David A. Beula

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Schofield, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Low temperature caustic sulfide wet oxidation process
- Patent number 5,298,174
- Issue date Mar 29, 1994
- Zimpro Environmental, Inc.
- Joseph A. Momont
- 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
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
Process for recovering regenerated adsorbent particles and separati...
- Patent number 4,749,492
- Issue date Jun 7, 1988
- Zimpro/Passavant
- John K. Berrigan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE