Inventor · disambiguated record
David Welter
Also filed as: WELTER DAVID · WELTER DAVID D · WELTER DAVID DANIEL
16 granted patents·3 pending applications·106 citations·filing 2008–2020
91Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO12HEWLETT PACKARD DEVELOPMENT CO LP3DOWELL DANIEL D1HARVEY DAVID C1HP HEALTH SOLUTIONS INC1
Top patents by PatentIndex Score
19 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
- 0493US9616670B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2015·Granted Apr 11, 2017·8 cites·15 claims
- 0592US8727515B2Container installation guide for a fluid ejector assemblyDOWELL DANIEL D·Filed 2008·Granted May 20, 2014·21 cites·18 claims
- 0677US10308015B2Identifying primed printheadsHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Jun 4, 2019·2 cites·15 claims
- 0767US9738080B1Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Aug 22, 2017·0 cites·30 claims
- 0864US9028054B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted May 12, 2015·0 cites·18 claims
- 0964US2024042441A1Sample preparation cartridge moduleHP HEALTH SOLUTIONS INC·Filed 2020·Application pending·0 cites
- 1062US11331904B2Overflow chamber for print fluid tanksHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted May 17, 2022·0 cites·15 claims
- 1159US10391775B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Aug 27, 2019·0 cites·17 claims
- 1259US10112400B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Oct 30, 2018·0 cites·25 claims
- 1358US11390088B2Printer fluid portsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jul 19, 2022·0 cites·13 claims
- 1458US8979251B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Mar 17, 2015·0 cites·20 claims
- 1556US8651642B2Fluid cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Feb 18, 2014·0 cites·7 claims
- 1653US8882252B2Fluid cartridgeHARVEY DAVID C·Filed 2010·Granted Nov 11, 2014·0 cites·20 claims
- 1746US8388123B2Fluid cartridge having feature to clear bracket riser surfacesSMITH MARK A·Filed 2008·Granted Mar 5, 2013·0 cites·13 claims
- 1842US2021309017A1Print fluid delivery with multiple tanksHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Application pending·0 cites
- 1940US2022009222A1Seal member for fluid reservoirHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →