Johann-Stefan LERCH

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Hohenwart, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tool for internal high-pressure shaping and method for shaping a wo...
- Patent number 11,583,913
- Issue date Feb 21, 2023
- Bayerische Motoren Werke Aktiengesellschaft
- Johann-Stefan Lerch
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Tool for preforming a tube for subsequent internal high pressure fo...
- Patent number 9,962,753
- Issue date May 8, 2018
- Bayerische Motoren Werke Aktiengesellschaft
- Johann-Stefan Lerch
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Tool for Internal High-Pressure Shaping and Method for Shaping a Wo...
- Publication number 20190151925
- Publication date May 23, 2019
- Bayerische Motoren Werke Aktiengesellschaft
- Johann-Stefan LERCH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Tool for Preforming a Tube for Subsequent Internal High Pressure Fo...
- Publication number 20160023261
- Publication date Jan 28, 2016
- Bayerische Motoren Werke Aktiengesellschaft
- Johann-Stefan LERCH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...