Niklaus Portmann

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Bellikon, CH

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Patents Grantslast 30 patents

Information Patent Grant
Driver for feeding thin metal sheets on a can welding machine
- Patent number 5,297,790
- Issue date Mar 29, 1994
- Elpatronic AG
- Hans-Wilhelm Hoffmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sliding contact roller head
- Patent number 5,159,168
- Issue date Oct 27, 1992
- Elpatronic AG
- Niklaus Portmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrode roller with flexible current transmitting disc
- Patent number 5,155,405
- Issue date Oct 13, 1992
- Elpatronic AG
- Alfonso D'Aniello
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rail for guiding sheet-metal edges which are to be welded together
- Patent number 5,103,070
- Issue date Apr 7, 1992
- Elpatronic, AG
- Niklaus Portmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for electrical resistance seam welding by rollers
- Patent number 4,641,008
- Issue date Feb 3, 1987
- Elpatronic AG
- Niklaus Portmann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR