Leonard J. Keller

Person

Dallas, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Stabilized suspensions of carbon or carbonaceous fuel particles in...
- Patent number 5,045,087
- Issue date Sep 3, 1991
- The Keller Corporation
- Leonard J. Keller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of producing pulverulent carbonaceous fuel
- Patent number 4,192,651
- Issue date Mar 11, 1980
- The Keller Corporation
- Leonard J. Keller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of removing gangue materials from coal
- Patent number 4,146,366
- Issue date Mar 27, 1979
- The Keller Corporation
- Leonard J. Keller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for converting combustor from hydrocarbonaceous fuel to carb...
- Patent number 4,097,217
- Issue date Jun 27, 1978
- The Keller Corporation
- Leonard J. Keller
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Stabilized suspension of carbon in hydrocarbon fuel and method of p...
- Patent number 4,089,657
- Issue date May 16, 1978
- The Keller Corporation
- Leonard James Keller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Fuel composition and method of manufacture
- Patent number 4,045,092
- Issue date Aug 30, 1977
- The Keller Corporation
- Leonard J. Keller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of preparing low-sulfur, low-ash fuel
- Patent number 4,030,893
- Issue date Jun 21, 1977
- The Keller Corporation
- Leonard J. Keller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method and apparatus for controlled fracturing of subterranean form...
- Patent number 4,018,293
- Issue date Apr 19, 1977
- The Keller Corporation
- Leonard J. Keller
- F42 - AMMUNITION BLASTING
Information Patent Grant
Method of making available fuels from arctic environments
- Patent number 3,968,999
- Issue date Jul 13, 1976
- The Keller Corporation
- Leonard J. Keller
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Leonard J. Keller

Person

Patents Grantslast 30 patents

Stabilized suspensions of carbon or carbonaceous fuel particles in...

Method of producing pulverulent carbonaceous fuel

Method of removing gangue materials from coal

Method for converting combustor from hydrocarbonaceous fuel to carb...

Stabilized suspension of carbon in hydrocarbon fuel and method of p...

Fuel composition and method of manufacture

Method of preparing low-sulfur, low-ash fuel

Method and apparatus for controlled fracturing of subterranean form...

Method of making available fuels from arctic environments