Joseph A. Sopko

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Cedar Grove, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Ground freezing installation accommodating thermal contraction of m...
- Patent number 7,438,501
- Issue date Oct 21, 2008
- Layne Christensen Company
- Joseph A. Sopko
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and apparatus for artificial ground freezing
- Patent number 6,796,139
- Issue date Sep 28, 2004
- Layne Christensen Company
- George Briley
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
GROUND FREEZING METHOD AND APPARATUS WITH GEOTHERMAL GRADIENT COMPE...
- Publication number 20070266715
- Publication date Nov 22, 2007
- Joseph A. Sopko
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
GROUND FREEZING INSTALLATION ACCOMMODATING THERMAL CONTRACTION OF M...
- Publication number 20070267190
- Publication date Nov 22, 2007
- Joseph A. Sopko
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
METHOD AND APPARATUS FOR ARTIFICIAL GROUND FREEZING
- Publication number 20040168460
- Publication date Sep 2, 2004
- LAYNE CHRISTENSEN COMPANY
- George Briley
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...