Robert C. Tsigonis

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Fairbanks, AK, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for distributing liquid flow into predetermined p...
- Patent number 7,597,112
- Issue date Oct 6, 2009
- Robert C. Tsigonis
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
System and method for distributing liquid flow into predetermined p...
- Patent number 6,997,203
- Issue date Feb 14, 2006
- Robert C. Tsigonis
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus and method for treating sewage in cold climates
- Patent number 6,482,322
- Issue date Nov 19, 2002
- Robert C. Tsigonis
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
System and method for distrubuting liquid flow into predetermined p...
- Publication number 20060060240
- Publication date Mar 23, 2006
- Robert C. Tsigonis
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
System and method for distributing liquid flow into predetermined p...
- Publication number 20040134542
- Publication date Jul 15, 2004
- Robert C. Tsigonis
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING