Inventor · disambiguated record
David P. Markel
Also filed as: MARKEL DAVID · MARKEL DAVID P
42 granted patents·8 pending applications·156 citations·filing 2004–2025
97Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO33HOWMEDICA OSTEONICS CORP4GOVYADINOV ALEXANDER3HEWLETT PACKARD DEVELOPMENT CO LP2KORNILOVICH PAVEL2
Top patents by PatentIndex Score
50 records- 0198US9090084B2Fluid ejection device including recirculation systemGOVYADINOV ALEXANDER·Filed 2010·Granted Jul 28, 2015·36 cites·23 claims
- 0294US10596660B2Porous structures produced by additive layer manufacturingHOWMEDICA OSTEONICS CORP·Filed 2015·Granted Mar 24, 2020·27 cites·23 claims
- 0394US9395050B2Microfluidic systems and networksKORNILOVICH PAVEL·Filed 2011·Granted Jul 19, 2016·16 cites·16 claims
- 0492US9604212B2Fluid ejection device including recirculation systemHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2015·Granted Mar 28, 2017·4 cites·22 claims
- 0590US11345162B2Fluid recirculation channelsHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted May 31, 2022·4 cites·13 claims
- 0690US8651646B2Fluid ejection assembly with circulation pumpGOVYADINOV ALEXANDER·Filed 2010·Granted Feb 18, 2014·5 cites·12 claims
- 0789US12097657B2Porous structures produced by additive layer manufacturingHOWMEDICA OSTEONICS CORP·Filed 2020·Granted Sep 24, 2024·2 cites·24 claims
- 0888US2025058514A1Porous Structures Produced By Additive Layer ManufacturingHOWMEDICA OSTEONICS CORP·Filed 2024·Application pending·0 cites
- 0983US11686327B2Inertial pumpsHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jun 27, 2023·2 cites·15 claims
- 1083US10197188B2Microfluidic valveHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted Feb 5, 2019·5 cites·15 claims
- 1183US10173435B2Fluid ejection device including recirculation systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jan 8, 2019·1 cites·20 claims
- 1282US11911731B2Droplet generatorHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Feb 27, 2024·2 cites·20 claims
- 1382US10913039B2Microfluidic mixerHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Feb 9, 2021·2 cites·12 claims
- 1481US7148182B2Multilayered color compositions and associated methodsHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Dec 12, 2006·17 cites·42 claims
- 1578US12480532B2Inertial pumpsHEWLETT PACKARD DEVELOPMENT CO·Filed 2023·Granted Nov 25, 2025·0 cites·20 claims
- 1678US11260668B2Fluid ejection device including recirculation systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Mar 1, 2022·0 cites·20 claims
- 1778US9575558B2System and method for electronically assisting a customer at a product retail locationALMEN KEVIN D·Filed 2008·Granted Feb 21, 2017·17 cites·21 claims
- 1877US9981265B2Microfluidic mixing deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted May 29, 2018·1 cites·20 claims
- 1977US9963739B2Polymerase chain reaction systemsKORNILOVICH PAVEL·Filed 2011·Granted May 8, 2018·5 cites·19 claims
- 2077US9409170B2Microfluidic mixing deviceHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Aug 9, 2016·3 cites·20 claims
- 2175US10696939B2Cell lysisHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jun 30, 2020·1 cites·12 claims
- 2275US10308020B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Jun 4, 2019·1 cites·20 claims
- 2374US2025153427A1Porous Structures Produced By Additive Layer ManufacturingHOWMEDICA OSTEONICS CORP·Filed 2025·Application pending·0 cites
- 2473US10807376B2Fluid ejection device including recirculation systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Oct 20, 2020·0 cites·20 claims
- 2572US11278891B2Fluidic channels for microfluidic devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Mar 22, 2022·1 cites·17 claims
- 2672US8740453B2Microcalorimeter systemsTORNIAINEN ERIK D·Filed 2011·Granted Jun 3, 2014·4 cites·14 claims
- 2770US10850511B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Dec 1, 2020·0 cites·20 claims
- 2866US10252527B2Noncircular inkjet nozzleHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Apr 9, 2019·0 cites·16 claims
- 2964US10272691B2Microfluidic systems and networksHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Apr 30, 2019·0 cites·12 claims
- 3060US10415086B2Polymerase chain reaction systemsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Sep 17, 2019·0 cites·19 claims
- 3159US11439963B2Microfluidic device for fluid mixtureHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Sep 13, 2022·0 cites·22 claims
- 3259US2019299176A1Microfluidic device for fluid mixtureHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Application pending·0 cites
- 3356US11209102B2Microfluidic valveHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted Dec 28, 2021·0 cites·20 claims
- 3455US10646868B2Microfluidic filteringHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted May 12, 2020·0 cites·15 claims
- 3555US10495507B2Drop ejection based flow sensor calibrationHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Dec 3, 2019·0 cites·20 claims
- 3651US11318466B2Microfluidic fluid flow in a target fluidHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted May 3, 2022·0 cites·13 claims
- 3751US11110456B2Bead packing in microfluidic channelsHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Sep 7, 2021·0 cites·14 claims
- 3849US11097270B2Microfluidic filtering systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Aug 24, 2021·0 cites·14 claims
- 3949US11059290B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jul 13, 2021·0 cites·18 claims
- 4049US10882045B2Polymerase chain reaction device including ejection nozzlesHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jan 5, 2021·0 cites·19 claims
- 4148US10286366B2Microfluidic mixing deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2012·Granted May 14, 2019·0 cites·11 claims
- 4247US2021162413A1Microfluidic immunoassaysHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Application pending·0 cites
- 4347US2006135361A1Markable materialMARKEL DAVID P·Filed 2004·Application pending·0 cites
- 4446US10780705B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Sep 22, 2020·0 cites·10 claims
- 4544US10857536B2Polymerase chain reaction deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Dec 8, 2020·0 cites·12 claims
- 4641US10717278B2Noncircular inkjet nozzleFEINN JAMES A·Filed 2011·Granted Jul 21, 2020·0 cites·4 claims
- 4740US10132303B2Generating fluid flow in a fluidic networkGOVYADINOV ALEXANDER·Filed 2011·Granted Nov 20, 2018·0 cites·15 claims
- 4839US2009038832A1Device and method of forming electrical path with carbon nanotubesCHAFFINS STERLING·Filed 2007·Application pending·0 cites
- 4938US2006272716A1Method of adhesiveless lamination of polymer films into microfluidic networks with high dimensional fidelityUNIV WASHINGTON·Filed 2006·Application pending·0 cites
- 5037US2020031135A1Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →