Hochstrasser; Jurgen

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Patents Grantslast 30 patents

Information Patent Grant
Turning mechanism operating alternately in opposite directions to f...
- Patent number 4,624,324
- Issue date Nov 25, 1986
- Hochstrasser nee Wack; Elisabeth
- Hans Mathieu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Drilling device
- Patent number 4,526,242
- Issue date Jul 2, 1985
- Hochstrasser geb. Wack; Elisabeth
- Hans Mathieu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for the control of the internal pressure in a drill pipe for...
- Patent number 4,295,759
- Issue date Oct 20, 1981
- Hochstrasser geb. Wack; Elisabeth
- Hans Mathieu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Device for the production of earth holes
- Patent number 4,106,298
- Issue date Aug 15, 1978
- Hochstrasser nee Wack; Elizabeth
- Hans Mathieu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Drilling grab for pile foundations and well boreholes
- Patent number 3,965,999
- Issue date Jun 29, 1976
- Hochstrasser nee Wack; Elisabeth
- Hans Mathieu
- B66 - HOISTING LIFTING HAULING