Inventor · disambiguated record
Wilhelm Stewen
Also filed as: STEWEN WILHELM
13 granted patents·260 citations·filing 1981–1992
92Inventor score
Top patents by PatentIndex Score
13 records- 0193US4614567AMethod and apparatus for selective after-quenching of coke on a coke benchSTILL CARL GMBH CO KG·Filed 1984·Granted Sep 30, 1986·102 cites·20 claims
- 0287US4385962AMethod for the production of cokeRUHRKOHLE AG·Filed 1981·Granted May 31, 1983·54 cites·1 claims
- 0374US5238252AShut-off fittings with a sealing deviceSCHILLING H EISENWERK·Filed 1991·Granted Aug 24, 1993·47 cites·14 claims
- 0461US4580908AThermometer for coke oven chamber wallsOTTO & CO GMBH DR C·Filed 1982·Granted Apr 8, 1986·17 cites·4 claims
- 0559US4481011ACoke oven charge mixtures with coal binderRUHRKOHLE AG·Filed 1982·Granted Nov 6, 1984·7 cites·8 claims
- 0653US4421604AProcedure to control quality of coalRUHRKOHLE AG·Filed 1981·Granted Dec 20, 1983·6 cites·11 claims
- 0746US5150543ADoorRUHRKOHLE AG·Filed 1990·Granted Sep 29, 1992·7 cites·24 claims
- 0838US5137602AHeating chamber for a coke oven and method of heating a coke ovenOTTO FEUERFEST GMBH·Filed 1991·Granted Aug 11, 1992·4 cites·20 claims
- 0936US5598149ACommercial-size, automatic industrial plant having several partsSIEMENS AG·Filed 1992·Granted Jan 28, 1997·10 cites·23 claims
- 1034US4502922ACoke oven chamber doorSTEWEN WILHELM·Filed 1983·Granted Mar 5, 1985·2 cites·5 claims
- 1128US4986032ADoorRUHRKOHLE AG·Filed 1990·Granted Jan 22, 1991·2 cites·14 claims
- 1227US5279713ADoorRUHRKOHLE AG·Filed 1992·Granted Jan 18, 1994·0 cites·14 claims
- 1325US5421963ACoke-feeding device with housing for a dry cooling installation for cokeRUHRKOHLE AG·Filed 1991·Granted Jun 6, 1995·2 cites·10 claims
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