Wilfried O. Eckhardt

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Malibu, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Radiation power limiter
- Patent number 6,747,607
- Issue date Jun 8, 2004
- The DIRECTV Group, Inc.
- Wilfried O. Eckhardt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Orientation independent ignitron with grooved cathode
- Patent number 4,970,440
- Issue date Nov 13, 1990
- Hughes Aircraft Company
- Wilfried O. Eckhardt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid-metal plasma valve configurations
- Patent number 4,093,888
- Issue date Jun 6, 1978
- Hughes Aircraft Company
- Gisela Eckhardt
- H01 - BASIC ELECTRIC ELEMENTS