LeRoy A Clavenna

Person

Baton Rouge, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Silicon-containing steel compostition with improved heat exchanger...
- Patent number 8,470,097
- Issue date Jun 25, 2013
- ExxonMobil Research and Engineering Company
- ChangMin Chun
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Silicon-containing steel composition with improved heat exchanger c...
- Patent number 8,211,548
- Issue date Jul 3, 2012
- ExxonMobil Research & Engineering Co.
- ChangMin Chun
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Vibration actuation system with independent control of frequency an...
- Patent number 7,862,224
- Issue date Jan 4, 2011
- ExxonMobil Research and Engineering Company
- Limin Song
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Vibration actuation system with independent control of frequency an...
- Patent number 7,726,871
- Issue date Jun 1, 2010
- ExxonMobil Research and Engineering Company
- Limin Song
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Carbon monoxide hydrogenation process
- Patent number 6,624,204
- Issue date Sep 23, 2003
- ExxonMobil Research and Engineering Company
- Michel A. Daage
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for increasing carbon monoxide hydrogenation activity of ca...
- Patent number 6,531,517
- Issue date Mar 11, 2003
- ExxonMobil Research and Engineering Company
- William Augustine Wachter
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Cobalt catalyst compositions useful for conducting carbon monoxide...
- Patent number 6,521,565
- Issue date Feb 18, 2003
- ExxonMobil Research and Engineering Company
- Leroy Russell Clavenna
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for increasing cobalt catalyst hydrogenation activity via a...
- Patent number 6,465,529
- Issue date Oct 15, 2002
- ExxonMobil Research and Engineering Company
- Michel Andre Daage
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Distributed injection catalytic partial oxidation process and appar...
- Patent number 6,267,912
- Issue date Jul 31, 2001
- Exxon Research and Engineering Co.
- Frank Hershkowitz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Rapid injection catalytic partial oxidation process and apparatus f...
- Patent number 5,883,138
- Issue date Mar 16, 1999
- Exxon Research and Engineering Company
- Frank Hershkowitz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of hydrogen from a fluid coking process using steam refo...
- Patent number 5,597,474
- Issue date Jan 28, 1997
- Exxon Research and Engineering Co.
- Michael C. Kerby
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
High surface purity heat transfer solids for high temperature fluid...
- Patent number 5,496,531
- Issue date Mar 5, 1996
- Exxon Research and Engineering Company
- Stephen M. Davis
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Particulate solids for catalyst supports and heat transfer materials
- Patent number 5,476,877
- Issue date Dec 19, 1995
- Exxon Research and Engineering Company
- LeRoy R. Clavenna
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the elimination of silica and other impurities in fluid...
- Patent number 5,421,841
- Issue date Jun 6, 1995
- Exxon Research and Engineering Company
- LeRoy R. Clavenna
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High energy level in situ attrition and break up of catalyst to mai...
- Patent number 5,421,842
- Issue date Jun 6, 1995
- Exxon Research and Engineering Company
- Robert H. Shabaker
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Particulate solids for catalyst supports and heat transfer materials
- Patent number 5,395,813
- Issue date Mar 7, 1995
- Exxon Research and Engineering Company
- LeRoy R. Clavenna
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Structurally modified alumina supports, and heat transfer solids fo...
- Patent number 5,395,406
- Issue date Mar 7, 1995
- Exxon Research and Engineering Company
- LeRoy R. Clavenna
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High surface purity heat transfer solids for high temperature fluid...
- Patent number 5,360,778
- Issue date Nov 1, 1994
- Exxon Research and Engineering Company
- Stephen M. Davis
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High performance alumina heat transfer solids for high temperature...
- Patent number 5,360,777
- Issue date Nov 1, 1994
- Exxon Research and Engineering Company
- Stephen M. Davis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the reactivation of nickel-alumina catalysts
- Patent number 5,356,845
- Issue date Oct 18, 1994
- Exxon Research and Engineering Company
- LeRoy R. Clavenna
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Synthesis gas from particulate catalysts, and admixtures of particu...
- Patent number 5,348,717
- Issue date Sep 20, 1994
- Exxon Research and Engineering Co.
- LeRoy R. Clavenna
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cement production from coal conversion residues
- Patent number 4,260,421
- Issue date Apr 7, 1981
- Exxon Research and Engineering Co.
- Leo D. Brown
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Alkali metal recovery from carbonaceous material conversion process
- Patent number 4,193,771
- Issue date Mar 18, 1980
- Exxon Research and Engineering Co.
- David W. Sharp
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Hydrothermal alkali metal recovery process
- Patent number 4,159,195
- Issue date Jun 26, 1979
- Exxon Research and Engineering Co.
- LeRoy R. Clavenna
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrothermal alkali metal catalyst recovery process
- Patent number 4,157,246
- Issue date Jun 5, 1979
- Exxon Research and Engineering Co.
- James M. Eakman
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Preparation of mixed metal oxides by decomposition of carbonate sol...
- Patent number 4,060,500
- Issue date Nov 29, 1977
- Exxon Research and Engineering Company
- LeRoy R. Clavenna
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Use of perovskites and perovskite-related compounds as battery cath...
- Patent number 3,939,008
- Issue date Feb 17, 1976
- Exxon Research and Engineering Company
- John M. Longo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SILICON-CONTAINING STEEL COMPOSTITION WITH IMPROVED HEAT EXCHANGER...
- Publication number 20120273091
- Publication date Nov 1, 2012
- ExxonMobil Research and Engineering Company
- ChangMin Chun
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
VIBRATION ACTUATION SYSTEM WITH INDEPENDENT CONTROL OF FREQUENCY AN...
- Publication number 20100193159
- Publication date Aug 5, 2010
- ExxonMobil Research and Engineering Company
- Limin SONG
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Vibration actuation system with independent control of frequency an...
- Publication number 20080149308
- Publication date Jun 26, 2008
- Limin Song
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Reduction of fouling in heat exchangers
- Publication number 20080073063
- Publication date Mar 27, 2008
- ExxonMobil Research and Engineering Company
- LeRoy R. Clavenna
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Silicon-containing steel composition with improved heat exchanger c...
- Publication number 20070178322
- Publication date Aug 2, 2007
- ExxonMobil Research and Engineering Company
- ChangMin Chun
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Method for reducing fouling in a refinery
- Publication number 20070144631
- Publication date Jun 28, 2007
- ExxonMobil Research and Engineering Company
- LeRoy Clavenna
- C21 - METALLURGY OF IRON
Information Patent Application
Modifying steel surfaces to mitigate fouling and corrosion
- Publication number 20060182888
- Publication date Aug 17, 2006
- Ian A. Cody
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

LeRoy A Clavenna

Person

Patents Grantslast 30 patents

Silicon-containing steel compostition with improved heat exchanger...

Silicon-containing steel composition with improved heat exchanger c...

Vibration actuation system with independent control of frequency an...

Vibration actuation system with independent control of frequency an...

Carbon monoxide hydrogenation process

Process for increasing carbon monoxide hydrogenation activity of ca...

Cobalt catalyst compositions useful for conducting carbon monoxide...

Process for increasing cobalt catalyst hydrogenation activity via a...

Distributed injection catalytic partial oxidation process and appar...

Rapid injection catalytic partial oxidation process and apparatus f...

Production of hydrogen from a fluid coking process using steam refo...

High surface purity heat transfer solids for high temperature fluid...

Particulate solids for catalyst supports and heat transfer materials

Process for the elimination of silica and other impurities in fluid...

High energy level in situ attrition and break up of catalyst to mai...

Particulate solids for catalyst supports and heat transfer materials

Structurally modified alumina supports, and heat transfer solids fo...

High surface purity heat transfer solids for high temperature fluid...

High performance alumina heat transfer solids for high temperature...

Process for the reactivation of nickel-alumina catalysts

Synthesis gas from particulate catalysts, and admixtures of particu...

Cement production from coal conversion residues

Alkali metal recovery from carbonaceous material conversion process

Hydrothermal alkali metal recovery process

Hydrothermal alkali metal catalyst recovery process

Preparation of mixed metal oxides by decomposition of carbonate sol...

Use of perovskites and perovskite-related compounds as battery cath...

Patents Applicationslast 30 patents

SILICON-CONTAINING STEEL COMPOSTITION WITH IMPROVED HEAT EXCHANGER...

VIBRATION ACTUATION SYSTEM WITH INDEPENDENT CONTROL OF FREQUENCY AN...

Vibration actuation system with independent control of frequency an...

Reduction of fouling in heat exchangers

Silicon-containing steel composition with improved heat exchanger c...

Method for reducing fouling in a refinery

Modifying steel surfaces to mitigate fouling and corrosion