Sanford M. Stevenson

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McMurray, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for removing metal compounds from waste water
- Patent number 7,335,309
- Issue date Feb 26, 2008
- Sanford M. Stevenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for removing metal compounds from waste material
- Patent number 6,117,314
- Issue date Sep 12, 2000
- Sanford M. Stevenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for removing metal compounds from waste water
- Patent number 5,882,513
- Issue date Mar 16, 1999
- Sanford M. Stevenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for treatment of waste water contaminated with cyanide ion
- Patent number 5,552,062
- Issue date Sep 3, 1996
- Sanford M. Stevenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for removing metal compounds from waste water
- Patent number 5,370,800
- Issue date Dec 6, 1994
- Sanford M. Stevenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for treatment of acidic water
- Patent number 4,749,497
- Issue date Jun 7, 1988
- Chemical Separation Technology, Inc.
- Richard S. Kanzleiter
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE