Assignee
RHEINISCHE BRAUNKOHLENW AG
DE·44 granted patents·600 citations·filing 1974–1999
Top patents by PatentIndex Score
44 records- 0184US4982027AProcess for the reprocessing of carbon containing wastesRHEINISCHE BRAUNKOHLENW AG·Filed 1989·Granted Jan 1, 1991·68 cites·19 claims
- 0282US4059496AProcess for the preparation of sulfuric acid from sulphur dioxideRHEINISCHE BRAUNKOHLENW AG·Filed 1976·Granted Nov 22, 1977·26 cites·3 claims
- 0380US4478725AProcess for the oxidation of hydrogen sulphide dissolved in the waste water from a coal gasification processRHEINISCHE BRAUNKOHLENW AG·Filed 1983·Granted Oct 23, 1984·49 cites·8 claims
- 0478US4569228AProbe tube which can be introduced into a reaction container for detecting the operating condition of a mediumRHEINISCHE BRAUNKOHLENW AG·Filed 1983·Granted Feb 11, 1986·28 cites·7 claims
- 0577US5144317AMethod of determining mining progress in open cast mining by means of satellite geodesyRHEINISCHE BRAUNKOHLENW AG·Filed 1991·Granted Sep 1, 1992·59 cites·9 claims
- 0674US4881949AMethod of starting a gasifierRHEINISCHE BRAUNKOHLENW AG·Filed 1988·Granted Nov 21, 1989·25 cites·5 claims
- 0766US3980447AProcess for the manufacture of brown coal briquettesRHEINISCHE BRAUNKOHLENW AG·Filed 1974·Granted Sep 14, 1976·14 cites·20 claims
- 0865US4554388AProcess for isomerization and transalkylation of alkylphenolsRHEINISCHE BRAUNKOHLENW AG·Filed 1984·Granted Nov 19, 1985·7 cites·10 claims
- 0965US3954444AProcess for the direct reduction of iron oresRHEINISCHE BRAUNKOHLENW AG·Filed 1974·Granted May 4, 1976·13 cites·8 claims
- 1064US4080436AThermoelectrochemical cyclical process for production of hydrogen and oxygen from waterRHEINISCHE BRAUNKOHLENW AG·Filed 1977·Granted Mar 21, 1978·15 cites·7 claims
- 1163US4428769AProcess for injecting a reducing agent including ash-bearing bituminous coal into the hearth of a blast furnaceRHEINISCHE BRAUNKOHLENW AG·Filed 1981·Granted Jan 31, 1984·16 cites·10 claims
- 1260US4931260AProcess and apparatus for the treatment of granular solid materials in a fluidized layerRHEINISCHE BRAUNKOHLENW AG·Filed 1988·Granted Jun 5, 1990·22 cites·14 claims
- 1358US4578226AVenturi scrubber for dust-laden gasesRHEINISCHE BRAUNKOHLENW AG·Filed 1984·Granted Mar 25, 1986·21 cites·8 claims
- 1457US4659557AProcess for producing ferrous sulphate in granule formRHEINISCHE BRAUNKOHLENW AG·Filed 1983·Granted Apr 21, 1987·8 cites·13 claims
- 1557US4464479AMethod for treating red mudRHEINISCHE BRAUNKOHLENW AG·Filed 1983·Granted Aug 7, 1984·13 cites·19 claims
- 1656US4740217AGasification process using fluidized bed reactor with concentric inletsRHEINISCHE BRAUNKOHLENW AG·Filed 1986·Granted Apr 26, 1988·11 cites·3 claims
- 1756US4450777AProcess for removing noxious substances containing fluorine and/or sulfur from gaseous or liquid mediaRHEINISCHE BRAUNKOHLENW AG·Filed 1983·Granted May 29, 1984·19 cites·6 claims
- 1856US4117102AThermochemical process for producing methane and oxygen from carbon oxides and waterRHEINISCHE BRAUNKOHLENW AG·Filed 1977·Granted Sep 26, 1978·4 cites·12 claims
- 1955US4498632AProcess for grind-drying wet solid fuelRHEINISCHE BRAUNKOHLENW AG·Filed 1982·Granted Feb 12, 1985·17 cites·7 claims
- 2055US4447319AProcess for separating sand from a brown coal or lignite material containing sandRHEINISCHE BRAUNKOHLENW AG·Filed 1982·Granted May 8, 1984·17 cites·14 claims
- 2154US4930359AApparatus for preparing samples from a flow of bulk materialRHEINISCHE BRAUNKOHLENW AG·Filed 1989·Granted Jun 5, 1990·21 cites·11 claims
- 2247US4726936AApparatus for injecting a substance into a reaction vesselRHEINISCHE BRAUNKOHLENW AG·Filed 1984·Granted Feb 23, 1988·9 cites·6 claims
- 2346US4717182APlastic coupling sleeve for pipesRHEINISCHE BRAUNKOHLENW AG·Filed 1986·Granted Jan 5, 1988·16 cites·13 claims
- 2445US4494960AProcess for the production of pumpable coal slurriesRHEINISCHE BRAUNKOHLENW AG·Filed 1981·Granted Jan 22, 1985·8 cites·9 claims
- 2545US4266968AProcess for injecting brown coal into a blast furnaceRHEINISCHE BRAUNKOHLENW AG·Filed 1980·Granted May 12, 1981·7 cites·26 claims
- 2644US4056607AThermochemical process for the production of hydrogen and oxygen from waterRHEINISCHE BRAUNKOHLENW AG·Filed 1977·Granted Nov 1, 1977·5 cites·5 claims
- 2742US4779412APower generation process using a gas turbineRHEINISCHE BRAUNKOHLENW AG·Filed 1987·Granted Oct 25, 1988·11 cites·12 claims
- 2842US4039651AProcess for closed-cycle thermochemical production of hydrogen and oxygen from waterRHEINISCHE BRAUNKOHLENW AG·Filed 1975·Granted Aug 2, 1977·7 cites·2 claims
- 2940US4852994AProcess for the production of gas containing hydrogen and carbon monoxide from solid fuelRHEINISCHE BRAUNKOHLENW AG·Filed 1987·Granted Aug 1, 1989·5 cites·16 claims
- 3038US4518567AReactor for the gasification of solid carbonaceous materialsRHEINISCHE BRAUNKOHLENW AG·Filed 1982·Granted May 21, 1985·6 cites·20 claims
- 3138US4085200AThermochemical process for producing methane and oxygenRHEINISCHE BRAUNKOHLENW AG·Filed 1977·Granted Apr 18, 1978·1 cites·16 claims
- 3237US4109701AMethod of conveying heat energyRHEINISCHE BRAUNKOHLENW AG·Filed 1975·Granted Aug 29, 1978·10 cites·3 claims
- 3334US4163464AArrangement for filling a vessel which is to be put under high pressure, with freely flowing solidsRHEINISCHE BRAUNKOHLENW AG·Filed 1978·Granted Aug 7, 1979·7 cites·3 claims
- 3433US4695789AProbe devicesRHEINISCHE BRAUNKOHLENW AG·Filed 1985·Granted Sep 22, 1987·9 cites·8 claims
- 3533US4406747AApparatus for the cooling of solid residues of gasificationRHEINISCHE BRAUNKOHLENW AG·Filed 1981·Granted Sep 27, 1983·4 cites·5 claims
- 3631US4011305AProcess for obtaining hydrogen and oxygen from waterRHEINISCHE BRAUNKOHLENW AG·Filed 1974·Granted Mar 8, 1977·1 cites·5 claims
- 3730US4919687AApparatus for the production of gas containing hydrogen and carbon monoxide from solid fuelRHEINISCHE BRAUNKOHLENW AG·Filed 1989·Granted Apr 24, 1990·2 cites·4 claims
- 3830US4463690AFurnace chamber lining structureRHEINISCHE BRAUNKOHLENW AG·Filed 1982·Granted Aug 7, 1984·3 cites·12 claims
- 3930US4013781AProcess for obtaining hydrogen and oxygen from water using iron and chlorineRHEINISCHE BRAUNKOHLENW AG·Filed 1974·Granted Mar 22, 1977·0 cites·5 claims
- 4029US6352108B1Well pipeRHEINISCHE BRAUNKOHLENW AG·Filed 1999·Granted Mar 5, 2002·6 cites·30 claims
- 4128US3932599AMethod of obtaining hydrogen from steamRHEINISCHE BRAUNKOHLENW AG·Filed 1975·Granted Jan 13, 1976·3 cites·1 claims
- 4226US4839148AMethod of removing SOx and NOx from effluent gasRHEINISCHE BRAUNKOHLENW AG·Filed 1987·Granted Jun 13, 1989·6 cites·7 claims
- 4324US4145402AProcess for the production of hydrogen and oxygen from waterRHEINISCHE BRAUNKOHLENW AG·Filed 1977·Granted Mar 20, 1979·0 cites·3 claims
- 4419US4652407AGas cooling and washing apparatusRHEINISCHE BRAUNKOHLENW AG·Filed 1985·Granted Mar 24, 1987·1 cites·7 claims
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