Opprecht; Paul

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Bergdietikon, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating a projection for resistance welding
- Patent number 4,850,214
- Issue date Jul 25, 1989
- Opprecht; Paul
- Paul Opprecht
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical resistance-pressure welding process for welding parts of...
- Patent number 4,591,687
- Issue date May 27, 1986
- Opprecht; Paul
- Werner Urech
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and machine for electrical resistance roll seam welding with...
- Patent number 4,536,636
- Issue date Aug 20, 1985
- Opprecht; Paul
- Paul Opprecht
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Projection for resistance welding of soft metals
- Patent number 4,495,397
- Issue date Jan 22, 1985
- Opprecht; Paul
- Paul Opprecht
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus to suppress oxidation during resistance welding
- Patent number 4,395,614
- Issue date Jul 26, 1983
- Opprecht; Paul
- Wolfgang Weil
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Feeding device in a welding machine for feeding can bodies to elect...
- Patent number 4,350,862
- Issue date Sep 21, 1982
- Opprecht; Paul
- Othmar Stieger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for seam welding overlapped edges
- Patent number 4,160,892
- Issue date Jul 10, 1979
- Opprecht; Paul
- Paul Opprecht
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Opprecht; Paul

Organization

Patents Grantslast 30 patents

Method of fabricating a projection for resistance welding

Electrical resistance-pressure welding process for welding parts of...

Method and machine for electrical resistance roll seam welding with...

Projection for resistance welding of soft metals

Apparatus to suppress oxidation during resistance welding

Feeding device in a welding machine for feeding can bodies to elect...

Method and apparatus for seam welding overlapped edges