John L. Petering

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St. Louis Park, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the treatment of wastewater
- Patent number 7,060,186
- Issue date Jun 13, 2006
- John L. Petering
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for the treatment of concentrated wastewater
- Patent number 5,545,326
- Issue date Aug 13, 1996
- John L. Petering
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for the treatment of wastewater
- Publication number 20050056588
- Publication date Mar 17, 2005
- John L. Petering
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE