Inventor · disambiguated record
William M. Copa
Also filed as: COPA WILLIAM M · PRADT LOUIS A
14 granted patents·2 pending applications·853 citations·filing 1973–2009
95Inventor score
Files withZIMPRO ENVIRONMENTAL INC4ZIMPRO PASSAVANT INC3STERLING DRUG INC2UNITED STATES FILTER CORP2FMC PROPERTIES LLC1
Top patents by PatentIndex Score
16 records- 0197US4265747ADisinfection and purification of fluids using focused laser radiationSTERLING DRUG INC·Filed 1979·Granted May 5, 1981·139 cites·17 claims
- 0296US4919815ATwo-stage anaerobic/aerobic treatment processZIMPRO PASSAVANT INC·Filed 1989·Granted Apr 24, 1990·143 cites·27 claims
- 0395US5240619ATwo-stage subcritical-supercritical wet oxidationZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Aug 31, 1993·107 cites·16 claims
- 0485US5641413ARemoval of nitrogen from wastewatersZIMPRO ENVIRONMENTAL INC·Filed 1995·Granted Jun 24, 1997·69 cites·14 claims
- 0585US4810386ATwo-stage wastewater treatmentZIMPRO PASSAVANT INC·Filed 1988·Granted Mar 7, 1989·58 cites·22 claims
- 0685US4626354AMethod for anaerobic treatment of high strength liquorsZIMPRO INC·Filed 1985·Granted Dec 2, 1986·78 cites·58 claims
- 0781US4749492AProcess for recovering regenerated adsorbent particles and separating ash therefromZIMPRO PASSAVANT·Filed 1987·Granted Jun 7, 1988·51 cites·20 claims
- 0878US5082571ACaustic sulfide wet oxidation processZIMPRO ENVIRONMENTAL INC·Filed 1991·Granted Jan 21, 1992·51 cites·6 claims
- 0978US4897196ATwo-stage batch wastewater treatmentZIMPRO PASSAVANT INC·Filed 1988·Granted Jan 30, 1990·43 cites·15 claims
- 1077US5298174ALow temperature caustic sulfide wet oxidation processZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Mar 29, 1994·48 cites·6 claims
- 1174US6444130B1Process for rendering waste from electric furnace production of phosphorus non-hazardousFMC PROPERTIES LLC·Filed 2000·Granted Sep 3, 2002·23 cites·27 claims
- 1271US6110385ASystem and method for removing volatile compounds from a waste streamUNITED STATES FILTER CORP·Filed 1998·Granted Aug 29, 2000·36 cites·32 claims
- 1361US7850822B2System and method of wet oxidation of a viscose process streamSIEMENS WATER TECH HOLDG CORP·Filed 2004·Granted Dec 14, 2010·2 cites·5 claims
- 1448US4182648AOxygen pulping processSTERLING DRUG INC·Filed 1973·Granted Jan 8, 1980·5 cites·12 claims
- 1548US2011079560A1Catalytic wet oxidation systems and methodsSIEMENS WATER TECH CORP·Filed 2009·Application pending·0 cites
- 1644US2005171390A1Wet 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 →