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Howard C. Rowles
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Center Valley, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Integrated high pressure NGL recovery in the production of liquefie...
Patent number
6,662,589
Issue date
Dec 16, 2003
Air Products and Chemicals, Inc.
Mark Julian Roberts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Separation of hydrogen-hydrocarbon gas mixtures using closed-loop g...
Patent number
6,560,989
Issue date
May 13, 2003
Air Products and Chemicals, Inc.
Mark Julian Roberts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for providing refrigeration to parallel heat exchangers
Patent number
6,487,876
Issue date
Dec 3, 2002
Air Products and Chemicals, Inc.
Lee Jarvis Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Dephlegmator system and process
Patent number
6,349,566
Issue date
Feb 26, 2002
Air Products and Chemicals, Inc.
Lee Jarvis Howard
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Nitrogen refrigerated process for the recovery of C2+ Hydro...
Patent number
6,266,977
Issue date
Jul 31, 2001
Air Products and Chemicals, Inc.
Lee Jarvis Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Production of refrigerated liquid methane
Patent number
5,983,665
Issue date
Nov 16, 1999
Air Products and Chemicals, Inc.
Lee Jarvis Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Dephlegmator process for nitrogen removal from natural gas
Patent number
5,802,871
Issue date
Sep 8, 1998
Air Products and Chemicals, Inc.
Lee Jarvis Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Recovery of hydrocarbons from polyalkene product purge gas
Patent number
5,741,350
Issue date
Apr 21, 1998
Air Products and Chemicals, Inc.
Howard Charles Rowles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Olefin recovery from olefin-hydrogen mixtures
Patent number
5,634,354
Issue date
Jun 3, 1997
Air Products and Chemicals, Inc.
Lee J. Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Light component stripping in plate-fin heat exchangers
Patent number
5,596,883
Issue date
Jan 28, 1997
Air Products and Chemicals, Inc.
Dennis P. Bernhard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Recovery of hydrocarbons from polyalkene product purge gas
Patent number
5,533,437
Issue date
Jul 9, 1996
Air Products and Chemicals, Inc.
Lee J. Howard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mixed refrigerant cycle for ethylene recovery
Patent number
5,502,972
Issue date
Apr 2, 1996
Air Products and Chemicals, Inc.
Lee J. Howard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Open loop mixed refrigerant cycle for ethylene recovery
Patent number
5,497,626
Issue date
Mar 12, 1996
Air Products and Chemicals, Inc.
Lee J. Howard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mixed refrigerant cycle for ethylene recovery
Patent number
5,379,597
Issue date
Jan 10, 1995
Air Products and Chemicals, Inc.
Lee J. Howard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Open loop mixed refrigerant cycle for ethylene recovery
Patent number
5,377,490
Issue date
Jan 3, 1995
Air Products and Chemicals, Inc.
Lee J. Howard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Precooling for ethylene recovery in dual demethanizer fractionation...
Patent number
5,361,589
Issue date
Nov 8, 1994
Air Products and Chemicals, Inc.
Lee J. Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for the recovery of C.sub.2 + or C.sub.3 + hydrocarbons
Patent number
5,287,703
Issue date
Feb 22, 1994
Air Products and Chemicals, Inc.
Dennis P. Bernhard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mixed refrigerant/expander process for the recovery of C3+ hydrocar...
Patent number
4,921,514
Issue date
May 1, 1990
Air Products and Chemicals, Inc.
Howard C. Rowles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the recovery of hydrogen/heavy hydrocarbons from hydrog...
Patent number
4,749,393
Issue date
Jun 7, 1988
Air Products and Chemicals, Inc.
Howard C. Rowles
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Low pressure process for C.sub.3.sup.+ liquids recovery from proces...
Patent number
4,734,115
Issue date
Mar 29, 1988
Air Products and Chemicals, Inc.
Lee J. Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Dephlegmator process for nitrogen rejection from natural gas
Patent number
4,732,598
Issue date
Mar 22, 1988
Air Products and Chemicals, Inc.
Howard C. Rowles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the recovery and purification of ethylene
Patent number
4,720,293
Issue date
Jan 19, 1988
Air Products and Chemicals, Inc.
Howard C. Rowles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dephlegmator process for carbon dioxide-hydrocarbon distillation
Patent number
4,720,294
Issue date
Jan 19, 1988
Air Products and Chemicals, Inc.
Gene A. Lucadamo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for recovery and purification of C.sub.3 -C.sub.4+ hydrocar...
Patent number
4,714,487
Issue date
Dec 22, 1987
Air Products and Chemicals, Inc.
Howard C. Rowles
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Staged multicomponent refrigerant cycle for a process for recovery...
Patent number
4,707,170
Issue date
Nov 17, 1987
Air Products and Chemicals, Inc.
Calvin L. Ayres
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dual dephlegmator process to separate and purify syngas mixtures
Patent number
4,525,187
Issue date
Jun 25, 1985
Air Products and Chemicals, Inc.
Donald W. Woodward
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering C.sub.4 + hydrocarbons using a dephlegmator
Patent number
4,519,825
Issue date
May 28, 1985
Air Products and Chemicals, Inc.
Dennis P. Bernhard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Perforated bubble caps for enhanced vapor/liquid contact on a disti...
Patent number
4,510,023
Issue date
Apr 9, 1985
Air Products and Chemicals, Inc.
Douglas L. Bennett
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process using serpentine heat exchange relationship for condensing...
Patent number
4,496,382
Issue date
Jan 29, 1985
Air Products and Chemicals, Inc.
Jacob M. Geist
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Nitrogen rejection process incorporating a serpentine heat exchanger
Patent number
4,455,158
Issue date
Jun 19, 1984
Air Products and Chemicals, Inc.
Harvey L. Vines
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
Heat exchanger column
Publication number
20020166656
Publication date
Nov 14, 2002
Lee Jarvis Howard
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Method for providing refrigeration to parallel heat exchangers
Publication number
20020124595
Publication date
Sep 12, 2002
Lee Jarvis Howard
C01 - INORGANIC CHEMISTRY