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James Robert Dray
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Buffalo, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Refrigeration cycle for liquid oxygen densification
Patent number
11,293,671
Issue date
Apr 5, 2022
Praxair Technology, Inc.
Neil M. Prosser
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Refrigeration cycle for liquid oxygen densification
Patent number
10,808,967
Issue date
Oct 20, 2020
Praxair Technology, Inc.
Neil M. Prosser
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
System and method for recovery of neon and helium from an air separ...
Patent number
10,408,536
Issue date
Sep 10, 2019
Praxair Technology, Inc.
Maulik R. Shelat
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for recovery of non-condensable gases such as neo...
Patent number
10,295,254
Issue date
May 21, 2019
Praxair Technology, Inc.
Vijayaraghavan S. Chakravarthy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Adsorbent regeneration method
Patent number
10,105,637
Issue date
Oct 23, 2018
Praxair Technology, Inc.
Mohamed Hashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cryogenic system for producing xenon employing a xenon concentrator...
Patent number
6,378,333
Issue date
Apr 30, 2002
Praxair Technology, Inc.
James Robert Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification system for producing ultra high purity oxygen
Patent number
6,327,873
Issue date
Dec 11, 2001
Praxair Technology Inc.
James Robert Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification system for processing atmospheric fluids
Patent number
6,314,757
Issue date
Nov 13, 2001
Prakair Technology, Inc.
James Robert Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Rapid restart system for cryogenic air separation plant
Patent number
6,272,884
Issue date
Aug 14, 2001
Praxair Technology, Inc.
John Fredric Billingham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation with combined prepurifier and regenerators
Patent number
5,802,872
Issue date
Sep 8, 1998
Praxair Technology, Inc.
John Fredric Billingham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification system for producing dual purity oxygen
Patent number
5,546,767
Issue date
Aug 20, 1996
Praxair Technology, Inc.
James R. Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Single column cryogenic rectification system for producing nitrogen...
Patent number
5,303,556
Issue date
Apr 19, 1994
Praxair Technology, Inc.
James R. Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system for producing gaseous oxygen
Patent number
5,265,429
Issue date
Nov 30, 1993
Praxair Technology, Inc.
James R. Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification system for producing high purity oxygen
Patent number
5,235,816
Issue date
Aug 17, 1993
Praxair Technology, Inc.
David R. Parsnick
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system with dual product side condenser
Patent number
5,148,680
Issue date
Sep 22, 1992
Union Carbide Industrial Gases Technology Corporation
James R. Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system for producing elevated pressure pro...
Patent number
5,114,452
Issue date
May 19, 1992
Union Carbide Industrial Gases Technology Corporation
James R. Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system with dual temperature feed turboexp...
Patent number
5,108,476
Issue date
Apr 28, 1992
Union Carbide Industrial Gases Technology Corporation
James R. Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system with dual feed air side condensers
Patent number
5,098,456
Issue date
Mar 24, 1992
Union Carbide Industrial Gases Technology Corporation
James R. Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Xenon production system
Patent number
5,069,698
Issue date
Dec 3, 1991
Union Carbide Industrial Gases Technology Corporation
Harry Cheung
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system with hybrid argon column
Patent number
5,019,144
Issue date
May 28, 1991
Union Carbide Industrial Gases Technology Corporation
Richard A. Victor
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
REFRIGERATION CYCLE FOR LIQUID OXYGEN DENSIFICATION
Publication number
20200333050
Publication date
Oct 22, 2020
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR RECOVERY OF NEON AND HELIUM FROM AN AIR SEPAR...
Publication number
20190072325
Publication date
Mar 7, 2019
Maulik R. Shelat
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR RECOVERY OF NON-CONDENSABLE GASES SUCH AS NEO...
Publication number
20190072326
Publication date
Mar 7, 2019
Vijayaraghavan S. Chakravarthy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
REFRIGERATION CYCLE FOR LIQUID OXYGEN DENSIFICATION
Publication number
20180202690
Publication date
Jul 19, 2018
Neil M. Prosser
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
ADSORBENT REGENERATION METHOD
Publication number
20170087505
Publication date
Mar 30, 2017
Mohamed Hashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL