Hans Zimmermann

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Selfkant, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hard-rolling roller head for the deep rolling of the crankpins of a...
- Patent number 10,421,115
- Issue date Sep 24, 2019
- Hegenscheidt-MFD GmbH
- Hans Toni Steffens
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hard-rolling roller
- Patent number 9,987,722
- Issue date Jun 5, 2018
- Hegenscheidt-MFD GmbH & Co. KG
- Hans-Toni Steffens
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Deep rolling roller head for split-pin crankshafts
- Patent number 7,493,788
- Issue date Feb 24, 2009
- Hegenscheidt-MFD GmbH & Co. KG
- Roland Heffe
- B24 - GRINDING POLISHING
Information Patent Grant
Fixed roll apparatus of a fixed roll machine for crankshafts
- Patent number 6,691,543
- Issue date Feb 17, 2004
- Hegenscheidt-MFD GmbH & Co. KG
- Hans-Toni Steffens
- B24 - GRINDING POLISHING
Information Patent Grant
Roll-hardening device pertaining to a roll-hardening machine for cr...
- Patent number 6,393,887
- Issue date May 28, 2002
- Hegenscheidt-MFD GmbH & Co., KG
- Hans-Toni Steffens
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
HARD-ROLLING ROLLER HEAD FOR THE DEEP ROLLING OF THE CRANKPINS OF A...
- Publication number 20170252796
- Publication date Sep 7, 2017
- HEGENSCHEIDT-MFD GmbH
- Hans Toni Steffens
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HARD-ROLLING ROLLER
- Publication number 20140326032
- Publication date Nov 6, 2014
- Hegenscheidt-MFD Gmbh & Co. KG
- Hans-Toni Steffens
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Unknown
- Publication number 20080184756
- Publication date Aug 7, 2008
- Roland Heffe
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Fixed roll apparatus of a fixed roll machine for crankshafts
- Publication number 20020178775
- Publication date Dec 5, 2002
- Hans-Toni Steffens
- B24 - GRINDING POLISHING