Assignee
ZIMPRO ENVIRONMENTAL INC
US·22 granted patents·1,019 citations·filing 1990–1996
Top patents by PatentIndex Score
22 records- 0196US5302288ATreatment of highly colored wastewatersZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Apr 12, 1994·183 cites·34 claims
- 0295US5240619ATwo-stage subcritical-supercritical wet oxidationZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Aug 31, 1993·107 cites·16 claims
- 0394US5192442AMultiple zone batch treatment processZIMPRO ENVIRONMENTAL INC·Filed 1991·Granted Mar 9, 1993·139 cites·36 claims
- 0493US5183577AProcess for treatment of wastewater containing inorganic ammonium saltsZIMPRO ENVIRONMENTAL INC·Filed 1992·Granted Feb 2, 1993·97 cites·21 claims
- 0585US5641413ARemoval of nitrogen from wastewatersZIMPRO ENVIRONMENTAL INC·Filed 1995·Granted Jun 24, 1997·69 cites·14 claims
- 0685US5018458AFurnace combustion zone temperature control methodZIMPRO ENVIRONMENTAL INC·Filed 1990·Granted May 28, 1991·67 cites·17 claims
- 0778US5082571ACaustic sulfide wet oxidation processZIMPRO ENVIRONMENTAL INC·Filed 1991·Granted Jan 21, 1992·51 cites·6 claims
- 0878US5057231AMethod for starting up and controlling operating temperature of a wet oxidation processZIMPRO ENVIRONMENTAL INC·Filed 1990·Granted Oct 15, 1991·47 cites·1 claims
- 0977US5298174ALow temperature caustic sulfide wet oxidation processZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Mar 29, 1994·48 cites·6 claims
- 1071US5389264AHydraulic energy dissipator for wet oxidation processZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Feb 14, 1995·29 cites·6 claims
- 1170US5230810ACorrosion control for wet oxidation systemsZIMPRO ENVIRONMENTAL INC·Filed 1991·Granted Jul 27, 1993·35 cites·7 claims
- 1258US5651897AWet oxidation of high strength liquors with high solids contentZIMPRO ENVIRONMENTAL INC·Filed 1996·Granted Jul 29, 1997·23 cites·21 claims
- 1358US5089147AUnderdrain for granular medium filterZIMPRO ENVIRONMENTAL INC·Filed 1991·Granted Feb 18, 1992·22 cites·16 claims
- 1455US5262060AWet oxidation of ammonium salt containing liquorsZIMPRO ENVIRONMENTAL INC·Filed 1992·Granted Nov 16, 1993·20 cites·18 claims
- 1548US5389259APreparation treatment of volatile wastewater componentsZIMPRO ENVIRONMENTAL INC·Filed 1994·Granted Feb 14, 1995·13 cites·7 claims
- 1648US5234607AWet oxidation system startup processZIMPRO ENVIRONMENTAL INC·Filed 1992·Granted Aug 10, 1993·17 cites·12 claims
- 1746US5075015AMethod for color removal from thermally conditioned sludge liquorsZIMPRO ENVIRONMENTAL INC·Filed 1991·Granted Dec 24, 1991·19 cites·7 claims
- 1834US5310484APreaeration treatment of volatile wastewater componentsZIMPRO ENVIRONMENTAL INC·Filed 1992·Granted May 10, 1994·8 cites·8 claims
- 1932US5460732AMethod of monitoring pH in caustic liquor wet oxidationZIMPRO ENVIRONMENTAL INC·Filed 1994·Granted Oct 24, 1995·6 cites·14 claims
- 2031US5340473AGas/liquid mixing apparatusZIMPRO ENVIRONMENTAL INC·Filed 1993·Granted Aug 23, 1994·8 cites·5 claims
- 2131US5084163AAutomatically controlled splash plateZIMPRO ENVIRONMENTAL INC·Filed 1990·Granted Jan 28, 1992·5 cites·13 claims
- 2223US5011114AControl valve with displacement-compensating sealZIMPRO ENVIRONMENTAL INC·Filed 1990·Granted Apr 30, 1991·6 cites·8 claims
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