William J. Ehni

Follow

Person

Carson City, NV, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electrically measuring soil dry density
- Patent number 6,963,205
- Issue date Nov 8, 2005
- John W. Lundstrom
- G01 - MEASURING TESTING
Information Patent Grant
Electrical geophysical apparatus for determining the density of por...
- Patent number 6,380,745
- Issue date Apr 30, 2002
- Dennis M. Anderson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Electrical geophysical methods and apparatus for determining the in...
- Patent number 5,861,751
- Issue date Jan 19, 1999
- Dennis M. Anderson
- G01 - MEASURING TESTING
Information Patent Grant
Geophysical methods and apparatus for determining the hydraulic con...
- Patent number 5,861,750
- Issue date Jan 19, 1999
- Dennis M. Anderson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Electrically measuring soil density and soil moisture content
- Publication number 20040095154
- Publication date May 20, 2004
- John W. Lundstrom
- G01 - MEASURING TESTING