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David L. Mitchell Jr.
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Coopersburg, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Gas dispersion apparatus for improved gas-liquid mass transfer
Patent number
8,871,098
Issue date
Oct 28, 2014
Air Products and Chemicals, Inc.
Vipul P. Dholakia
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for humidifying a gas stream
Patent number
6,123,324
Issue date
Sep 26, 2000
Air Products and Chemicals, Inc.
Robert Bruce Swan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Atmospheres for extending life of wire mesh belts used in sintering...
Patent number
5,613,185
Issue date
Mar 18, 1997
Air Products and Chemicals, Inc.
James G. Marsden
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Graphite/carbon articles for elevated temperature service and metho...
Patent number
5,352,523
Issue date
Oct 4, 1994
Air Products and Chemicals, Inc.
Zbigniew Zurecki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing nitrogen-hydrogen atmospheres for metals proces...
Patent number
5,348,592
Issue date
Sep 20, 1994
Air Products and Chemicals, Inc.
Diwakar Garg
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Graphite/carbon articles for elevated temperature service and metho...
Patent number
5,304,417
Issue date
Apr 19, 1994
Air Products and Chemicals, Inc.
Zbigniew Zurecki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of forming titanium nitride coatings on carbon/graphite subs...
Patent number
5,254,359
Issue date
Oct 19, 1993
Air Products and Chemicals, Inc.
Zbigniew Zurecki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method and apparatus for individually quick freezing small surface...
Patent number
5,220,802
Issue date
Jun 22, 1993
Air Products and Chemicals, Inc.
Edward F. Kiczek
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method and apparatus for individually quick freezing small surface...
Patent number
5,168,723
Issue date
Dec 8, 1992
Air Products and Chemicals, Inc.
Edward F. Kiczek
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Patents Applications
last 30 patents
Information
Patent Application
Gas Dispersion Apparatus for Improved Gas-Liquid Mass Transfer
Publication number
20130075345
Publication date
Mar 28, 2013
Air Products and Chemicals, Inc.
Vipul P. Dholakia
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE