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Zbigniew Tadeusz Fidkowski
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Macungie, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for introducing low pressure reflux to a high pre...
Patent number
6,568,208
Issue date
May 27, 2003
Air Products and Chemicals, Inc.
Zbigniew Tadeusz Fidkowski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for concentrating fluorine compounds
Patent number
6,457,327
Issue date
Oct 1, 2002
Air Products and Chemicals, Inc.
Zbigniew Tadeusz Fidkowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Purification of nitrogen trifluoride by continuous cryogenic distil...
Patent number
6,276,168
Issue date
Aug 21, 2001
Air Products and Chemicals, Inc.
Zbigniew Tadeusz Fidkowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for recovering xenon or a mixture of krypton a...
Patent number
6,164,089
Issue date
Dec 26, 2000
Air Products and Chemicals, Inc.
William Paul Sweeny
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Distillation process to separate mixtures containing three or more...
Patent number
6,116,051
Issue date
Sep 12, 2000
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Operable and efficient distillation schemes for multicomponent sepa...
Patent number
6,106,674
Issue date
Aug 22, 2000
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Elevated pressure air separation process with use of waste expansio...
Patent number
6,009,723
Issue date
Jan 4, 2000
Air Products and Chemicals, Inc.
Zbigniew Tadeusz Fidkowski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Distillation schemes for multicomponent separations
Patent number
5,970,742
Issue date
Oct 26, 1999
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Distillation process to separate mixtures containing three or more...
Patent number
5,953,936
Issue date
Sep 21, 1999
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Multiple column nitrogen generators with oxygen coproduction
Patent number
5,934,104
Issue date
Aug 10, 1999
Air Products and Chemicals, Inc.
Zbigniew Tadeusz Fidkowski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Argon recovery from silicon crystal furnace
Patent number
5,706,674
Issue date
Jan 13, 1998
Air Products and Chemicals, Inc.
Thomas Hsiao-Ling Hsiung
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process to produce moderate purity oxygen using a double column plu...
Patent number
5,701,764
Issue date
Dec 30, 1997
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process to produce nitrogen using a double column plus an auxiliary...
Patent number
5,697,229
Issue date
Dec 16, 1997
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Three column cryogenic cycle for the production of impure oxygen an...
Patent number
5,682,764
Issue date
Nov 4, 1997
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process to produce high pressure nitrogen using a high pressure col...
Patent number
5,682,762
Issue date
Nov 4, 1997
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Ultra high purity oxygen distillation unit integrated with ultra hi...
Patent number
5,682,763
Issue date
Nov 4, 1997
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for producing liquid products from air in vari...
Patent number
5,678,425
Issue date
Oct 21, 1997
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...