Chuck F. Der

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Sykesville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-zone induction heating system with bidirectional switching ne...
- Patent number 6,078,033
- Issue date Jun 20, 2000
- Pillar Industries, Inc.
- Thomas J. Bowers
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Solid state radio frequency power generator
- Patent number 4,471,196
- Issue date Sep 11, 1984
- Westinghouse Electric Corp.
- William E. Frank
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for starting a parallel-tuned current fed inve...
- Patent number 4,430,697
- Issue date Feb 7, 1984
- Westinghouse Electric Corp.
- Harold A. Steinbruegge
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER