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PARAHO CORPORATION
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DENVER, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Zone separator for multiple zone vessels
Patent number
4,371,335
Issue date
Feb 1, 1983
Paraho Corporation
John B. Jones
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluid-solid contact vessel having fluid distributors therein
Patent number
4,221,638
Issue date
Sep 9, 1980
Paraho Corporation
John B. Jones
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Indirect heating pyrolysis of oil shale
Patent number
4,116,810
Issue date
Sep 26, 1978
Paraho Corporation
John B. Jones
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Starting procedure for internal combustion vessels
Patent number
4,116,779
Issue date
Sep 26, 1978
Paraho Corporation
Harry A. Harris
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Desulfurized gas production from vertical kiln pyrolysis
Patent number
4,092,128
Issue date
May 30, 1978
Paraho Corporation
Harry A. Harris
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of operating an oil shale kiln
Patent number
4,090,945
Issue date
May 23, 1978
Paraho Corporation
Adam A. Reeves
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of design for vertical oil shale retorting vessels and retor...
Patent number
4,066,529
Issue date
Jan 3, 1978
Paraho Corporation
Adam A. Reeves
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73010649 - PARAHO
Serial number
73010649
Registration number
1002718
Filing date
Jan 10, 1974
PARAHO CORPORATION
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes