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Ronald D. Key
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Tulsa, OK, US
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Patents Grants
last 30 patents
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Patent Grant
Process and apparatus for C2 recovery
Patent number
8,093,440
Issue date
Jan 10, 2012
Linde Process Plants, Inc.
Ronald D. Key
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for C2 recovery
Patent number
7,544,272
Issue date
Jun 9, 2009
Linde Process Plants, Inc.
Ronald D. Key
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for C3 recovery
Patent number
6,311,516
Issue date
Nov 6, 2001
Ronald D. Key
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for C2 recovery
Patent number
6,278,035
Issue date
Aug 21, 2001
Ronald D. Key
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS AND APPARATUS FOR C2 RECOVERY
Publication number
20110118524
Publication date
May 19, 2011
Ronald D. KEY
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR C2 RECOVERY
Publication number
20100087696
Publication date
Apr 8, 2010
Ronald D. KEY
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Apparatus for C2 recovery
Publication number
20020042551
Publication date
Apr 11, 2002
PRO-QUIP CORPORATION
Ronald D. Key
C07 - ORGANIC CHEMISTRY