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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Sulfur recovery process
Patent number
5,021,232
Issue date
Jun 4, 1991
CNG Research Company
Ralph E. Hise
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Crystallization process
Patent number
4,623,372
Issue date
Nov 18, 1986
CNG Research Company
Robert J. Adler
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Gas separation process
Patent number
4,609,388
Issue date
Sep 2, 1986
CNG Research Company
Robert J. Adler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Gas separation process
Patent number
4,581,052
Issue date
Apr 8, 1986
CNG Research Company
Robert J. Adler
C07 - ORGANIC CHEMISTRY
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
Coal composition
Patent number
4,377,392
Issue date
Mar 22, 1983
CNG Research Company
Lester G. Massey
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
System for pumping fluids at constant pressure
Patent number
4,373,864
Issue date
Feb 15, 1983
CNG Research Company
Lester G. Massey
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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
Method for removing undesired components from coal
Patent number
4,364,740
Issue date
Dec 21, 1982
CNG Research Company
Lester G. Massey
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
Information
Patent Grant
Gas separation process
Patent number
4,270,937
Issue date
Jun 2, 1981
CNG Research Company
Robert J. Adler
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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last 30 trademarks