Friedemann Grupp

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sintered material for a magnetic track brake
- Patent number 6,648,108
- Issue date Nov 18, 2003
- AlliedSignal Bremsbelag GmbH
- Friedemann Grupp
- B61 - RAILWAYS
Information Patent Grant
Sintered material for a magnetic track brake
- Patent number 6,364,072
- Issue date Apr 2, 2002
- AlliedSignal Bremsbelag GmbH
- Friedemann Grupp
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Sintered material for a magnetic track brake
- Publication number 20020100648
- Publication date Aug 1, 2002
- Friedemann Grupp
- B61 - RAILWAYS