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Yi Hua Ma
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Worcester, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High permeance sulfur tolerant Pd/Cu alloy membranes
Patent number
8,652,239
Issue date
Feb 18, 2014
Worcester Polytechnic Institute
Yi Hua Ma
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composite structures with porous anodic oxide layers and methods of...
Patent number
8,366,805
Issue date
Feb 5, 2013
Worcester Polytechnic Institute
Yi Hua Ma
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for fabricating a composite gas separation module
Patent number
7,727,596
Issue date
Jun 1, 2010
Worcester Polytechnic Institute
Yi Hua Ma
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for fabricating composite gas separation modules
Patent number
7,390,536
Issue date
Jun 24, 2008
Worcester Polytechnic Institute
Yi Hua Ma
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Composite gas separation modules having high Tamman temperature int...
Patent number
7,255,726
Issue date
Aug 14, 2007
Worcester Polytechnic Institute
Yi Hua Ma
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Composite gas separation modules having intermediate porous metal l...
Patent number
7,175,694
Issue date
Feb 13, 2007
Worcester Polytechnic Institute
Yi Hua Ma
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for curing defects in the fabrication of a composite gas sep...
Patent number
7,172,644
Issue date
Feb 6, 2007
Worcester Polytechnic Institute
Yi Hua Ma
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hydrogen gas-extraction module and method of fabrication
Patent number
6,152,987
Issue date
Nov 28, 2000
Worcester Polytechnic Institute
Yi Hua Ma
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Formation of zeolite membranes from sols
Patent number
5,258,339
Issue date
Nov 2, 1993
Worcester Polytechnic Institute
Yi H. Ma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
High Permeance Sulfur Tolerant Pd/Cu Alloy Membranes
Publication number
20110303092
Publication date
Dec 15, 2011
Yi Hua Ma
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Composite Structures with Porous Anodic Oxide Layers and Methods of...
Publication number
20100132546
Publication date
Jun 3, 2010
Yi Hua Ma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Composite gas separation modules having a layer of particles with a...
Publication number
20060016332
Publication date
Jan 26, 2006
Yi Hua Ma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for curing defects in the fabrication of a composite gas sep...
Publication number
20040244583
Publication date
Dec 9, 2004
Worcester Polytechnic Institute
Yi Hua Ma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Composite gas separation modules having high Tamman temperature int...
Publication number
20040244590
Publication date
Dec 9, 2004
Worcester Polytechnic Institute
Yi Hua Ma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Composite gas separation modules having intermediate porous metal l...
Publication number
20040237779
Publication date
Dec 2, 2004
Worcester Polytechnic Institute
Yi Hua Ma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for fabricating composite gas separation modules
Publication number
20040237780
Publication date
Dec 2, 2004
Worcester Polytechnic Institute
Yi Hua Ma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL