Ranko F. F. Effenberger

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5160 Duren, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for grinding and lapping sealing surfaces in slide valves...
- Patent number 4,800,684
- Issue date Jan 31, 1989
- Ranko F. F. Effenberger
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus for grinding and lapping annular sealing faces
- Patent number 4,549,373
- Issue date Oct 29, 1985
- Ranko F. F. Effenberger
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Grinding head
- Publication number 20060199483
- Publication date Sep 7, 2006
- EFCO-Maschinenbau Gmbh & Co. KG
- Ranko Effenberger
- B24 - GRINDING POLISHING