Klaus Bechem

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Hagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing slots, grooves, and planar excavations
- Patent number 6,139,477
- Issue date Oct 31, 2000
- Ulrich Bechem
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Eccentrically driven percussive tools for treating materials
- Patent number 5,685,615
- Issue date Nov 11, 1997
- Klaus Bechem
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Activated earth drill
- Patent number 4,796,713
- Issue date Jan 10, 1989
- Ulrich W. Bechem
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Excavating tool and method for excavating rock, minerals and the like
- Publication number 20030041482
- Publication date Mar 6, 2003
- Ulrich Bechem
- E21 - EARTH DRILLING MINING