ZIMPRO PASSAVANT ENVIRONMENTAL SYSTEMS, INC

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ROTHSCHILD, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Wet oxidation of ammonium salt containing liquors
- Patent number 5,262,060
- Issue date Nov 16, 1993
- Zimpro Passavant Environmental Systems, Inc.
- Richard W. Lehmann
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Two-stage subcritical-supercritical wet oxidation
- Patent number 5,240,619
- Issue date Aug 31, 1993
- Zimpro Passavant Environmental Systems, Inc.
- William M. Copa
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Corrosion control for wet oxidation systems
- Patent number 5,230,810
- Issue date Jul 27, 1993
- Zimpro Passavant Environmental Systems, Inc.
- Mark A. Clark
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Multiple zone batch treatment process
- Patent number 5,192,442
- Issue date Mar 9, 1993
- Zimpro Passavant Environmental Systems, Inc.
- John Piccirillo
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for treatment of wastewater containing inorganic ammonium s...
- Patent number 5,183,577
- Issue date Feb 2, 1993
- Zimpro Passavant Environmental Systems, Inc.
- Richard W. Lehmann
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Underdrain for granular medium filter
- Patent number 5,089,147
- Issue date Feb 18, 1992
- Zimpro Passavant Environmental Systems, Inc.
- David S. Ross
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Automatically controlled splash plate
- Patent number 5,084,163
- Issue date Jan 28, 1992
- Zimpro Passavant Environmental Systems, Inc.
- Thomas L. Baumann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Caustic sulfide wet oxidation process
- Patent number 5,082,571
- Issue date Jan 21, 1992
- Zimpro Passavant Environmental Systems Inc.
- David A. Beula
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for color removal from thermally conditioned sludge liquors
- Patent number 5,075,015
- Issue date Dec 24, 1991
- Zimpro Passavant Environmental Systems, Inc.
- Robert J. Kamke
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for starting up and controlling operating temperature of a w...
- Patent number 5,057,231
- Issue date Oct 15, 1991
- Zimpro Passavant Environmental Systems, Inc.
- Gene W. Mueller
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Furnace combustion zone temperature control method
- Patent number 5,018,458
- Issue date May 28, 1991
- Zimpro Passavant Environmental Systems, Inc.
- Glover C. McIntyre
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Control valve with displacement-compensating seal
- Patent number 5,011,114
- Issue date Apr 30, 1991
- Zimpro Passavant Environmental Systems, Inc.
- Kent T. Depuydt
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

ZIMPRO PASSAVANT ENVIRONMENTAL SYSTEMS, INC

Organization

Patents Grantslast 30 patents

Wet oxidation of ammonium salt containing liquors

Two-stage subcritical-supercritical wet oxidation

Corrosion control for wet oxidation systems

Multiple zone batch treatment process

Process for treatment of wastewater containing inorganic ammonium s...

Underdrain for granular medium filter

Automatically controlled splash plate

Caustic sulfide wet oxidation process

Method for color removal from thermally conditioned sludge liquors

Method for starting up and controlling operating temperature of a w...

Furnace combustion zone temperature control method

Control valve with displacement-compensating seal