Harry Cheung

Person

Buffalo, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cryogenic rectification system for enhanced argon production
- Patent number 5,161,380
- Issue date Nov 10, 1992
- Union Carbide Industrial Gases Technology Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Cryogenic air separation method for the production of oxygen and me...
- Patent number 5,074,898
- Issue date Dec 24, 1991
- Union Carbide Industrial Gases Technology Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Dry, high purity nitrogen production process and system
- Patent number 4,934,148
- Issue date Jun 19, 1990
- Union Carbide Corporation
- Ravi Prasad
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Cryogenic rectification process for producing ultra high purity nit...
- Patent number 4,902,321
- Issue date Feb 20, 1990
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Air separation process and apparatus for high argon recovery and mo...
- Patent number 4,822,395
- Issue date Apr 18, 1989
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process and apparatus to produce ultra high purity oxygen from a li...
- Patent number 4,780,118
- Issue date Oct 25, 1988
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process and apparatus to produce ultra high purity oxygen from a ga...
- Patent number 4,755,202
- Issue date Jul 5, 1988
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process to produce an oxygen-free krypton-xenon concentrate
- Patent number 4,647,299
- Issue date Mar 3, 1987
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hybrid nitrogen generator with auxiliary column drive
- Patent number 4,604,117
- Issue date Aug 5, 1986
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hybrid nitrogen generator with auxiliary reboiler drive
- Patent number 4,594,085
- Issue date Jun 10, 1986
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process to produce a krypton-xenon concentrate from a liquid feed
- Patent number 4,574,006
- Issue date Mar 4, 1986
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process to produce a krypton-xenon concentrate and a gaseous oxygen...
- Patent number 4,568,528
- Issue date Feb 4, 1986
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Air separation process to produce elevated pressure oxygen
- Patent number 4,560,398
- Issue date Dec 24, 1985
- Union Carbide Corporation
- Robert A. Beddome
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process to produce ultrahigh purity oxygen
- Patent number 4,560,397
- Issue date Dec 24, 1985
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Double column multiple condenser-reboiler high pressure nitrogen pr...
- Patent number 4,453,957
- Issue date Jun 12, 1984
- Union Carbide Corporation
- Ravindra F. Pahade
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Split column multiple condenser-reboiler air separation process
- Patent number 4,448,595
- Issue date May 15, 1984
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hydrogen-water isotopic exchange process
- Patent number 4,399,120
- Issue date Aug 16, 1983
- Union Carbide Corporation
- Harry Cheung
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of high pressure oxygen gas
- Patent number 4,345,925
- Issue date Aug 24, 1982
- Union Carbide Corporation
- Harry Cheung
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Gas gettering system
- Patent number 4,272,259
- Issue date Jun 9, 1981
- Union Carbide Corporation
- Michael F. Patterson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Split stream methanation process
- Patent number 4,235,044
- Issue date Nov 25, 1980
- Union Carbide Corporation
- Harry Cheung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Porous metal-alumina composite
- Patent number 4,193,793
- Issue date Mar 18, 1980
- Union Carbide Corporation
- Harry Cheung
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Ethylene production with utilization of LNG refrigeration
- Patent number 4,121,917
- Issue date Oct 24, 1978
- Union Carbide Corporation
- Charles Richard Baker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Porous metal-alumina composite
- Patent number 4,058,485
- Issue date Nov 15, 1977
- Union Carbide Corporation
- Harry Cheung
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Harry Cheung

Person

Patents Grantslast 30 patents

Cryogenic rectification system for enhanced argon production

Cryogenic air separation method for the production of oxygen and me...

Dry, high purity nitrogen production process and system

Cryogenic rectification process for producing ultra high purity nit...

Air separation process and apparatus for high argon recovery and mo...

Process and apparatus to produce ultra high purity oxygen from a li...

Process and apparatus to produce ultra high purity oxygen from a ga...

Process to produce an oxygen-free krypton-xenon concentrate

Hybrid nitrogen generator with auxiliary column drive

Hybrid nitrogen generator with auxiliary reboiler drive

Process to produce a krypton-xenon concentrate from a liquid feed

Process to produce a krypton-xenon concentrate and a gaseous oxygen...

Air separation process to produce elevated pressure oxygen

Process to produce ultrahigh purity oxygen

Double column multiple condenser-reboiler high pressure nitrogen pr...

Split column multiple condenser-reboiler air separation process

Hydrogen-water isotopic exchange process

Process for the production of high pressure oxygen gas

Gas gettering system

Split stream methanation process

Porous metal-alumina composite

Ethylene production with utilization of LNG refrigeration

Porous metal-alumina composite