Charles J. Gantzer

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Compartmentalized facultative lagoon and method of creating and mai...
- Patent number 6,773,595
- Issue date Aug 10, 2004
- Charles J. Gantzer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Odor control apparatus for facultative lagoon
- Patent number 6,514,410
- Issue date Feb 4, 2003
- Charles J. Gantzer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Aeration device and method for creating and maintaining facultative...
- Patent number 6,103,123
- Issue date Aug 15, 2000
- Charles J. Gantzer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
High efficiency microbubble aeration
- Patent number 5,674,433
- Issue date Oct 7, 1997
- Regents of The University of Minnesota
- Michael J. Semmens
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Compartmentalized facultative lagoon and method of creating and mai...
- Publication number 20020139747
- Publication date Oct 3, 2002
- Charles J. Gantzer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE