Inventor · disambiguated record
Gerald Halpert
Also filed as: HALPERT GERALD
32 granted patents·3 pending applications·2,350 citations·filing 1990–2006
98Inventor score
Files withCALIFORNIA INST OF TECHN26US ARMY5SURAMPUDI SUBBARAO1UNIV SOUTHERN CALIFORNIA1ZENTEK CORP1
Top patents by PatentIndex Score
35 records- 0198US5945231ADirect liquid-feed fuel cell with membrane electrolyte and manufacturing thereofCALIFORNIA INST OF TECHN·Filed 1997·Granted Aug 31, 1999·245 cites·14 claims
- 0298US5773162ADirect methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 1995·Granted Jun 30, 1998·245 cites·29 claims
- 0398US5599638AAqueous liquid feed organic fuel cell using solid polymer electrolyte membraneCALIFORNIA INST OF TECHN·Filed 1993·Granted Feb 4, 1997·407 cites·49 claims
- 0496US6265093B1Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 1999·Granted Jul 24, 2001·115 cites·14 claims
- 0595US6303244B1Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 1999·Granted Oct 16, 2001·98 cites·7 claims
- 0695US5436093AMethod for fabricating carbon/lithium-ion electrode for rechargeable lithium cellCALIFORNIA INST OF TECHN·Filed 1993·Granted Jul 25, 1995·154 cites·34 claims
- 0793US6420059B1Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 1999·Granted Jul 16, 2002·76 cites·2 claims
- 0891US6444343B1Polymer electrolyte membranes for use in fuel cellsUNIV SOUTHERN CALIFORNIA·Filed 1997·Granted Sep 3, 2002·143 cites·14 claims
- 0991US5795496APolymer material for electrolytic membranes in fuel cellsCALIFORNIA INST OF TECHN·Filed 1995·Granted Aug 18, 1998·163 cites·19 claims
- 1089US6740434B2Organic fuel cell methods and apparatusCALIFORNIA INST OF TECHN·Filed 2001·Granted May 25, 2004·25 cites·34 claims
- 1189US6254748B1Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 1999·Granted Jul 3, 2001·59 cites·7 claims
- 1289US6248460B1Organic fuel cell methods and apparatusCALIFORNIA INST OF TECHN·Filed 1995·Granted Jun 19, 2001·67 cites·13 claims
- 1388US6146781ADirect methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 1998·Granted Nov 14, 2000·56 cites·14 claims
- 1486US6821659B2Organic fuel cell methods and apparatusCALIFORNIA INST OF TECHN·Filed 2001·Granted Nov 23, 2004·17 cites·29 claims
- 1586US5360686AThin composite solid electrolyte film for lithium batteriesUS ARMY·Filed 1993·Granted Nov 1, 1994·85 cites·9 claims
- 1683US6703150B2Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 2001·Granted Mar 9, 2004·15 cites·26 claims
- 1783US6399235B1Polymer electrolyte membrane assembly for fuel cellsCALIFORNIA INST OF TECHN·Filed 2000·Granted Jun 4, 2002·21 cites·3 claims
- 1882US6444341B1Polymer electrolyte membrane assembly for fuel cellsCALIFORNIA INST OF TECHN·Filed 2000·Granted Sep 3, 2002·18 cites·2 claims
- 1982US5427872ADendrite preventing separator for secondary lithium batteriesUS ARMY·Filed 1993·Granted Jun 27, 1995·68 cites·4 claims
- 2081US5278000AOvercharge and overdischarge protection of ambient temperature secondary lithium cellsUS ARMY·Filed 1992·Granted Jan 11, 1994·65 cites·22 claims
- 2170US6589684B1Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 1999·Granted Jul 8, 2003·24 cites·2 claims
- 2268US5656388AMetal hydrides as electrode/catalyst materials for oxygen evolution/reduction in electrochemical devicesCALIFORNIA INST OF TECHN·Filed 1995·Granted Aug 12, 1997·39 cites·29 claims
- 2367US6150047APolymer electrolyte membrane assembly for fuel cellsCALIFORNIA INST OF TECHN·Filed 1998·Granted Nov 21, 2000·25 cites·20 claims
- 2463US5573873ALong life NA/NiCl2 cellsUS ARMY·Filed 1994·Granted Nov 12, 1996·29 cites·13 claims
- 2561US7470478B2Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 2004·Granted Dec 30, 2008·2 cites·46 claims
- 2661US7425384B2Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 2004·Granted Sep 16, 2008·2 cites·7 claims
- 2759US6187471B1Bimodal batteryZENTEK CORP·Filed 1999·Granted Feb 13, 2001·33 cites·25 claims
- 2859US5294503AAnode for rechargeable ambient temperature lithium cellsUS ARMY·Filed 1992·Granted Mar 15, 1994·26 cites·14 claims
- 2958US2006204810A1Organic fuel cell methods and apparatusSURAMPUDI SUBBARAO·Filed 2006·Application pending·0 cites
- 3057US2006105210A1Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 2005·Application pending·0 cites
- 3151US7488548B2Direct methanol feed fuel cell and systemCALIFORNIA INST OF TECHN·Filed 2004·Granted Feb 10, 2009·0 cites·14 claims
- 3250US7445859B2Organic fuel cell methods and apparatusCALIFORNIA INST OF TECHN·Filed 2004·Granted Nov 4, 2008·0 cites·41 claims
- 3350US5554457AFoil positive electrodes in sodium-nickel chloride batteriesFiled 1995·Granted Sep 10, 1996·19 cites·10 claims
- 3446US2002058178A1Catalyst materials for fuel cellsCALIFORNIA INST OF TECHN·Filed 2001·Application pending·0 cites
- 3535US5030528AMixed solvent electrolytes for ambient temperature secondary lithium cellsCALIFORNIA INST OF TECHN·Filed 1990·Granted Jul 9, 1991·9 cites·16 claims
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