William Paul Gruber

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Altadena, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Temperature sensitive transducer with a resonant bimetal disk
- Patent number 4,541,731
- Issue date Sep 17, 1985
- Technar, Incorporated
- Lon E. Bell
- G01 - MEASURING TESTING
Information Patent Grant
PTC thermistor controlled electric diesel fuel heater
- Patent number 4,477,715
- Issue date Oct 16, 1984
- Technar Incorporated
- Lon E. Bell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Snap-acting thermal relay
- Patent number 4,434,414
- Issue date Feb 28, 1984
- Technar, Inc.
- Lon E. Bell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Thermostatically controlled electric diesel fuel heater
- Patent number 4,424,422
- Issue date Jan 3, 1984
- Technar, Inc.
- Lon E. Bell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Pressure switch with diaphragm
- Patent number 4,049,935
- Issue date Sep 20, 1977
- Allied Chemical Corporation
- William Paul Gruber
- H01 - BASIC ELECTRIC ELEMENTS