Elijah R. Perry

Follow

Person

Portola Valley, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Filled polymer electrical insulator
- Patent number 4,210,774
- Issue date Jul 1, 1980
- Electric Power Research Institute, Inc.
- Elijah R. Perry
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
High-voltage DC transmission system and method
- Patent number 4,195,334
- Issue date Mar 25, 1980
- Electric Power Research Institute, Inc.
- Elijah R. Perry
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Heat pump system with improved heat transfer
- Patent number 4,142,576
- Issue date Mar 6, 1979
- Electric Power Research Institute, Inc.
- Elijah R. Perry
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Means for protecting underground electrical equipment from thermal...
- Patent number 4,097,682
- Issue date Jun 27, 1978
- Electric Power Research Institute, Inc.
- Elijah R. Perry
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Heat pump system with improved heat transfer
- Patent number 4,042,012
- Issue date Aug 16, 1977
- Electric Power Research Institute
- Elijah R. Perry
- F24 - HEATING RANGES VENTILATING