David A. George

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Park Forest, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for heating agglomerating slurries
- Patent number 4,469,280
- Issue date Sep 4, 1984
- CNG Research Company
- Lester G. Massey
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Adiabatic expansion orifice assembly for passing a slurry from a hi...
- Patent number 4,421,722
- Issue date Dec 20, 1983
- CNG Research Company
- Lester G. Massey
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for heating liquids and agglomerating slurries
- Patent number 4,369,351
- Issue date Jan 18, 1983
- CNG Research Company
- Lester G. Massey
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Pressure relief system
- Patent number 4,362,181
- Issue date Dec 7, 1982
- CNG Research Company
- Lester G. Massey
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for interconnecting a power supply to an electrode within...
- Patent number 4,286,111
- Issue date Aug 25, 1981
- CNG Research Company
- Lester G. Massey
- H01 - BASIC ELECTRIC ELEMENTS