Otto-Horst Hoffmann

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Rodenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Coupling for stationary and movable vacuum chambers
- Patent number 4,258,645
- Issue date Mar 31, 1981
- Leybold-Heraeus GmbH
- Hans Aichert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for vapor-coating turbine buckets
- Patent number 4,233,342
- Issue date Nov 11, 1980
- Leybold-Heraeus GmbH
- Hans Aichert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Heating system for vacuum coating apparatus
- Patent number 4,226,587
- Issue date Oct 7, 1980
- Leybold-Heraeus GmbH
- Hans Aichert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Operating mechanism for valves, gates and the like
- Patent number 4,219,183
- Issue date Aug 26, 1980
- Leybold-Heraeus GmbH
- Otto-Horst Hoffmann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Evaporating crucible
- Patent number 4,208,042
- Issue date Jun 17, 1980
- Leybold-Heraeus GmbH
- Hans Aichert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vacuum coating apparatus
- Patent number 4,192,253
- Issue date Mar 11, 1980
- Leybold-Hereaus GmbH
- Hans Aichert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...