Inventor · disambiguated record
Ralph L. Stathem
Also filed as: STATHEM RALPH · STATHEM RALPH L
58 granted patents·2 pending applications·414 citations·filing 1996–2018
98Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO32HARVEY DAVID C7HEWLETT PACKARD DEVELOPMENT CO LP4HEWLETT PACKARD CO3STATHEM RALPH L3
Top patents by PatentIndex Score
60 records- 0197US9770914B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2016·Granted Sep 26, 2017·35 cites·16 claims
- 0297US8651643B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Feb 18, 2014·29 cites·4 claims
- 0396US8474960B1Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Jul 2, 2013·11 cites·20 claims
- 0495US8727516B2Fluid cartridgeHARVEY DAVID C·Filed 2011·Granted May 20, 2014·11 cites·20 claims
- 0595US7618135B2Inkjet printing system with push primingHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Nov 17, 2009·19 cites·23 claims
- 0695US7556365B2Inkjet printing system with compliant printhead assemblyHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jul 7, 2009·21 cites·20 claims
- 0793US9616670B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2015·Granted Apr 11, 2017·8 cites·15 claims
- 0892US8919935B2Liquid supplySTATHEM RALPH L·Filed 2010·Granted Dec 30, 2014·14 cites·20 claims
- 0990US9056479B2Pressure bagSTATHEM RALPH·Filed 2010·Granted Jun 16, 2015·14 cites·20 claims
- 1085US9090082B2Fluid container having plurality of chambersBOYD PATRICK V·Filed 2011·Granted Jul 28, 2015·4 cites·14 claims
- 1185US7510274B2Ink delivery system and methods for improved printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Mar 31, 2009·7 cites·12 claims
- 1282US6604814B2Arrangements of interconnect circuit and fluid drop generatorsHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 12, 2003·19 cites·9 claims
- 1380US7762651B2Printing device fluid reservoirHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jul 27, 2010·5 cites·18 claims
- 1478US9321275B2Valve systems for managing air in a fluid ejection systemGONZALES CURT·Filed 2011·Granted Apr 26, 2016·2 cites·17 claims
- 1578US9132649B2Removable guide elementPETERSEN DANIEL W·Filed 2012·Granted Sep 15, 2015·3 cites·15 claims
- 1677US8388107B2Latch for a liquid dispenserGOMEZ ARTURO GARCIA·Filed 2011·Granted Mar 5, 2013·4 cites·13 claims
- 1776US6652072B2Interconnect circuitHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Nov 25, 2003·15 cites·39 claims
- 1873US5933175ABottom fill inkjet cartridge through bubble generatorHEWLETT PACKARD CO·Filed 1996·Granted Aug 3, 1999·29 cites·6 claims
- 1972US7771033B2Printing deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Aug 10, 2010·3 cites·13 claims
- 2071USD707290SInk cartridgeHARVEY DAVID C·Filed 2011·Granted Jun 17, 2014·15 cites·1 claims
- 2170USD729312SInk cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted May 12, 2015·16 cites·1 claims
- 2270USD675252SInk cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2011·Granted Jan 29, 2013·16 cites·1 claims
- 2369USD712464SInk cartridgeHARVEY DAVID C·Filed 2011·Granted Sep 2, 2014·16 cites·1 claims
- 2468US7997698B2Ink delivery system and methods for improved printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Aug 16, 2011·2 cites·20 claims
- 2567US9738080B1Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Aug 22, 2017·0 cites·30 claims
- 2666US6648457B2Redundant fluid interconnect seal for a modular ink jet delivery systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Nov 18, 2003·9 cites·10 claims
- 2765US6837573B2Interconnect circuitHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jan 4, 2005·9 cites·51 claims
- 2864US9028054B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted May 12, 2015·0 cites·18 claims
- 2963US6673160B2Method of cleaning for an inkjet printerHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jan 6, 2004·10 cites·7 claims
- 3061US6139137ABottom fill inkjet cartridge through bubble generatorHEWLETT PACKARD CO·Filed 1998·Granted Oct 31, 2000·19 cites·21 claims
- 3159US10391775B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Aug 27, 2019·0 cites·17 claims
- 3259US10112400B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Oct 30, 2018·0 cites·25 claims
- 3359US9597887B2Pen housingsHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2016·Granted Mar 21, 2017·0 cites·20 claims
- 3458US8979251B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Mar 17, 2015·0 cites·20 claims
- 3558USD699785SInk cartridgeHARVEY DAVID C·Filed 2011·Granted Feb 18, 2014·10 cites·1 claims
- 3658US7500737B2Free flow fluid delivery system for printing deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Mar 10, 2009·1 cites·12 claims
- 3756USD875828SInk cartridgeHARVEY DAVID C·Filed 2011·Granted Feb 18, 2020·6 cites·1 claims
- 3856US8651642B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Feb 18, 2014·0 cites·7 claims
- 3954US10046564B2Print head moduleHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Aug 14, 2018·0 cites·19 claims
- 4053US8882252B2Fluid cartridgeHARVEY DAVID C·Filed 2010·Granted Nov 11, 2014·0 cites·20 claims
- 4153USD680582SInk cartridgeHARVEY DAVID C·Filed 2011·Granted Apr 23, 2013·8 cites·1 claims
- 4251US6454388B1Sequestering residual ink on an ink-jet print cartridgeHEWLETT PACKARD CO·Filed 1999·Granted Sep 24, 2002·15 cites·14 claims
- 4349US6705706B2Arrangements of interconnect circuit and fluid drop generatorsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 16, 2004·3 cites·6 claims
- 4447US9238374B2Print head moduleSTATHEM RALPH L·Filed 2012·Granted Jan 19, 2016·0 cites·20 claims
- 4546US9457368B2Fluidic devices, bubble generators and fluid control methodsGONZALES CURT·Filed 2011·Granted Oct 4, 2016·0 cites·20 claims
- 4646US2010245453A1Printing device fluid reservoirSTATHEM RALPH L·Filed 2010·Application pending·0 cites
- 4745USD949965SInk cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Apr 26, 2022·2 cites·1 claims
- 4845USD941391SInk cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jan 18, 2022·2 cites·1 claims
- 4944US7862161B2Ink detector viewable with the human eyeHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jan 4, 2011·0 cites·22 claims
- 5044US7673968B2Printing device locking mechanism for consumable enclosuresHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Mar 9, 2010·0 cites·20 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →