Inventor · disambiguated record
David Frank
Also filed as: FRANK DAVID · FRANK DAVID G · FRANK DAVID GEORGE
26 granted patents·23 pending applications·422 citations·filing 2000–2014
96Inventor score
Top patents by PatentIndex Score
49 records- 0193US6852439B2Apparatus for and method of forming seals in fuel cells and fuel cell stacksHYDROGENICS CORP·Filed 2001·Granted Feb 8, 2005·56 cites·23 claims
- 0291US6541141B1Water recovery in the anode side of a proton exchange membrane fuel cellHYDROGENICS CORP·Filed 2000·Granted Apr 1, 2003·45 cites·15 claims
- 0389US6833207B2Unitized regenerative fuel cell with bifunctional fuel cell humidifier and water electrolyzerHYDROGENICS CORP·Filed 2001·Granted Dec 21, 2004·65 cites·28 claims
- 0488US6727012B2Method and apparatus for generating hydrogen inside of a fuel cellHYDROGENICS CORP·Filed 2001·Granted Apr 27, 2004·45 cites·42 claims
- 0584US6737184B2Chemical hydride hydrogen generation system and an energy system incorporating the sameHYDROGENICS CORP·Filed 2001·Granted May 18, 2004·39 cites·28 claims
- 0682US6878477B2Fuel cell flow field plateHYDROGENICS CORP·Filed 2002·Granted Apr 12, 2005·21 cites·28 claims
- 0782US6602625B1Fuel cell with dual end plate humidifiersHYDROGENICS CORP·Filed 2000·Granted Aug 5, 2003·23 cites·13 claims
- 0882US6436563B1Water recovery, primarily in the cathode side, of a proton exchange membrane fuel cellHYDROGENICS CORP·Filed 2000·Granted Aug 20, 2002·22 cites·16 claims
- 0979US7210220B2Apparatus for and method of forming seals in fuel cells and fuel stacksHYDROGENICS CORP·Filed 2003·Granted May 1, 2007·14 cites·31 claims
- 1076US6746789B1Catalytic humidifier and heater for the fuel stream of a fuel cellHYDROGENICS CORP·Filed 2000·Granted Jun 8, 2004·13 cites·4 claims
- 1173US7432008B2Gas diffusion layer for an electrochemical cellHYDROGENICS CORP·Filed 2003·Granted Oct 7, 2008·12 cites·10 claims
- 1273US7045230B2Chemical hydride hydrogen generation system and fuel cell stack incorporating a common heat transfer circuitHYDROGENICS CORP·Filed 2001·Granted May 16, 2006·17 cites·23 claims
- 1372US9580825B2Electrolyzer cell stack systemHYDROGENICS CORP·Filed 2013·Granted Feb 28, 2017·1 cites·23 claims
- 1471US8241810B2Racked power supply ventilationFRANK DAVID GEORGE·Filed 2008·Granted Aug 14, 2012·2 cites·18 claims
- 1571US6706429B1Catalytic humidifier and heater, primarily for humidification of the oxidant stream for a fuel cellHYDROGENICS CORP·Filed 2000·Granted Mar 16, 2004·9 cites·8 claims
- 1669US9929413B2Fuel cell sub-assembly and method of making itHYDROGENICS CORP·Filed 2014·Granted Mar 27, 2018·0 cites·12 claims
- 1769US7138202B2Apparatus for and method of forming seals in fuel cells and fuel stacksHYDROGENICS CORP·Filed 2003·Granted Nov 21, 2006·7 cites·10 claims
- 1869US6946104B2Chemical hydride hydrogen generation system and an energy system incorporating the sameHYDROGENICS CORP·Filed 2001·Granted Sep 20, 2005·15 cites·22 claims
- 1963US6936081B2Chemical hydride hydrogen reactor and generation systemHYDROGENICS CORP·Filed 2001·Granted Aug 30, 2005·6 cites·13 claims
- 2057US7338727B2Method of operating a fuel cell to provide a heated and humidified oxidantHYDROGENICS CORP·Filed 2004·Granted Mar 4, 2008·2 cites·5 claims
- 2156US8419910B2Electrolyzer cell stack systemRUSTA-SALLEHY ALI·Filed 2008·Granted Apr 16, 2013·0 cites·22 claims
- 2256US2014080017A1Racked power supply ventilationFRANK DAVID GEORGE·Filed 2013·Application pending·0 cites
- 2355US8563196B2Racked power supply ventilationFRANK DAVID GEORGE·Filed 2012·Granted Oct 22, 2013·0 cites·26 claims
- 2454US7348092B2Apparatus for and method of forming seals in fuel cells and fuel stacksHYDROGENICS CORP·Filed 2003·Granted Mar 25, 2008·1 cites·27 claims
- 2553US6790546B2Method of heating and humidifying at least one of a fuel stream and an oxidant stream for a fuel cellHYDROGENICS CORP·Filed 2002·Granted Sep 14, 2004·1 cites·10 claims
- 2652US7569303B2Membrane electrode assembly with modified catalyst layoutHYDROGENICS CORP·Filed 2004·Granted Aug 4, 2009·3 cites·16 claims
- 2750US2005115825A1Electrolyzer cell arrangementFiled 2004·Application pending·0 cites
- 2849US6916567B2Regenerative dryer device and method for water recovery, primarily in the cathode side, of a proton exchange membrane fuel cellHYDROGENICS CORP·Filed 2002·Granted Jul 12, 2005·3 cites·35 claims
- 2949US2005064272A1Fuel cell flow field plateHYDROGENICS CORP·Filed 2004·Application pending·0 cites
- 3049US2005260482A1Flow field plate arrangementFRANK DAVID·Filed 2004·Application pending·0 cites
- 3149US2005186458A1Electrolyzer cell stack systemFiled 2004·Application pending·0 cites
- 3248US2005074657A1Hydrogen production and water recovery system for a fuel cellHYDROGENICS CORP·Filed 2004·Application pending·0 cites
- 3346US2004106020A1Catalytic humidifier and heater, primarily for humidification of the oxidant stream for a fuel cellFRANK DAVID·Filed 2003·Application pending·0 cites
- 3445US2002098134A1Catalytic humidifier and heater for the fuel stream of a fuel cellHYDROGENICS CORP·Filed 2002·Application pending·0 cites
- 3545US2004131902A1Regenerative power supply system and components thereofHYDROGENICS CORP·Filed 2003·Application pending·0 cites
- 3645US2007154770A1End plate for an electrochemical cell stackFRANK DAVID·Filed 2004·Application pending·0 cites
- 3744US2005069749A1Flow field plate arrangementFiled 2004·Application pending·0 cites
- 3844US2006210857A1Electrochemical cell arrangement with improved mea-coolant manifold isolationFRANK DAVID·Filed 2005·Application pending·0 cites
- 3944US2004227518A1Fuel cell voltage measuring assemblyHYDROGENICS CORP·Filed 2004·Application pending·0 cites
- 4044US2006210855A1Flow field plate arrangementFRANK DAVID·Filed 2005·Application pending·0 cites
- 4143US2003207161A1Hydrogen production and water recovery system for a fuel cellFiled 2002·Application pending·0 cites
- 4243US2006204824A1System and method for collecting current in an electrochemical cell stackHYDROGENICS CORP·Filed 2005·Application pending·0 cites
- 4343US2006204823A1End assembly for an electrochemical cell stackHYDROGENICS CORP·Filed 2005·Application pending·0 cites
- 4441US2004258977A1Apparatus for and method of forming seals in fuel cells and fuel cell stacksHYDROGENICS CORP·Filed 2004·Application pending·0 cites
- 4541US2004137299A1Terminal plate and method for producing sameHYDROGENICS CORP·Filed 2003·Application pending·0 cites
- 4640US2005095492A1Fuel cell stackHYDROGENICS CORP·Filed 2004·Application pending·0 cites
- 4740US2002172852A1Flow field plate for a fuel cell and fuel cell assembly incorporating the flow field plateFiled 2001·Application pending·0 cites
- 4839US2006046131A1Fuel cell apparatus improvementsHYDROGENICS CORP·Filed 2004·Application pending·0 cites
- 4939US2004131917A1End plate and method for producing sameFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →