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Sang Kook Lee
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Allentown, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure swing adsorption method and system with multiple-vessel beds
Patent number
8,529,674
Issue date
Sep 10, 2013
Air Products and Chemicals, Inc.
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pressure swing adsorption method and system with multiple-vessel beds
Patent number
7,879,138
Issue date
Feb 1, 2011
Air Products and Chemicals, Inc.
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Combined cryogenic distillation and PSA for argon production
Patent number
7,501,009
Issue date
Mar 10, 2009
Air Products and Chemicals, Inc.
David Ross Graham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Pressure swing adsorption process with controlled internal depressu...
Patent number
6,709,486
Issue date
Mar 23, 2004
Air Products and Chemicals, Inc.
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Vacuum swing adsorption process with controlled waste gas withdrawal
Patent number
6,641,645
Issue date
Nov 4, 2003
Air Products and Chemicals, Inc.
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Granular bed restraint system
Patent number
6,605,135
Issue date
Aug 12, 2003
Air Products and Chemicals, Inc.
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Nitrogen PSA with intermediate pressure transfer
Patent number
5,738,709
Issue date
Apr 14, 1998
Air Products and Chemicals, Inc.
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
High purity nitrogen PSA utilizing controlled internal flows
Patent number
5,441,558
Issue date
Aug 15, 1995
Air Products and Chemicals, Inc.
Sang K. Lee
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Pressure swing absorption with recycle of void space gas
Patent number
5,429,664
Issue date
Jul 4, 1995
Air Products and Chemicals, Inc.
Sang K. Lee
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Pressure Swing Adsorption Method and System With Multiple-Vessel Beds
Publication number
20100294133
Publication date
Nov 25, 2010
Air Products and Chemicals, Inc.
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Pressure swing adsorption method and system with multiple-vessel beds
Publication number
20080022851
Publication date
Jan 31, 2008
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Combined cryogenic distillation and PSA for argon production
Publication number
20070209508
Publication date
Sep 13, 2007
David Ross Graham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Pressure swing adsorption process with controlled internal depressu...
Publication number
20030188634
Publication date
Oct 9, 2003
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Granular bed restraint system
Publication number
20030056649
Publication date
Mar 27, 2003
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL