Hans Groth

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Avesta, SE

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Patents Grantslast 30 patents

Information Patent Grant
Blank guided forming
- Patent number 6,868,708
- Issue date Mar 22, 2005
- Avestapolarit AB
- Leif Carlsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Method for maunfacturing an ultra-high-tensile, stretch formed or s...
- Publication number 20050211347
- Publication date Sep 29, 2005
- AvestaPolarit AB
- Leif Carlsso
- C21 - METALLURGY OF IRON
Information Patent Application
Method and a device for manufacturing of a closed profile and a pro...
- Publication number 20040031309
- Publication date Feb 19, 2004
- Leif Carlsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Blank guided forming
- Publication number 20030029216
- Publication date Feb 13, 2003
- Leif Carlsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...