Assignee
BABCOCK HITACHI KK
JP·166 granted patents·19 pending applications·3,795 citations·filing 1977–2014
Top patents by PatentIndex Score
185 records- 0196US4403941ACombustion process for reducing nitrogen oxidesBABCOCK HITACHI KK·Filed 1980·Granted Sep 13, 1983·126 cites·12 claims
- 0296US4338283AFluidized bed combustorBABCOCK HITACHI KK·Filed 1980·Granted Jul 6, 1982·77 cites·6 claims
- 0392US4254322ANarrow weld-groove welding process and apparatus thereforBABCOCK HITACHI KK·Filed 1978·Granted Mar 3, 1981·42 cites·10 claims
- 0492US4188526ANarrow weld-groove welding processBABCOCK HITACHI KK·Filed 1977·Granted Feb 12, 1980·41 cites·11 claims
- 0591US5648048AWet-type flue gas desulfurization plantBABCOCK HITACHI KK·Filed 1994·Granted Jul 15, 1997·101 cites·32 claims
- 0691US4187282AProcess for treating a waste gas containing sulfur oxidesBABCOCK HITACHI KK·Filed 1977·Granted Feb 5, 1980·50 cites·18 claims
- 0790US7842644B2Catalyst for oxidation of metal mercuryBABCOCK HITACHI KK·Filed 2007·Granted Nov 30, 2010·23 cites·12 claims
- 0890US6715432B2Solid fuel burner and method of combustion using solid fuel burnerBABCOCK HITACHI KK·Filed 2002·Granted Apr 6, 2004·44 cites·53 claims
- 0990US5937770APulverized coal burnerBABCOCK HITACHI KK·Filed 1997·Granted Aug 17, 1999·65 cites·8 claims
- 1090US4709155AFlame detector for use with a burnerBABCOCK HITACHI KK·Filed 1985·Granted Nov 24, 1987·110 cites·16 claims
- 1190US4614856AHot-wire TIG welding apparatusBABCOCK HITACHI KK·Filed 1984·Granted Sep 30, 1986·52 cites·9 claims
- 1290US4571329AAmmonia reduction-denitration process and apparatus thereforBABCOCK HITACHI KK·Filed 1984·Granted Feb 18, 1986·66 cites·10 claims
- 1390US4308806AIncinerator for burning waste and a method of utilizing sameBABCOCK HITACHI KK·Filed 1979·Granted Jan 5, 1982·67 cites·7 claims
- 1489US5007240AHybrid Rankine cycle systemBABCOCK HITACHI KK·Filed 1989·Granted Apr 16, 1991·73 cites·8 claims
- 1589US4904843AAC TIG welding apparatus using hot wireBABCOCK HITACHI KK·Filed 1988·Granted Feb 27, 1990·70 cites·14 claims
- 1689US4828059AWall-crawling machineBABCOCK HITACHI KK·Filed 1987·Granted May 9, 1989·56 cites·6 claims
- 1789US4628182AHot-wire TIG welding apparatusBABCOCK HITACHI KK·Filed 1985·Granted Dec 9, 1986·59 cites·7 claims
- 1889US4545307AApparatus for coal combustionBABCOCK HITACHI KK·Filed 1984·Granted Oct 8, 1985·60 cites·17 claims
- 1988US4687649AFlue gas desulfurization processBABCOCK HITACHI KK·Filed 1984·Granted Aug 18, 1987·48 cites·9 claims
- 2087US7833501B2Method and apparatus for treating discharge gasBABCOCK HITACHI KK·Filed 2007·Granted Nov 16, 2010·22 cites·14 claims
- 2187US7770528B2Solid fuel burner, solid fuel burner combustion method, combustion apparatus and combustion apparatus operation methodBABCOCK HITACHI KK·Filed 2006·Granted Aug 10, 2010·9 cites·19 claims
- 2287US4461629AHeat recovery process in coal gasificationBABCOCK HITACHI KK·Filed 1982·Granted Jul 24, 1984·48 cites·15 claims
- 2386US7878130B2Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facilityBABCOCK HITACHI KK·Filed 2005·Granted Feb 1, 2011·19 cites·5 claims
- 2486US5635091ATips for welding and their manufacturing processBABCOCK HITACHI KK·Filed 1994·Granted Jun 3, 1997·68 cites·31 claims
- 2586US4751054AApparatus for removing NOx from a gasBABCOCK HITACHI KK·Filed 1986·Granted Jun 14, 1988·67 cites·8 claims
- 2686US4487784ALimestone-gypsum flue gas desulfurization processBABCOCK HITACHI KK·Filed 1982·Granted Dec 11, 1984·57 cites·31 claims
- 2786US4455281APlate-shaped catalyst unit for NOx reduction of exhaust gasBABCOCK HITACHI KK·Filed 1981·Granted Jun 19, 1984·40 cites·3 claims
- 2885US4888953AApparatus for controlling boiler/turbine plantBABCOCK HITACHI KK·Filed 1988·Granted Dec 26, 1989·52 cites·5 claims
- 2985US4828486AFluidized bed combustor and a method of operating sameBABCOCK HITACHI KK·Filed 1981·Granted May 9, 1989·23 cites·23 claims
- 3084US8920548B2CO2 capture system by chemical absorptionBABCOCK HITACHI KK·Filed 2012·Granted Dec 30, 2014·10 cites·2 claims
- 3184US6938560B2Solid fuel boiler and method of operating combustion apparatusBABCOCK HITACHI KK·Filed 2003·Granted Sep 6, 2005·25 cites·16 claims
- 3284US6237510B1Combustion burner and combustion device provided with sameBABCOCK HITACHI KK·Filed 1997·Granted May 29, 2001·53 cites·38 claims
- 3384US5409681ACatalyst for purifying exhaust gasBABCOCK HITACHI KK·Filed 1992·Granted Apr 25, 1995·60 cites·14 claims
- 3483US5090339ABurner apparatus for pulverized coalBABCOCK HITACHI KK·Filed 1990·Granted Feb 25, 1992·45 cites·5 claims
- 3583US5043146ADenitration reactorBABCOCK HITACHI KK·Filed 1988·Granted Aug 27, 1991·62 cites·6 claims
- 3683US4925825ACatalyst for removing nitrogen oxidesBABCOCK HITACHI KK·Filed 1988·Granted May 15, 1990·38 cites·8 claims
- 3783US4807541AApparatus for low concentration NOx combustionBABCOCK HITACHI KK·Filed 1988·Granted Feb 28, 1989·38 cites·13 claims
- 3881US7654396B2Classifier, vertical crusher having the classifier, and coal fired boiler apparatus having the vertical crusherBABCOCK HITACHI KK·Filed 2005·Granted Feb 2, 2010·12 cites·11 claims
- 3981US5894901AEndless track magnetic traveling deviceBABCOCK HITACHI KK·Filed 1995·Granted Apr 20, 1999·72 cites·34 claims
- 4081US4798813ACatalyst for removing nitrogen oxide and process for producing the catalystBABCOCK HITACHI KK·Filed 1987·Granted Jan 17, 1989·47 cites·14 claims
- 4181US4285838AMethod of producing plate-shaped catalyst unit for NOx reduction of exhaust gasBABCOCK HITACHI KK·Filed 1978·Granted Aug 25, 1981·26 cites·14 claims
- 4280US6889619B2Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatusBABCOCK HITACHI KK·Filed 2002·Granted May 10, 2005·18 cites·13 claims
- 4380US4501233AHeat recovery steam generatorBABCOCK HITACHI KK·Filed 1983·Granted Feb 26, 1985·39 cites·13 claims
- 4479US6152051APowered fuel combustion burner with nozzle flow guideBABCOCK HITACHI KK·Filed 1997·Granted Nov 28, 2000·39 cites·5 claims
- 4579US4773917ACoal gasifierBABCOCK HITACHI KK·Filed 1986·Granted Sep 27, 1988·28 cites·2 claims
- 4679US4613084AProcess for producing a coal-water slurryBABCOCK HITACHI KK·Filed 1984·Granted Sep 23, 1986·27 cites·15 claims
- 4778US7553153B2Burner and combustion method for solid fuelsBABCOCK HITACHI KK·Filed 2006·Granted Jun 30, 2009·9 cites·2 claims
- 4878US4799461AWaste heat recovery boilerBABCOCK HITACHI KK·Filed 1988·Granted Jan 24, 1989·36 cites·8 claims
- 4976US6890673B2Hydrogen producing apparatus and power generating system using itBABCOCK HITACHI KK·Filed 2002·Granted May 10, 2005·16 cites·13 claims
- 5076US4177742AIncinerator for burning waste and a method of utilizing sameBABCOCK HITACHI KK·Filed 1978·Granted Dec 11, 1979·30 cites·6 claims
Showing the top 50 of 185 patent records by PatentIndex Score.
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