Inventor · disambiguated record
David Champion
Also filed as: CHAMPION DAVID · CHAMPION DAVID A · CHAMPION DAVID ALAN
75 granted patents·39 pending applications·359 citations·filing 2002–2023
98Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO83UNIV OREGON STATE5CHAMPION DAVID A3CHAMPION DAVID2BANERJEE NEEL1
Top patents by PatentIndex Score
114 records- 0196US6770353B1Co-deposited films with nano-columnar structures and formation processHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 3, 2004·91 cites·24 claims
- 0291US11007710B2Three-dimensional (3D) printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted May 18, 2021·4 cites·20 claims
- 0390US6972161B2Fuel cell assembly and method of making the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Dec 6, 2005·38 cites·33 claims
- 0488US10875240B2Stabilizing liquid functional material for three- dimensional (3D) printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Dec 29, 2020·3 cites·13 claims
- 0587US11668528B2Transmitting and detecting light with optical fiber during sinteringHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jun 6, 2023·2 cites·14 claims
- 0685US12023738B2Creating a breakaway regionHEWLETT PACKARD DEVELOPMENT CO·Filed 2022·Granted Jul 2, 2024·0 cites·8 claims
- 0785US7045234B2Fuel-cell integral multifunction heater and methodsHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted May 16, 2006·14 cites·40 claims
- 0884US7153601B2Fuel cell with embedded current collectorHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Dec 26, 2006·26 cites·56 claims
- 0983US11207827B2Energy dosing for additive manufacturingHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Dec 28, 2021·2 cites·14 claims
- 1080US12121973B2Three-dimensional (3D) printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2023·Granted Oct 22, 2024·0 cites·8 claims
- 1179US7067215B2Fuel cell and method of manufacturing same using chemical/mechanical planarizationHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jun 27, 2006·15 cites·41 claims
- 1278US7208246B2Fuel cell with integrated heater and robust constructionHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 24, 2007·16 cites·27 claims
- 1378US7118826B2Electrode-electrolyte composites having discrete regionsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Oct 10, 2006·15 cites·16 claims
- 1477US12076917B2Energy dosing for additive manufacturingHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Sep 3, 2024·0 cites·14 claims
- 1576US8179531B2Shuttering and sealing deviceFLOTATS VILLAGRASA CARLES·Filed 2009·Granted May 15, 2012·12 cites·16 claims
- 1676US7981560B2Fuel cell with integral manifold and laterally spaced electrodesEVEREADY BATTERY INC·Filed 2007·Granted Jul 19, 2011·2 cites·20 claims
- 1775US11167478B2Material setsHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Nov 9, 2021·1 cites·9 claims
- 1875US7045244B2Fuel cells utilizing non-porous nanofilm microchannel architectureHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted May 16, 2006·11 cites·20 claims
- 1974US11701830B2Extraction of digitally printed build materialHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Jul 18, 2023·0 cites·20 claims
- 2074US7070879B2Fuel cell or electrodes with passive supportHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jul 4, 2006·11 cites·40 claims
- 2173US7029777B2Fuel cell and passive supportHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Apr 18, 2006·10 cites·37 claims
- 2272US11498130B2Three-dimensional printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Nov 15, 2022·0 cites·11 claims
- 2372US11433457B2Creating a breakaway regionHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Sep 6, 2022·0 cites·9 claims
- 2472US10759085B2Three-dimensional (3D) printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Sep 1, 2020·1 cites·12 claims
- 2572US7599109B2Security deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Oct 6, 2009·3 cites·21 claims
- 2671US7291417B2Compositional and structural gradients for fuel cell electrode materialsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Nov 6, 2007·10 cites·18 claims
- 2771US7033691B2MEMS-based fuel cell and methodsHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 25, 2006·8 cites·36 claims
- 2870US2021331243A1Three-dimensional printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Application pending·0 cites
- 2969US11858041B2Electrical measurement of a green object during sinteringHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jan 2, 2024·0 cites·15 claims
- 3069US7153360B2Template and methods for forming photonic crystalsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Dec 26, 2006·14 cites·69 claims
- 3168US11633915B2Removable cassette for 3D printersHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Apr 25, 2023·0 cites·20 claims
- 3268US7790331B1Fuel cell with film having nanowires thereinHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 7, 2010·7 cites·25 claims
- 3368US7033694B2Threaded fuel cell assemblyHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Apr 25, 2006·7 cites·24 claims
- 3464US7679603B2Sensor arrayHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Mar 16, 2010·3 cites·20 claims
- 3564US7608194B2Photonic structures, devices, and methodsHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Oct 27, 2009·1 cites·5 claims
- 3664US7014929B2Fuel cellHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 21, 2006·5 cites·31 claims
- 3763US11745260B2Pin array sintering supportsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Sep 5, 2023·0 cites·13 claims
- 3862US10857727B2Material setsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Dec 8, 2020·0 cites·15 claims
- 3962US7680204B2Method and system of convolutive coding for the transmission of space-time block codes according to the technique termed Golden CodeCOMSIS·Filed 2006·Granted Mar 16, 2010·2 cites·9 claims
- 4061US7556880B2Compositional and structural gradients for fuel cell electrode materialsHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jul 7, 2009·0 cites·9 claims
- 4160US11872753B2Frequency control of spreader vibrationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jan 16, 2024·0 cites·14 claims
- 4260US11872757B2Microwave energy emitters with tipsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jan 16, 2024·0 cites·14 claims
- 4360US11865618B2Tracer gas endpoint-monitored sinter systemsHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jan 9, 2024·0 cites·15 claims
- 4460US11806788B2Sintering furnaceHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Nov 7, 2023·0 cites·14 claims
- 4560US11633782B2Three-dimensional (3D) printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Apr 25, 2023·0 cites·14 claims
- 4660US10913208B2Extraction of digitally printed build materialHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Feb 9, 2021·0 cites·20 claims
- 4760US7491457B2Fuel cell apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Feb 17, 2009·4 cites·12 claims
- 4860US7348087B2Fuel cell with integral manifoldHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 25, 2008·3 cites·22 claims
- 4959US11987006B2Adjustments to forming data for forming a build layerHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted May 21, 2024·0 cites·12 claims
- 5059US6893769B2Fuel cell assemblies and methods of making the sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted May 17, 2005·3 cites·37 claims
Showing the top 50 of 114 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →