Inventor · disambiguated record
David S. Hunt
Also filed as: HUNT DAVID · HUNT DAVID S
35 granted patents·3 pending applications·1,406 citations·filing 1991–2023
98Inventor score
Files withHEWLETT PACKARD CO20PROCTER & GAMBLE11ST MICROELECTRONICS INC3BAE SYS INF & ELECT SYS INTEG1HEWLETT PACKARD DEVELOPMENT CO1
Top patents by PatentIndex Score
38 records- 0198US9808812B2Microfluidic delivery systemPROCTER & GAMBLE·Filed 2014·Granted Nov 7, 2017·23 cites·17 claims
- 0298US9211980B1Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2014·Granted Dec 15, 2015·36 cites·21 claims
- 0396US9814098B2Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2016·Granted Nov 7, 2017·6 cites·20 claims
- 0496US5751320AInk recharger for inkjet print cartridge having sliding valve connectable to print cartridgeHEWLETT PACKARD CO·Filed 1996·Granted May 12, 1998·133 cites·26 claims
- 0595US9278150B2Method of delivering a dose of a fluid composition from a microfluidic delivery cartridgePROCTER & GAMBLE·Filed 2014·Granted Mar 8, 2016·17 cites·20 claims
- 0695US5280300AMethod and apparatus for replenishing an ink cartridgeHEWLETT PACKARD CO·Filed 1991·Granted Jan 18, 1994·241 cites·12 claims
- 0794US9554459B2Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2015·Granted Jan 24, 2017·12 cites·8 claims
- 0894US5621445AApparatus for refilling ink cartridgesHEWLETT PACKARD CO·Filed 1994·Granted Apr 15, 1997·123 cites·6 claims
- 0993US6000791APrinter having a removable print cartridge with handle incorporating an ink inlet valueHEWLETT PACKARD CO·Filed 1997·Granted Dec 14, 1999·91 cites·23 claims
- 1093US5675367AInkjet print cartridge having handle which incorporates an ink fill portHEWLETT PACKARD CO·Filed 1996·Granted Oct 7, 1997·93 cites·26 claims
- 1191US5903292AInk refill techniques for an inkjet print cartridge which leave correct back pressureHEWLETT PACKARD CO·Filed 1996·Granted May 11, 1999·77 cites·48 claims
- 1291US5359353ASpring-bag printer ink cartridge with volume indicatorHEWLETT PACKARD CO·Filed 1991·Granted Oct 25, 1994·83 cites·7 claims
- 1386US10076585B2Method of delivering a dose of a fluid composition from a microfluidic delivery cartridgePROCTER & GAMBLE·Filed 2014·Granted Sep 18, 2018·4 cites·8 claims
- 1486US5874976AInkjet cartridge fill port adapterHEWLETT PACKARD CO·Filed 1996·Granted Feb 23, 1999·63 cites·19 claims
- 1586US5440333ACollapsible ink reservoir and ink-jet cartridge with protective bonding layer for the pressure regulatorHEWLETT PACKARD CO·Filed 1992·Granted Aug 8, 1995·59 cites·26 claims
- 1685US10040090B2Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2016·Granted Aug 7, 2018·2 cites·11 claims
- 1784US10780192B2Microfluidic delivery cartridges and methods of connecting cartridges with microfluidic delivery systemsPROCTER & GAMBLE·Filed 2015·Granted Sep 22, 2020·3 cites·8 claims
- 1883US6224192B1Inkjet printing systems using a modular print cartridge assemblyHEWLETT PACKARD CO·Filed 1998·Granted May 1, 2001·51 cites·39 claims
- 1980US6065826AModular print cartridge receptacle for use in inkjet printing systemsHEWLETT PACKARD CO·Filed 1998·Granted May 23, 2000·44 cites·33 claims
- 2078US5966156ARefilling technique for inkjet print cartridge having two ink inlet ports for initial filling and rechargingHEWLETT PACKARD CO·Filed 1998·Granted Oct 12, 1999·34 cites·20 claims
- 2177US11305534B2Support substrates for microfluidic dieST MICROELECTRONICS INT NV·Filed 2020·Granted Apr 19, 2022·0 cites·20 claims
- 2275US10759169B2Support substrates for microfluidic dieST MICROELECTRONICS INC·Filed 2019·Granted Sep 1, 2020·0 cites·20 claims
- 2375US5929883APrinting system with single on/off control valve for periodic ink replenishment of inkjet printheadHEWLETT PACKARD CO·Filed 1997·Granted Jul 27, 1999·34 cites·22 claims
- 2474US9433696B2Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2014·Granted Sep 6, 2016·3 cites·34 claims
- 2574US5777648AInkjet print cartridge having an ink fill port for initial filling and a recharge port with recloseable seal for recharging the print cartridge with inkHEWLETT PACKARD CO·Filed 1996·Granted Jul 7, 1998·28 cites·23 claims
- 2674US5748216AInkjet print cartridge having valve connectable to an external ink reservoir for recharging the print cartridgeHEWLETT PACKARD CO·Filed 1996·Granted May 5, 1998·32 cites·20 claims
- 2773US10759168B2Support substrates for microfluidic dieST MICROELECTRONICS INC·Filed 2019·Granted Sep 1, 2020·0 cites·20 claims
- 2871US5434603AInk cartridge with passageway for ink level indicatorHEWLETT PACKARD CO·Filed 1992·Granted Jul 18, 1995·27 cites·6 claims
- 2968US5963238AIntermittent refilling of print cartridge installed in an inkjet printerHEWLETT PACKARD CO·Filed 1998·Granted Oct 5, 1999·26 cites·19 claims
- 3068US5793387AMethod and apparatus for ink-jet ink level detectionHEWLETT PACKARD CO·Filed 1997·Granted Aug 11, 1998·25 cites·10 claims
- 3167US5852458AInkjet print cartridge having a first inlet port for initial filling and a second inlet port for ink replenishment without removing the print cartridge from the printerHEWLETT PACKARD CO·Filed 1996·Granted Dec 22, 1998·25 cites·23 claims
- 3264US10272684B2Support substrates for microfluidic dieST MICROELECTRONICS INC·Filed 2016·Granted Apr 30, 2019·0 cites·16 claims
- 3359US11000862B2Microfluidic delivery systemPROCTER & GAMBLE·Filed 2017·Granted May 11, 2021·0 cites·17 claims
- 3450US6736495B2Replenishment system with an open-valve printhead fill port continuously connected to a liquid supplyHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted May 18, 2004·4 cites·16 claims
- 3547US2015312472A1User friendly interfaces and controls for targeting systemsBAE SYS INF & ELECT SYS INTEG·Filed 2014·Application pending·0 cites
- 3646US5596358AMethod and apparatus for refilling a print cartridge having a reservoir pressure of less than ambient pressureHEWLETT PACKARD CO·Filed 1994·Granted Jan 21, 1997·7 cites·9 claims
- 3746US2025268626A1System for embryo transferPREMIUM FERTILITY S L·Filed 2023·Application pending·0 cites
- 3842US2017072085A1Microfluidic delivery system and cartridgePROCTER & GAMBLE·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →