Roger A. Powell

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Norristown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
System for control and resource allocation for the manufacture of a...
- Patent number 6,195,590
- Issue date Feb 27, 2001
- Roger A. Powell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Variable aperture, variable flux density, aerospace solar collector
- Patent number 4,888,063
- Issue date Dec 19, 1989
- Roger A. Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Variable aperture, variable flux density, aerospace solar collector
- Patent number 4,719,903
- Issue date Jan 19, 1988
- Roger A. Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method for resource allocation for the manufacture of a product
- Patent number 4,648,023
- Issue date Mar 3, 1987
- Roger A. Powell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Parabolic trough solar reflector
- Patent number 4,611,575
- Issue date Sep 16, 1986
- Roger A. Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Solar energy conversion apparatus
- Patent number 4,278,829
- Issue date Jul 14, 1981
- Roger A. Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Elastically deformed reflectors
- Patent number 4,243,301
- Issue date Jan 6, 1981
- Roger A. Powell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Trough reflector
- Patent number 4,119,365
- Issue date Oct 10, 1978
- Roger Andrew Powell
- F24 - HEATING RANGES VENTILATING