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George B. Karnofsky
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process for solvent extraction of bitumen from oil sand
Patent number
4,448,667
Issue date
May 15, 1984
Dravo Corporation
George B. Karnofsky
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus for the continuous solvent extraction of bitumen from oil...
Patent number
4,422,901
Issue date
Dec 27, 1983
Dravo Corporation
George B. Karnofsky
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for extracting oleaginous seed materials particularly cotto...
Patent number
4,359,417
Issue date
Nov 16, 1982
Dravo Corporation
George B. Karnofsky
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Process for rectification of miscella from extraction of oleaginous...
Patent number
4,288,297
Issue date
Sep 8, 1981
Dravo Corporation
George B. Karnofsky
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and apparatus for solvent extraction of oil from oil-contai...
Patent number
4,239,617
Issue date
Dec 16, 1980
George B. Karnofsky
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for preparing a protein concentrate and the product obtaine...
Patent number
4,219,470
Issue date
Aug 26, 1980
Dravo Corporation
George B. Karnofsky
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process and apparatus for solvent extraction of oil from oil-contai...
Patent number
4,167,470
Issue date
Sep 11, 1979
George B. Karnofsky
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for preparing a flour and the product obtained thereby
Patent number
4,144,229
Issue date
Mar 13, 1979
Dravo Corporation
George B. Karnofsky
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Multiple effect evaporation process
Patent number
3,993,535
Issue date
Nov 23, 1976
Dravo Corporation
George B. Karnofsky
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for melting ice in saline water conversion sys...
Patent number
3,992,170
Issue date
Nov 16, 1976
Dravo Corporation
George B. Karnofsky
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for preparing a protein concentrate with minimal protein de...
Patent number
3,970,764
Issue date
Jul 20, 1976
Dravo Corporation
George B. Karnofsky
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES