Assignee
GAS RES INST
US·634 granted patents·24,905 citations·filing 1977–2004
Top patents by PatentIndex Score
634 records- 0198US6488103B1Drilling tool and method of using sameGAS RES INST·Filed 2001·Granted Dec 3, 2002·92 cites·14 claims
- 0298US5801940AFault-tolerant HVAC systemGAS RES INST·Filed 1996·Granted Sep 1, 1998·208 cites·3 claims
- 0398US5706191AAppliance interface apparatus and automated residence management systemGAS RES INST·Filed 1997·Granted Jan 6, 1998·667 cites·31 claims
- 0498US5092305AApparatus and method for providing an alternative fuel system for enginesGAS RES INST·Filed 1990·Granted Mar 3, 1992·117 cites·7 claims
- 0598US5022970APhotoelectrochemical reduction of carbon oxidesGAS RES INST·Filed 1989·Granted Jun 11, 1991·127 cites·15 claims
- 0697US5926776ASmart thermostat having a transceiver interfaceGAS RES INST·Filed 1997·Granted Jul 20, 1999·307 cites·39 claims
- 0797US5463005ACopolymers of tetrafluoroethylene and perfluorinated sulfonyl monomers and membranes made therefromGAS RES INST·Filed 1993·Granted Oct 31, 1995·225 cites·12 claims
- 0897US4955205AMethod of conditioning building airGAS RES INST·Filed 1989·Granted Sep 11, 1990·138 cites·4 claims
- 0997US4889280ATemperature and humidity auctioneering controlGAS RES INST·Filed 1989·Granted Dec 26, 1989·215 cites·6 claims
- 1096US6210955B1Foam transport process for in-situ remediation of contaminated soilsGAS RES INST·Filed 1994·Granted Apr 3, 2001·131 cites·16 claims
- 1196US5763114AIntegrated reformer/CPN SOFC stack module designGAS RES INST·Filed 1997·Granted Jun 9, 1998·184 cites·12 claims
- 1296US5655599ARadiant tubes having internal finsGAS RES INST·Filed 1995·Granted Aug 12, 1997·103 cites·7 claims
- 1396US5351497ALow-flow internally-cooled liquid-desiccant absorberGAS RES INST·Filed 1992·Granted Oct 4, 1994·151 cites·10 claims
- 1496US4609441AElectrochemical reduction of aqueous carbon dioxide to methanolGAS RES INST·Filed 1985·Granted Sep 2, 1986·119 cites·3 claims
- 1596US4600356AUnderground pipeline and cable detector and processGAS RES INST·Filed 1984·Granted Jul 15, 1986·147 cites·10 claims
- 1695US6060719AFail safe gas furnace optical flame sensor using a transconductance amplifier and low photodiode currentGAS RES INST·Filed 1997·Granted May 9, 2000·141 cites·10 claims
- 1795US5759022AMethod and system for reducing NOx and fuel emissions in a furnaceGAS RES INST·Filed 1995·Granted Jun 2, 1998·167 cites·16 claims
- 1895US5713320AInternal combustion engine starting apparatus and processGAS RES INST·Filed 1996·Granted Feb 3, 1998·138 cites·18 claims
- 1995US5233866AApparatus and method for accurately measuring formation pressuresGAS RES INST·Filed 1991·Granted Aug 10, 1993·215 cites·12 claims
- 2095US4939906AMulti-stage boiler/regenerator for liquid desiccant dehumidifiersGAS RES INST·Filed 1989·Granted Jul 10, 1990·117 cites·11 claims
- 2195US4729774ANonuniform regeneration system for desiccant bedGAS RES INST·Filed 1986·Granted Mar 8, 1988·131 cites·9 claims
- 2295US4609440AElectrochemical synthesis of methaneGAS RES INST·Filed 1985·Granted Sep 2, 1986·78 cites·4 claims
- 2395US4583936AFrequency modulated burner systemGAS RES INST·Filed 1983·Granted Apr 22, 1986·85 cites·19 claims
- 2494US5971745AFlame ionization control apparatus and methodGAS RES INST·Filed 1996·Granted Oct 26, 1999·132 cites·28 claims
- 2594US5346683AUncapped and thinned carbon nanotubes and processGAS RES INST·Filed 1993·Granted Sep 13, 1994·195 cites·22 claims
- 2694US5222993AIgnition system for water-cooled gas enginesGAS RES INST·Filed 1992·Granted Jun 29, 1993·118 cites·12 claims
- 2794US5172639ACornering pipe travelerGAS RES INST·Filed 1991·Granted Dec 22, 1992·173 cites·14 claims
- 2894US4930488AProcessor-controlled gas appliances and microprocessor-actuated valves for use thereinGAS RES INST·Filed 1988·Granted Jun 5, 1990·102 cites·14 claims
- 2994US4918995AElectronic gas meterGAS RES INST·Filed 1988·Granted Apr 24, 1990·140 cites·21 claims
- 3094US4905479AHybrid air conditioning systemGAS RES INST·Filed 1989·Granted Mar 6, 1990·95 cites·13 claims
- 3194US4854863AConvective heat transfer within an industrial heat treating furnaceGAS RES INST·Filed 1988·Granted Aug 8, 1989·37 cites·7 claims
- 3294US4804797AProduction of commodity chemicals from natural gas by methane chlorinationGAS RES INST·Filed 1987·Granted Feb 14, 1989·57 cites·12 claims
- 3393US6329785B1Pulse width modulated controlled induction motorGAS RES INST·Filed 2000·Granted Dec 11, 2001·72 cites·30 claims
- 3493US5738834ASystem for removal of hydrogen sulfide from a gas streamGAS RES INST·Filed 1997·Granted Apr 14, 1998·98 cites·6 claims
- 3593US5602758AInstallation link-up procedureGAS RES INST·Filed 1995·Granted Feb 11, 1997·112 cites·13 claims
- 3693US5590642AControl methods and apparatus for gas-fired combustorsGAS RES INST·Filed 1995·Granted Jan 7, 1997·90 cites·17 claims
- 3793US5475203AMethod and woven mesh heater comprising insulated and noninsulated wire for fusion welding of plastic piecesGAS RES INST·Filed 1994·Granted Dec 12, 1995·85 cites·31 claims
- 3893US5412184AIndustion heating toolGAS RES INST·Filed 1992·Granted May 2, 1995·72 cites·17 claims
- 3993US5051034AMagnetically detectable plastic pipeGAS RES INST·Filed 1989·Granted Sep 24, 1991·74 cites·19 claims
- 4093US5036210AMagnetically detectable plastic pipeGAS RES INST·Filed 1990·Granted Jul 30, 1991·89 cites·17 claims
- 4193US4789333AConvective heat transfer within an industrial heat treating furnaceGAS RES INST·Filed 1987·Granted Dec 6, 1988·35 cites·16 claims
- 4293US4694913AGuided earth boring toolGAS RES INST·Filed 1986·Granted Sep 22, 1987·111 cites·26 claims
- 4393US4491639AMethods of making high activity transition metal catalystsGAS RES INST·Filed 1982·Granted Jan 1, 1985·78 cites·14 claims
- 4492US6007325AUltra low emissions burnerGAS RES INST·Filed 1998·Granted Dec 28, 1999·76 cites·14 claims
- 4592US5779085AExpandable pin plug for automated useGAS RES INST·Filed 1997·Granted Jul 14, 1998·88 cites·19 claims
- 4692US5733516AProcess for removal of hydrogen sulfide from a gas streamGAS RES INST·Filed 1996·Granted Mar 31, 1998·89 cites·14 claims
- 4792US5706190AFault-tolerant HVAC systemGAS RES INST·Filed 1996·Granted Jan 6, 1998·106 cites·8 claims
- 4892US5380378AMethod and apparatus for batch coil annealing metal stripGAS RES INST·Filed 1993·Granted Jan 10, 1995·32 cites·19 claims
- 4992US5304767ALow emission induction heating coilGAS RES INST·Filed 1992·Granted Apr 19, 1994·74 cites·6 claims
- 5092US5224011AMultifunction protective relay systemGAS RES INST·Filed 1991·Granted Jun 29, 1993·190 cites·33 claims
Showing the top 50 of 634 patent records by PatentIndex Score.
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