with control by igniter

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Patents Grantslast 30 patents

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
Ignitron with arc-centering magnetic field
- Patent number 4,833,363
- Issue date May 23, 1989
- English Electric Valve Company Limited
- Barry Jennis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3254255
- Patent number 3,254,255
- Issue date May 31, 1966
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
3133224
- Patent number 3,133,224
- Issue date May 12, 1964
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2500153
- Patent number 2,500,153
- Issue date Mar 14, 1950
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2170695
- Patent number 2,170,695
- Issue date Aug 22, 1939
- H01 - BASIC ELECTRIC ELEMENTS