Inventor · disambiguated record
Joseph E. Scheffelin
Also filed as: SCHEFFELIN JOSEPH · SCHEFFELIN JOSEPH E · SCHEFFELIN JOSEPH EDWARD
85 granted patents·3 pending applications·2,917 citations·filing 1992–2020
99Inventor score
Files withHEWLETT PACKARD CO35HEWLETT PACKARD DEVELOPMENT CO29PROCTER & GAMBLE12ST MICROELECTRONICS INC4SCHEFFELIN JOSEPH E3
Top patents by PatentIndex Score
88 records- 0199US6341845B1Electrical connection for wide-array inkjet printhead assembly with hybrid carrier for printhead diesHEWLETT PACKARD CO·Filed 2000·Granted Jan 29, 2002·248 cites·42 claims
- 0298US9808812B2Microfluidic delivery systemPROCTER & GAMBLE·Filed 2014·Granted Nov 7, 2017·23 cites·17 claims
- 0398US9211980B1Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2014·Granted Dec 15, 2015·36 cites·21 claims
- 0498US6557976B2Electrical circuit for wide-array inkjet printhead assemblyHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted May 6, 2003·317 cites·14 claims
- 0598US6350013B1Carrier positioning for wide-array inkjet printhead assemblyHEWLETT PACKARD CO·Filed 2000·Granted Feb 26, 2002·132 cites·43 claims
- 0697US6450614B1Printhead die alignment for wide-array inkjet printhead assemblyHEWLETT PACKARD CO·Filed 2000·Granted Sep 17, 2002·93 cites·34 claims
- 0797US6341853B1Continuous refill of spring bag reservoir in an ink-jet swath printer/plotterHEWLETT PACKARD CO·Filed 1998·Granted Jan 29, 2002·145 cites·25 claims
- 0897US5673073ASyringe for filling print cartridge and establishing correct back pressureHEWLETT PACKARD CO·Filed 1996·Granted Sep 30, 1997·120 cites·18 claims
- 0996US9814098B2Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2016·Granted Nov 7, 2017·6 cites·20 claims
- 1096US9724926B2Dual regulator print moduleKEEFE BRIAN J·Filed 2010·Granted Aug 8, 2017·38 cites·20 claims
- 1196US9636430B2Microfluidic delivery system and cartridge having an outer coverPROCTER & GAMBLE·Filed 2015·Granted May 2, 2017·26 cites·20 claims
- 1296US5751320AInk recharger for inkjet print cartridge having sliding valve connectable to print cartridgeHEWLETT PACKARD CO·Filed 1996·Granted May 12, 1998·133 cites·26 claims
- 1396US5745137AContinuous refill of spring bag reservoir in an ink-jet swath printer/plotterHEWLETT PACKARD CO·Filed 1995·Granted Apr 28, 1998·115 cites·46 claims
- 1494US9554459B2Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2015·Granted Jan 24, 2017·12 cites·8 claims
- 1594US9221247B2Piezoelectric inkjet die stackCRUZ-URIBE TONY S·Filed 2011·Granted Dec 29, 2015·9 cites·20 claims
- 1694US6543880B1Inkjet printhead assembly having planarized mounting layer for printhead diesHEWLETT PACKARD CO·Filed 2000·Granted Apr 8, 2003·126 cites·52 claims
- 1794US6464333B1Inkjet printhead assembly with hybrid carrier for printhead diesHEWLETT PACKARD CO·Filed 2000·Granted Oct 15, 2002·56 cites·40 claims
- 1893US6000791APrinter having a removable print cartridge with handle incorporating an ink inlet valueHEWLETT PACKARD CO·Filed 1997·Granted Dec 14, 1999·91 cites·23 claims
- 1993US5675367AInkjet print cartridge having handle which incorporates an ink fill portHEWLETT PACKARD CO·Filed 1996·Granted Oct 7, 1997·93 cites·26 claims
- 2092US6244696B1Inkjet print cartridge design for decreasing ink shorts by using an elevated substrate support surface to increase adhesive sealing of the printhead from ink penetrationHEWLETT PACKARD CO·Filed 1999·Granted Jun 12, 2001·87 cites·15 claims
- 2191US6997540B2Substrate for fluid ejection devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Feb 14, 2006·36 cites·32 claims
- 2291US6431683B1Hybrid carrier for wide-array inkjet printhead assemblyHEWLETT PACKARD CO·Filed 2001·Granted Aug 13, 2002·43 cites·32 claims
- 2391US6428141B1Reference datums for inkjet printhead assemblyHEWLETT PACKARD CO·Filed 2001·Granted Aug 6, 2002·46 cites·45 claims
- 2491US5903292AInk refill techniques for an inkjet print cartridge which leave correct back pressureHEWLETT PACKARD CO·Filed 1996·Granted May 11, 1999·77 cites·48 claims
- 2586US10654275B2Dual regulator print moduleHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted May 19, 2020·1 cites·16 claims
- 2686US10076585B2Method of delivering a dose of a fluid composition from a microfluidic delivery cartridgePROCTER & GAMBLE·Filed 2014·Granted Sep 18, 2018·4 cites·8 claims
- 2786US6457821B1Filter carrier for protecting a filter from being blocked by air bubbles in an inkjet printheadHEWLETT PACKARD CO·Filed 2001·Granted Oct 1, 2002·29 cites·20 claims
- 2886US5874976AInkjet cartridge fill port adapterHEWLETT PACKARD CO·Filed 1996·Granted Feb 23, 1999·63 cites·19 claims
- 2986US5450112ALaminated film for ink reservoirHEWLETT PACKARD CO·Filed 1992·Granted Sep 12, 1995·56 cites·22 claims
- 3086US5440333ACollapsible 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
- 3185US10179455B2Dual regulator print moduleHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jan 15, 2019·1 cites·19 claims
- 3285US10040090B2Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2016·Granted Aug 7, 2018·2 cites·11 claims
- 3385US8430585B2Print bar lift and methodHENDRICKS JEFFREY T·Filed 2010·Granted Apr 30, 2013·5 cites·11 claims
- 3485US6705705B2Substrate for fluid ejection devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Mar 16, 2004·23 cites·48 claims
- 3585US6394580B1Electrical interconnection for wide-array inkjet printhead assemblyHEWLETT PACKARD CO·Filed 2001·Granted May 28, 2002·30 cites·30 claims
- 3684US10780192B2Microfluidic delivery cartridges and methods of connecting cartridges with microfluidic delivery systemsPROCTER & GAMBLE·Filed 2015·Granted Sep 22, 2020·3 cites·8 claims
- 3784US8353566B2Print bar liftHEWLETT PACKARD DEVELOPMENT CO·Filed 2010·Granted Jan 15, 2013·4 cites·15 claims
- 3882US6575559B2Joining of different materials of carrier for fluid ejection devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jun 10, 2003·23 cites·49 claims
- 3982US6409307B1Coplanar mounting of printhead dies for wide-array inkjet printhead assemblyHEWLETT PACKARD CO·Filed 2001·Granted Jun 25, 2002·23 cites·35 claims
- 4081US8205965B2Print bar structureSCHEFFELIN JOSEPH E·Filed 2010·Granted Jun 26, 2012·6 cites·15 claims
- 4181US7240991B2Fluid ejection device and manufacturing methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Jul 10, 2007·19 cites·37 claims
- 4279US6520624B1Substrate with fluid passage supportsHEWLETT PACKARD CO·Filed 2002·Granted Feb 18, 2003·24 cites·15 claims
- 4378US5966156ARefilling 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
- 4477US11305534B2Support substrates for microfluidic dieST MICROELECTRONICS INT NV·Filed 2020·Granted Apr 19, 2022·0 cites·20 claims
- 4575US10759169B2Support substrates for microfluidic dieST MICROELECTRONICS INC·Filed 2019·Granted Sep 1, 2020·0 cites·20 claims
- 4675US6951778B2Edge-sealed substrates and methods for effecting the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Oct 4, 2005·25 cites·13 claims
- 4775US6942316B2Fluid delivery for printhead assemblyHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Sep 13, 2005·16 cites·30 claims
- 4875US5929883APrinting 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
- 4974US9433696B2Microfluidic delivery system for releasing fluid compositionsPROCTER & GAMBLE·Filed 2014·Granted Sep 6, 2016·3 cites·34 claims
- 5074US5777648AInkjet 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
Showing the top 50 of 88 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →