Louis H. Knieper

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrochemical treatment of effluent water
- Patent number 6,238,546
- Issue date May 29, 2001
- Louis H. Knieper
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Wastewater treatment system
- Patent number 6,103,109
- Issue date Aug 15, 2000
- Dan G. Noyes
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus and method for removal of vapors from subsoil
- Patent number 5,775,840
- Issue date Jul 7, 1998
- Louis H. Knieper
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING