Karl-Heinz Hofmann

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Weil, DE

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Patents Grantslast 30 patents

Information Patent Grant
Drill
- Patent number 7,882,908
- Issue date Feb 8, 2011
- Hilti Aktiengesellschaft
- Olaf Koch
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hard material drilling head
- Patent number 7,559,383
- Issue date Jul 14, 2009
- Hilti Aktiengesellschaft
- Olaf Koch
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drill bit having radially extending cutting bits on radial legs
- Patent number 7,497,282
- Issue date Mar 3, 2009
- Hilti Aktiengesellschaft
- Rainer Batliner
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dust-proof element and a method of its use in an electrical hand-he...
- Patent number 6,551,525
- Issue date Apr 22, 2003
- Hilti Aktiengesellschaft
- Karl-Heinz Hofmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rock drill
- Patent number 6,450,272
- Issue date Sep 17, 2002
- Hilti Aktiengesellschaft
- Udo Hauptmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Hard material drilling head
- Publication number 20080121437
- Publication date May 29, 2008
- Olaf Koch
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Drill
- Publication number 20060032675
- Publication date Feb 16, 2006
- Olaf Koch
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Drill
- Publication number 20050274551
- Publication date Dec 15, 2005
- Rainer Batliner
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Dust-proof element and a method of its use in an electrical hand-he...
- Publication number 20020021947
- Publication date Feb 21, 2002
- Karl-Heinz Hofmann
- B24 - GRINDING POLISHING
Information Patent Application
Rock drill
- Publication number 20010013429
- Publication date Aug 16, 2001
- Udo Hauptmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR