WC

William M. Copa

ZI Zimpro/Passavant: 4 patents #1 of 10Top 10%
ZE Zimpro Environmental: 2 patents #2 of 11Top 20%
ZS Zimpro Passavant Environmental Systems: 2 patents #3 of 19Top 20%
SD Sterling Drug: 2 patents #68 of 246Top 30%
ZI Zimpro: 1 patents #4 of 15Top 30%
UF United States Filter: 1 patents #57 of 137Top 45%
ST Siemens Water Technologies: 1 patents #51 of 109Top 50%
Overall (All Time): #354,736 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7850822 System and method of wet oxidation of a viscose process stream Chad L. Felch, Richard W. Lehmann, Todd Wingers, Bruce L. Brandenburg 2010-12-14
6444130 Process for rendering waste from electric furnace production of phosphorus non-hazardous James L. Manganaro, Henry A. Pfeffer, Jay R. Brummer, Bert D. McMunn, Christopher M. Knapp 2002-09-03
6110385 System and method for removing volatile compounds from a waste stream Russell G. Forbess 2000-08-29
5641413 Removal of nitrogen from wastewaters Joseph A. Momont 1997-06-24
5298174 Low temperature caustic sulfide wet oxidation process Joseph A. Momont, David A. Beula 1994-03-29
5240619 Two-stage subcritical-supercritical wet oxidation Richard W. Lehmann 1993-08-31
5082571 Caustic sulfide wet oxidation process David A. Beula, Joseph A. Momont 1992-01-21
4919815 Two-stage anaerobic/aerobic treatment process Thomas J. Vollstedt 1990-04-24
4897196 Two-stage batch wastewater treatment Thomas J. Vollstedt 1990-01-30
4810386 Two-stage wastewater treatment Thomas J. Vollstedt 1989-03-07
4749492 Process for recovering regenerated adsorbent particles and separating ash therefrom John K. Berrigan, Jr., David A. Beula 1988-06-07
4626354 Method for anaerobic treatment of high strength liquors Clarence A. Hoffman, Michael Mayer 1986-12-02
4265747 Disinfection and purification of fluids using focused laser radiation Wayne B. Gitchel 1981-05-05
4182648 Oxygen pulping process Louis A. Pradt 1980-01-08