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Kerr-McGee Coal Corporation
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Oklahoma City, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Soot removal from exhaust gas
Patent number
5,125,230
Issue date
Jun 30, 1992
Kerr-McGee Coal Corporation
Robert E. Leonard
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Soot removal from exhaust gas
Patent number
4,908,047
Issue date
Mar 13, 1990
Kerr-McGee Coal Corporation
Robert E. Leonard
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Loading system for railroad cars
Patent number
4,904,154
Issue date
Feb 27, 1990
Kerr-McGee Coal Corporation
John A. L. Campbell
G01 - MEASURING TESTING
Information
Patent Grant
Process for reducing gaseous sulfur dioxide content of flue gases b...
Patent number
4,746,498
Issue date
May 24, 1988
Kerr-McGee Coal Corporation
Virgil J. Barczak
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Process for treating coal to reduce sulfur content in flue gases pr...
Patent number
4,702,899
Issue date
Oct 27, 1987
Kerr-McGee Coal Corporation
Virgil J. Barczak
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Reducing sulfur content in flue gases produced by coal combustion
Patent number
4,645,654
Issue date
Feb 24, 1987
Kerr-McGee Coal Corporation
Virgil J. Barczak
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
System for batch loading coal into railroad cars
Patent number
4,629,392
Issue date
Dec 16, 1986
Kerr-McGee Coal Corporation
John A. L. Campbell
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method for loading coal into railroad cars
Patent number
4,460,308
Issue date
Jul 17, 1984
Kerr-McGee Coal Corporation
Jack L. Moon
G01 - MEASURING TESTING
Information
Patent Grant
Particulate material transfer system
Patent number
4,417,840
Issue date
Nov 29, 1983
Kerr-McGee Coal Corporation
Weldon K. Johnson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Particulate material transfer system
Patent number
4,396,339
Issue date
Aug 2, 1983
Kerr-McGee Coal Corporation
Weldon K. Johnson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process for degasification of subterranean mineral deposits
Patent number
4,299,295
Issue date
Nov 10, 1981
Kerr-McGee Coal Corporation
Amzi Gossard
E21 - EARTH DRILLING MINING
Information
Patent Grant
Particulate material transfer system
Patent number
4,290,725
Issue date
Sep 22, 1981
Kerr-McGee Coal Corporation
Weldon K. Johnson
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Articulate material transfer system
Patent number
4,277,215
Issue date
Jul 7, 1981
Kerr-McGee Coal Corporation
Weldon K. Johnson
B61 - RAILWAYS
Information
Patent Grant
Process for use in degasification of subterranean mineral deposits
Patent number
4,273,193
Issue date
Jun 16, 1981
Kerr-McGee Coal Corporation
John C. Tompkins
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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