Inventor · disambiguated record
Wolfgang Fennemann
Also filed as: FENNEMANN WOLFGANG
14 granted patents·149 citations·filing 1981–1993
92Inventor score
Files withMETALLGESELLSCHAFT AG14
Top patents by PatentIndex Score
14 records- 0188US4548797AProcess of removing pollutants from exhaust gasesMETALLGESELLSCHAFT AG·Filed 1983·Granted Oct 22, 1985·55 cites·12 claims
- 0264US4330342AProcess for regenerating spent pickle liquid containing ZrF4METALLGESELLSCHAFT AG·Filed 1981·Granted May 18, 1982·15 cites·11 claims
- 0352US4766104AProcess for producing a V2 O5 -and-alkali-metal-sulfate-containing catalyst for oxidizing SO2 to SO3METALLGESELLSCHAFT AG·Filed 1987·Granted Aug 23, 1988·10 cites·6 claims
- 0451US4842835AProcess of purifying flue gasesMETALLGESELLSCHAFT AG·Filed 1987·Granted Jun 27, 1989·11 cites·8 claims
- 0548US5116798AProcess for producing catalysts and impregnating solutions and catalysts produced by the processMETALLGESELLSCHAFT AG·Filed 1991·Granted May 26, 1992·12 cites·13 claims
- 0645US4399118AProcess of recovering anhydrous zirconium tetrafluorideMETALLGESELLSCHAFT AG·Filed 1981·Granted Aug 16, 1983·4 cites·15 claims
- 0744US5219543AProcess and apparatus for removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gasesMETALLGESELLSCHAFT AG·Filed 1991·Granted Jun 15, 1993·12 cites·9 claims
- 0843US4680281AProcess of producing a V2 O5 -and-alkali-metal-sulfate-containing catalyst for oxidizing SO2 to SO3METALLGESELLSCHAFT AG·Filed 1985·Granted Jul 14, 1987·5 cites·4 claims
- 0942US4851202AProcess for the simultaneous removal of nitrogen oxides and sulfur dioxide from an oxygen-containing exhaust gasMETALLGESELLSCHAFT AG·Filed 1988·Granted Jul 25, 1989·9 cites·21 claims
- 1038US4431573AMethod of producing an alkali sulfate catalyst V2 O5METALLGESELLSCHAFT AG·Filed 1981·Granted Feb 14, 1984·6 cites·10 claims
- 1134US5437849AMethod of processing vanadium-containing residuesMETALLGESELLSCHAFT AG·Filed 1993·Granted Aug 1, 1995·2 cites·5 claims
- 1233US4950139AProcess of catalytically reducing NOMETALLGESELLSCHAFT AG·Filed 1989·Granted Aug 21, 1990·6 cites·4 claims
- 1326US4937054AMethod of regenerating ZrF4 pickling solutionsMETALLGESELLSCHAFT AG·Filed 1989·Granted Jun 26, 1990·1 cites·26 claims
- 1424US5198020ARemoval of zinc from phosphating process sludgesMETALLGESELLSCHAFT AG·Filed 1992·Granted Mar 30, 1993·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →