Assignee
COEN CO
US·31 granted patents·1 pending application·715 citations·filing 1976–2005
Top patents by PatentIndex Score
32 records- 0190US4303386AParallel flow burnerCOEN CO·Filed 1979·Granted Dec 1, 1981·55 cites·28 claims
- 0286US6027330ALow NOx fuel gas burnerCOEN CO·Filed 1997·Granted Feb 22, 2000·55 cites·50 claims
- 0382US7422427B2Energy efficient low NOx burner and method of operating sameCOEN CO·Filed 2005·Granted Sep 9, 2008·7 cites·18 claims
- 0482US4823114AFlame scanning systemCOEN CO·Filed 1983·Granted Apr 18, 1989·47 cites·7 claims
- 0582US4387654AMethod for firing a rotary kiln with pulverized solid fuelCOEN CO·Filed 1981·Granted Jun 14, 1983·35 cites·15 claims
- 0680US6301875B1Turbine exhaust gas duct heaterCOEN CO·Filed 2000·Granted Oct 16, 2001·36 cites·13 claims
- 0780US5460512AVibration-resistant low NOx burnerCOEN CO·Filed 1994·Granted Oct 24, 1995·46 cites·14 claims
- 0880US5049786AHigh energy ignitor power circuitCOEN CO·Filed 1990·Granted Sep 17, 1991·25 cites·28 claims
- 0980US4488869AHigh efficiency, low NOX emitting, staged combustion burnerCOEN CO·Filed 1982·Granted Dec 18, 1984·36 cites·39 claims
- 1078US5099879ACombustion air flow stabilizerCOEN CO·Filed 1991·Granted Mar 31, 1992·58 cites·9 claims
- 1177US6062848AVibration-resistant low NOx burnerCOEN CO·Filed 1998·Granted May 16, 2000·38 cites·29 claims
- 1272US5224539ACooling system for air heaters and the likeCOEN CO·Filed 1991·Granted Jul 6, 1993·16 cites·27 claims
- 1370US5310337AVibration-resistant low NOx burnerCOEN CO·Filed 1993·Granted May 10, 1994·31 cites·27 claims
- 1466US4356970AEnergy saving fuel oil atomizerCOEN CO·Filed 1980·Granted Nov 2, 1982·27 cites·38 claims
- 1562US4511325ASystem for the reduction of NOx emissionsCOEN CO·Filed 1982·Granted Apr 16, 1985·18 cites·7 claims
- 1661US4462795AMethod of operating a wall fired duct heaterCOEN CO·Filed 1983·Granted Jul 31, 1984·13 cites·3 claims
- 1761US4310299AMethod for firing a rotary kiln with pulverized solid fuelCOEN CO·Filed 1980·Granted Jan 12, 1982·18 cites·7 claims
- 1860US4421473AApparatus for operating a burner at an optimal levelCOEN CO·Filed 1981·Granted Dec 20, 1983·17 cites·6 claims
- 1960US4362274ADual fuel atomizerCOEN CO·Filed 1980·Granted Dec 7, 1982·15 cites·13 claims
- 2058US6929470B1Low NOx duct burnerCOEN CO·Filed 2003·Granted Aug 16, 2005·10 cites·22 claims
- 2155US6453852B1Temperature stratified superheater and duct burnerCOEN CO·Filed 2000·Granted Sep 24, 2002·11 cites·14 claims
- 2252US4047489AIntegrated process for preparing and firing bagasse and the like for steam power generationCOEN CO·Filed 1976·Granted Sep 13, 1977·12 cites·7 claims
- 2351US4685882APulverized fuel slurry burner and method of operating sameCOEN CO·Filed 1985·Granted Aug 11, 1987·14 cites·27 claims
- 2450US4286945AWall fired duct heaterCOEN CO·Filed 1979·Granted Sep 1, 1981·11 cites·47 claims
- 2547US5102329AHigh intensity burnerCOEN CO·Filed 1991·Granted Apr 7, 1992·14 cites·23 claims
- 2647US4375952AWall fired duct heaterCOEN CO·Filed 1980·Granted Mar 8, 1983·8 cites·11 claims
- 2747US4301747AHigh temperature furnace with improved slag tapCOEN CO·Filed 1979·Granted Nov 24, 1981·11 cites·30 claims
- 2846US4628832ADual fuel pilot burner for a furnaceCOEN CO·Filed 1986·Granted Dec 16, 1986·10 cites·8 claims
- 2944US2004209130A1Fuel cell anode gas oxidizing apparatus and processCOEN CO·Filed 2004·Application pending·0 cites
- 3042US4726761AMethod and apparatus for introducing combustion air into a combustion chamberCOEN CO·Filed 1987·Granted Feb 23, 1988·9 cites·12 claims
- 3137US4201539AFlame forming burnerCOEN CO·Filed 1978·Granted May 6, 1980·6 cites·6 claims
- 3232US4168785AScanner mounting system for tangential fired boilerCOEN CO·Filed 1978·Granted Sep 25, 1979·6 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →