Josef Janssen

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Moenchengladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and machine for rotary milling the crankpins of crankshafts...
- Patent number 6,071,049
- Issue date Jun 6, 2000
- Hegenscheidt-MFD GmbH
- Josef Janssen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and machine for rotary milling the crankpins and main bearin...
- Patent number 5,984,599
- Issue date Nov 16, 1999
- Hegenscheidt-MFD GmbH
- Josef Janssen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Roll-hardening machine for crankshafts
- Patent number 5,943,893
- Issue date Aug 31, 1999
- Hegenscheidt-MFD GmbH
- Dieter Goedderz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR