Leroy Graff

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Mabton, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Air lock valve in a carbon extraction portion of a pyrolysis gasifier
- Patent number 5,762,657
- Issue date Jun 9, 1998
- Thermal Technologies, Inc.
- Leonard G. Beierle
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Fuel spreader assembly for use in a gasifier
- Patent number 5,755,837
- Issue date May 26, 1998
- Thermal Technologies, Inc.
- Leonard G. Beierle
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Pyrolysis gasifier with inner sleeve member
- Patent number 5,618,321
- Issue date Apr 8, 1997
- Thermal Technologies, Inc.
- Leonard G. Beierle
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...