Craig H. Benson

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Verona, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Bentonite collars for wellbore casings
- Patent number 9,080,419
- Issue date Jul 14, 2015
- Craig H. Benson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure plate extractor
- Patent number 6,718,835
- Issue date Apr 13, 2004
- Wisconsin Alumni Research Foundation
- Xiaodong Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus and method for testing the hydraulic conductivity of geol...
- Patent number 6,178,808
- Issue date Jan 30, 2001
- Wisconsin Alumni Research Foundation
- Xiaodong Wang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
BENTONITE COLLARS FOR WELLBORE CASINGS
- Publication number 20140008068
- Publication date Jan 9, 2014
- Craig H. Benson
- E21 - EARTH DRILLING MINING
Information Patent Application
Pressure plate extractor
- Publication number 20030066211
- Publication date Apr 10, 2003
- Xiaodong Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING