Assignee
CONS NATURAL GAS SVC
US·45 granted patents·1,429 citations·filing 1975–1997
Top patents by PatentIndex Score
45 records- 0196US4850862APorous body combustor/regeneratorCONS NATURAL GAS SVC·Filed 1988·Granted Jul 25, 1989·64 cites·8 claims
- 0292US4779545AApparatus and method of reducing nitrogen oxide emissionsCONS NATURAL GAS SVC·Filed 1988·Granted Oct 25, 1988·72 cites·7 claims
- 0392US4313737AMethod for separating undesired components from coal by an explosion type comminution processCONS NATURAL GAS SVC·Filed 1980·Granted Feb 2, 1982·48 cites·42 claims
- 0491US5479966AQuick fill fuel charge processCONS NATURAL GAS SVC·Filed 1993·Granted Jan 2, 1996·89 cites·3 claims
- 0591US4510756ACogenerationCONS NATURAL GAS SVC·Filed 1982·Granted Apr 16, 1985·61 cites·18 claims
- 0690US5081977ALow pollution natural gas vehicleCONS NATURAL GAS SVC·Filed 1990·Granted Jan 21, 1992·83 cites·7 claims
- 0786US5366153AHeat pump system with refrigerant isolation and heat storageCONS NATURAL GAS SVC·Filed 1994·Granted Nov 22, 1994·61 cites·3 claims
- 0885US5495829AWater heater with thermoelectric module and through-chamber heat sinkCONS NATURAL GAS SVC·Filed 1994·Granted Mar 5, 1996·55 cites·24 claims
- 0985US5226594AHot water storage tank heat exchanger systemCONS NATURAL GAS SVC·Filed 1992·Granted Jul 13, 1993·48 cites·5 claims
- 1085US4455863ASonic detection of gas leaks in underground pipesCONS NATURAL GAS SVC·Filed 1982·Granted Jun 26, 1984·41 cites·29 claims
- 1183US5390646ASecond stage intercooling with phase change heat transfer fluidCONS NATURAL GAS SVC·Filed 1993·Granted Feb 21, 1995·38 cites·4 claims
- 1282US4976464AFuel-fired heat pump systemCONS NATURAL GAS SVC·Filed 1989·Granted Dec 11, 1990·36 cites·8 claims
- 1382US4501253AOn-board automotive methane compressorCONS NATURAL GAS SVC·Filed 1982·Granted Feb 26, 1985·43 cites·11 claims
- 1480US5915310AApparatus and method for NOx reduction by selective injection of natural gas jets in flue gasCONS NATURAL GAS SVC·Filed 1995·Granted Jun 29, 1999·41 cites·28 claims
- 1579US4374540APneumatic transport and heat exchange systemsCONS NATURAL GAS SVC·Filed 1979·Granted Feb 22, 1983·27 cites·58 claims
- 1677US5078064AApparatus and method of lowering NOx emissions using diffusion processesCONS NATURAL GAS SVC·Filed 1990·Granted Jan 7, 1992·47 cites·40 claims
- 1776US5630328ANatural gas conditioning facilityCONS NATURAL GAS SVC·Filed 1995·Granted May 20, 1997·39 cites·25 claims
- 1875US4111687AProcess for the production of intermediate hot metalCONS NATURAL GAS SVC·Filed 1976·Granted Sep 5, 1978·21 cites·21 claims
- 1974US3990831ARecirculating burnerCONS NATURAL GAS SVC·Filed 1975·Granted Nov 9, 1976·26 cites·14 claims
- 2072US4178772AHeat pump systemCONS NATURAL GAS SVC·Filed 1977·Granted Dec 18, 1979·24 cites·40 claims
- 2171US5216876AMethod for reducing nitrogen oxide emissions from gas turbinesCONS NATURAL GAS SVC·Filed 1990·Granted Jun 8, 1993·29 cites·20 claims
- 2271US5207164AProcess to limit the production of flyash by dry bottom boilersCONS NATURAL GAS SVC·Filed 1992·Granted May 4, 1993·29 cites·26 claims
- 2370US4910414ABottoming cycleCONS NATURAL GAS SVC·Filed 1989·Granted Mar 20, 1990·31 cites·3 claims
- 2468US4831830AFuel-fired chilling systemCONS NATURAL GAS SVC·Filed 1987·Granted May 23, 1989·32 cites·7 claims
- 2567US4055964AHeat pump systemCONS NATURAL GAS SVC·Filed 1976·Granted Nov 1, 1977·26 cites·15 claims
- 2666US5549096ALoad control of a spare ignited engine without throttling and method of operationCONS NATURAL GAS SVC·Filed 1995·Granted Aug 27, 1996·24 cites·22 claims
- 2765US4312188AHeat pump systemCONS NATURAL GAS SVC·Filed 1979·Granted Jan 26, 1982·18 cites·1 claims
- 2865US4003691ARecirculating burnerCONS NATURAL GAS SVC·Filed 1975·Granted Jan 18, 1977·18 cites·2 claims
- 2964US5320166AHeat pump system with refrigerant isolation and heat storageCONS NATURAL GAS SVC·Filed 1993·Granted Jun 14, 1994·24 cites·10 claims
- 3064US5181475AApparatus and process for control of nitric oxide emissions from combustion devices using vortex rings and the likeCONS NATURAL GAS SVC·Filed 1992·Granted Jan 26, 1993·22 cites·22 claims
- 3164US3994665ARecirculating burnerCONS NATURAL GAS SVC·Filed 1975·Granted Nov 30, 1976·27 cites·6 claims
- 3261US5949153AMulti-engine controllerCONS NATURAL GAS SVC·Filed 1997·Granted Sep 7, 1999·54 cites·24 claims
- 3359US4960059ALow NOx burner operations with natural gas cofiringCONS NATURAL GAS SVC·Filed 1989·Granted Oct 2, 1990·18 cites·41 claims
- 3455US5507146AMethod and apparatus for condensing fugitive methane vaporsCONS NATURAL GAS SVC·Filed 1994·Granted Apr 16, 1996·16 cites·14 claims
- 3554US5192022AFuel-fired heat pump systemCONS NATURAL GAS SVC·Filed 1992·Granted Mar 9, 1993·20 cites·12 claims
- 3651US5044286AProcess to eliminate production of fly ash by wet bottom boilersCONS NATURAL GAS SVC·Filed 1989·Granted Sep 3, 1991·12 cites·17 claims
- 3750US5253805AHeat pump system with refrigerant isolationCONS NATURAL GAS SVC·Filed 1992·Granted Oct 19, 1993·18 cites·14 claims
- 3845US5276254AProcess to stabilize scrubber sludgeCONS NATURAL GAS SVC·Filed 1992·Granted Jan 4, 1994·5 cites·20 claims
- 3943US5141726AProcess for reducng Nox emissions from combustion devicesCONS NATURAL GAS SVC·Filed 1990·Granted Aug 25, 1992·10 cites·25 claims
- 4041US5241915AApparatus and method to improve pulverizer and reduce NOx emissions in coal-fired boilersCONS NATURAL GAS SVC·Filed 1992·Granted Sep 7, 1993·9 cites·20 claims
- 4139US4116611AGaseous and liquid fuel burnerCONS NATURAL GAS SVC·Filed 1976·Granted Sep 26, 1978·6 cites·7 claims
- 4235US4575948APneumatic transport and heat exchange systemsCONS NATURAL GAS SVC·Filed 1983·Granted Mar 18, 1986·5 cites·12 claims
- 4334US5042404AMethod of retaining sulfur in ash during coal combustionCONS NATURAL GAS SVC·Filed 1990·Granted Aug 27, 1991·6 cites·12 claims
- 4431US4932337AMethod to improve the performance of low-NOx burners operating on difficult to stabilize coalsCONS NATURAL GAS SVC·Filed 1988·Granted Jun 12, 1990·3 cites·18 claims
- 4530US4848251AMethod to enhance removal of sulfur compounds by slagCONS NATURAL GAS SVC·Filed 1988·Granted Jul 18, 1989·3 cites·8 claims
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