Robert E. Leonard

Person

Oklahoma City, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing a vapor mixture of titanium tetrachloride and...
- Patent number 5,300,273
- Issue date Apr 5, 1994
- Kerr-McGee Chemical Corporation
- Robert E. Leonard
- C01 - INORGANIC CHEMISTRY
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
Apparatus for soot removal from exhaust gas
- Patent number 5,003,774
- Issue date Apr 2, 1991
- Kerr-McGee Chemical 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
Method for removal of coal tar based contaminants from waste waters
- Patent number 4,729,832
- Issue date Mar 8, 1988
- Kerr-McGee Chemical Corporation
- Robert E. Leonard
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for treating wood products
- Patent number 4,670,992
- Issue date Jun 9, 1987
- Kerr-McGee Chemical Corporation
- Robert E. Leonard
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Process for the preservation of wood products
- Patent number 4,668,539
- Issue date May 26, 1987
- Kerr-McGee Chemical Corporation
- Robert E. Leonard
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Energy efficient process for separating hydrocarbonaceous materials...
- Patent number 4,305,814
- Issue date Dec 15, 1981
- Kerr-McGee Refining Corporation
- Robert E. Leonard
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Supercritical process for producing deasphalted demetallized and de...
- Patent number 4,290,880
- Issue date Sep 22, 1981
- Kerr-McGee Refining Corporation
- Robert E. Leonard
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for utilizing mineral-containing residue from coal liquefac...
- Patent number 4,249,951
- Issue date Feb 10, 1981
- Kerr-McGee Corporation
- Robert E. Leonard
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
System for producing a powdery composition comprising coal products...
- Patent number 4,244,812
- Issue date Jan 13, 1981
- Kerr-McGee Corporation
- Roger A. Baldwin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of improving yield in a coal liquefaction product deashing p...
- Patent number 4,164,466
- Issue date Aug 14, 1979
- Kerr-McGee Corporation
- Roger A. Baldwin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of feeding solids to a process unit
- Patent number 4,162,957
- Issue date Jul 31, 1979
- Kerr-McGee Corporation
- Robert E. Leonard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of handling ash-rich material in a coal deashing process
- Patent number 4,162,964
- Issue date Jul 31, 1979
- Kerr-McGee Corporation
- Robert E. Leonard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Use of deashed coal as a flushing agent in a coal deashing process
- Patent number 4,153,538
- Issue date May 8, 1979
- Kerr-McGee Corporation
- Robert E. Leonard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coal deashing process having improved solvent recovery techniques
- Patent number 4,119,524
- Issue date Oct 10, 1978
- Kerr-McGee Corporation
- Robert E. Leonard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
System for separating soluble and insoluble coal products from a fe...
- Patent number 4,090,957
- Issue date May 23, 1978
- Kerr-McGee Corporation
- Robert E. Leonard
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Coal processing system for producing a stream of flowable insoluble...
- Patent number 4,090,958
- Issue date May 23, 1978
- Kerr-McGee Corporation
- Robert Edward Leonard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coal processing system for reducing the amount of insoluble coal pr...
- Patent number 4,070,267
- Issue date Jan 24, 1978
- Kerr-McGee Corporation
- Robert E. Leonard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Robert E. Leonard

Person

Patents Grantslast 30 patents

Process for producing a vapor mixture of titanium tetrachloride and...

Soot removal from exhaust gas

Apparatus for soot removal from exhaust gas

Soot removal from exhaust gas

Method for removal of coal tar based contaminants from waste waters

Process for treating wood products

Process for the preservation of wood products

Energy efficient process for separating hydrocarbonaceous materials...

Supercritical process for producing deasphalted demetallized and de...

Process for utilizing mineral-containing residue from coal liquefac...

System for producing a powdery composition comprising coal products...

Method of improving yield in a coal liquefaction product deashing p...

Method of feeding solids to a process unit

Method of handling ash-rich material in a coal deashing process

Use of deashed coal as a flushing agent in a coal deashing process

Coal deashing process having improved solvent recovery techniques

System for separating soluble and insoluble coal products from a fe...

Coal processing system for producing a stream of flowable insoluble...

Coal processing system for reducing the amount of insoluble coal pr...