Erwin Kappelsberger

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sealing system for a movable vacuum chamber of a charged particle b...
- Patent number 4,358,657
- Issue date Nov 9, 1982
- Messer Griesheim GmbH
- Karl-Heinz Steigerwald
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Energy beam welding method
- Patent number 4,229,639
- Issue date Oct 21, 1980
- Steigerwald Strahltechnik G.m.b.H.
- Johannes Koy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sealing device for charged particle beam welding
- Patent number 4,175,226
- Issue date Nov 20, 1979
- Steigerwald Strahltechnik GmbH
- Erwin Kappelsberger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR