Inventor · disambiguated record
Richard W. Lehmann
Also filed as: LEHMANN RICHARD W
13 granted patents·1 pending application·407 citations·filing 1982–2014
93Inventor score
Files withZIMPRO ENVIRONMENTAL INC6STERLING DRUG INC2UNITED STATES FILTER CORP2KUMFER BRYAN J1SIEMENS ENERGY INC1
Top patents by PatentIndex Score
14 records- 0195US5240619ATwo-stage subcritical-supercritical wet oxidationZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Aug 31, 1993·107 cites·16 claims
- 0293US5183577AProcess for treatment of wastewater containing inorganic ammonium saltsZIMPRO ENVIRONMENTAL INC·Filed 1992·Granted Feb 2, 1993·97 cites·21 claims
- 0390US9630867B2Treatment of spent caustic wasteSIEMENS ENERGY INC·Filed 2014·Granted Apr 25, 2017·6 cites·20 claims
- 0483US5192453AWet oxidation process for ACN waste streamsSTANDARD OIL CO OHIO·Filed 1992·Granted Mar 9, 1993·55 cites·9 claims
- 0576US8734648B2Treatment of spent caustic wasteKUMFER BRYAN J·Filed 2008·Granted May 27, 2014·6 cites·19 claims
- 0671US5389264AHydraulic energy dissipator for wet oxidation processZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Feb 14, 1995·29 cites·6 claims
- 0762US4461743AOxygen injection nozzle for wet oxidation reactorsSTERLING DRUG INC·Filed 1982·Granted Jul 24, 1984·21 cites·5 claims
- 0861US7850822B2System and method of wet oxidation of a viscose process streamSIEMENS WATER TECH HOLDG CORP·Filed 2004·Granted Dec 14, 2010·2 cites·5 claims
- 0958US5651897AWet oxidation of high strength liquors with high solids contentZIMPRO ENVIRONMENTAL INC·Filed 1996·Granted Jul 29, 1997·23 cites·21 claims
- 1055US5262060AWet oxidation of ammonium salt containing liquorsZIMPRO ENVIRONMENTAL INC·Filed 1992·Granted Nov 16, 1993·20 cites·18 claims
- 1150US6190564B1Two-stage separation processUNITED STATES FILTER CORP·Filed 1998·Granted Feb 20, 2001·17 cites·23 claims
- 1248US5234607AWet oxidation system startup processZIMPRO ENVIRONMENTAL INC·Filed 1992·Granted Aug 10, 1993·17 cites·12 claims
- 1344US4395339AMethod of operating pure oxygen wet oxidation systemsSTERLING DRUG INC·Filed 1982·Granted Jul 26, 1983·7 cites·8 claims
- 1444US2005171390A1Wet oxidation process and systemUNITED STATES FILTER CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →