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Donald E. Hardesty
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Brookshire, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Stage catalyst concentric annular stripper
Patent number
5,260,034
Issue date
Nov 9, 1993
Shell Oil Company
David A. Van Kleeck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Reactor and horizontal cyclone separator with primary mass flow and...
Patent number
4,731,228
Issue date
Mar 15, 1988
Shell Oil Company
Thomas S. Dewitz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for the separation of fluid cracking catalyst particles f...
Patent number
4,692,311
Issue date
Sep 8, 1987
Shell Oil Company
Wesley A. Parker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Selective placement of fluid injection in a riser reactor equipped...
Patent number
4,692,235
Issue date
Sep 8, 1987
Shell Oil Company
Wesley A. Parker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Mechanical implant to reduce back pressure in a riser reactor equip...
Patent number
4,666,675
Issue date
May 19, 1987
Shell Oil Company
Wesley A. Parker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for suppressing the dusting of coal
Patent number
4,582,511
Issue date
Apr 15, 1986
Shell Oil Company
Mark A. Siddoway
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Solvent dewatering coal
Patent number
4,459,762
Issue date
Jul 17, 1984
Shell Oil Company
Donald E. Hardesty
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Separation of fluid cracking catalyst particles from gaseous hydroc...
Patent number
4,455,220
Issue date
Jun 19, 1984
Shell Oil Company
Wesley A. Parker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for feeding slurry-pressurized and solvent-dewatered coal i...
Patent number
4,422,246
Issue date
Dec 27, 1983
Shell Oil Company
Donald E. Hardesty
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...