod of bedding a conduit using controlled density fill materialKRETE INC K·Filed 1975·Granted Dec 13, 1977·5 cites·3 claims
- 1937USD782693SDispersive insert for pipette tipsDPX TECH LLC·Filed 2016·Granted Mar 28, 2017·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →