Helmut Frey

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Patents Grantslast 30 patents

Information Patent Grant
Tool for the contact-free support of plate-like substrates
- Patent number 5,967,578
- Issue date Oct 19, 1999
- Sez North America, Inc.
- Helmut Frey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arrangement for treatment of wafer-shaped articles, particularly si...
- Patent number 5,904,164
- Issue date May 18, 1999
- SEZ Semiconductor-Equipment Zubehor Fur Die Halbleiterfertigung AG
- Gerald Wagner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for producing separator pockets for electrical accumulator p...
- Patent number 5,672,236
- Issue date Sep 30, 1997
- Jungfer Ges.mbH.
- Helmut Frey
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for forming stacks of accumulator plates
- Patent number 5,046,917
- Issue date Sep 10, 1991
- Akkumulatorenfabrik Dr. Leopold Jungfer
- Helmut Frey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for forming sets of accumulator plates
- Patent number 5,006,040
- Issue date Apr 9, 1991
- Akkumulatorenfabrik Dr. Leopold Jungfer
- Helmut Frey
- H01 - BASIC ELECTRIC ELEMENTS