Peter C. Gelfand

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Thyristor power controller for an electrostatic precipitator
- Patent number 4,308,494
- Issue date Dec 29, 1981
- General Electric Co.
- Peter C. Gelfand
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Cleaning of high-voltage electrodes in an electrostatic precipitator
- Patent number 4,305,736
- Issue date Dec 15, 1981
- General Electric Co.
- Melvin R. Kahl
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Electronic overload detecting device
- Patent number 4,012,669
- Issue date Mar 15, 1977
- Envirotech Corporation
- Peter C. Gelfand
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrostatic precipitator electrode cleaning system
- Patent number 4,008,057
- Issue date Feb 15, 1977
- Envirotech Corporation
- Peter C. Gelfand
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...