DB

David A. Beula

ZS Zimpro Passavant Environmental Systems: 2 patents #3 of 19Top 20%
ZE Zimpro Environmental: 1 patents #3 of 11Top 30%
ZI Zimpro/Passavant: 1 patents #5 of 10Top 50%
Overall (All Time): #1,294,147 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5298174 Low temperature caustic sulfide wet oxidation process Joseph A. Momont, William M. Copa 1994-03-29
5230810 Corrosion control for wet oxidation systems Mark A. Clark 1993-07-27
5082571 Caustic sulfide wet oxidation process Joseph A. Momont, William M. Copa 1992-01-21
4749492 Process for recovering regenerated adsorbent particles and separating ash therefrom John K. Berrigan, Jr., William M. Copa 1988-06-07