John H. Wiernik

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling silica/silicate deposition in aqueous system...
- Patent number 5,078,879
- Issue date Jan 7, 1992
- Calgon Corporation
- Jasbir S. Gill
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for controlling silica/silicate deposition in aqueous system...
- Patent number 4,933,090
- Issue date Jun 12, 1990
- Calgon Corporation
- Jasbir S. Gill
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE