Inventor · disambiguated record
Christopher John Arnold
Also filed as: ARNOLD CHRISTOPHER J · ARNOLD CHRISTOPHER JOHN
22 granted patents·1 pending application·83 citations·filing 1984–2019
92Inventor score
Top patents by PatentIndex Score
23 records- 0188US11267254B2Fluid recirculation within printing device reservoir via extraction pump and supply pumpHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Mar 8, 2022·3 cites·15 claims
- 0279US11467017B2Sensing rods with tips for fluid detectionHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Oct 11, 2022·2 cites·14 claims
- 0377US11427012B2Negative pressure recovery of printing agentsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Aug 30, 2022·1 cites·15 claims
- 0476US10569561B2Valves for fluid ejection devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Feb 25, 2020·2 cites·15 claims
- 0565US11241875B2Vented reservoirs with floats for print agentsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Feb 8, 2022·0 cites·9 claims
- 0664US11590762B2Recirculations using two pumpsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Feb 28, 2023·0 cites·15 claims
- 0764US6271614B1Pulsed plasma drive electromagnetic motor generatorFiled 1999·Granted Aug 7, 2001·28 cites·16 claims
- 0863US11597206B2Purging manifoldsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Mar 7, 2023·0 cites·13 claims
- 0962US11312142B2Printing devices with removeable extraction reservoirsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Apr 26, 2022·0 cites·16 claims
- 1062US11273646B2Fluid deliveryHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Mar 15, 2022·0 cites·12 claims
- 1160US12214598B2Fluid extraction via removable extraction reservoirsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Feb 4, 2025·0 cites·14 claims
- 1259US11413874B2Extraction reservoir-triggered fluid extractionHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Aug 16, 2022·0 cites·15 claims
- 1358US11535036B2Unattended reservoir refillingsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Dec 27, 2022·0 cites·18 claims
- 1458US11312151B2Fluid extraction using fill pump activationHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Apr 26, 2022·0 cites·15 claims
- 1556US5507513AMulti-terrain wheelchairFiled 1995·Granted Apr 16, 1996·36 cites·20 claims
- 1654US11065894B2Engageable fluid interface members and connectorsHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jul 20, 2021·0 cites·19 claims
- 1751US10137695B2Printhead primingHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Nov 27, 2018·0 cites·15 claims
- 1849US11358394B2Print reservoir ventingHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jun 14, 2022·0 cites·13 claims
- 1949US8870344B2Cleaning of fluid ejection assemblyHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Oct 28, 2014·0 cites·18 claims
- 2048US10406500B2Composition comprising nucleated nanodiamond particlesARNOLD CHRISTOPHER J·Filed 2017·Granted Sep 10, 2019·0 cites·12 claims
- 2145US2023008472A1Printing refill with reserve tanksHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Application pending·0 cites
- 2242US4724438ARadar apparatusMARCONI CO LTD·Filed 1984·Granted Feb 9, 1988·11 cites·10 claims
- 2340US8770217B2Apparatus and methods for purging air from a fluid conveying tubeARNOLD CHRISTOPHER J·Filed 2008·Granted Jul 8, 2014·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →