Hwa-Chi Wang

Person

West Chester, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Purification and transfilling of ammonia
- Patent number 7,297,181
- Issue date Nov 20, 2007
- Air Liquide America L.P.
- Derong Zhou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Pressure vessel systems and methods for dispensing liquid chemical...
- Patent number 6,899,116
- Issue date May 31, 2005
- American Air Liquide, Inc.
- Mindi Xu
- B24 - GRINDING POLISHING
Information Patent Grant
Chamber effluent monitoring system and semiconductor processing sys...
- Patent number 6,885,452
- Issue date Apr 26, 2005
- American Air Liquide, Inc.
- James McAndrew
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Pressure vessel systems and methods for dispensing liquid chemical...
- Patent number 6,736,154
- Issue date May 18, 2004
- American Air Liquide, Inc.
- Mindi Xu
- B24 - GRINDING POLISHING
Information Patent Grant
Chamber effluent monitoring system and semiconductor processing sys...
- Patent number 6,493,086
- Issue date Dec 10, 2002
- American Air Liquide, Inc.
- James McAndrew
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for the fast detection of surface characteristics
- Patent number 6,392,745
- Issue date May 21, 2002
- American Air Liquide, Inc.
- Rashid Mavliev
- G01 - MEASURING TESTING
Information Patent Grant
System and method for controlled delivery of liquefied gases from a...
- Patent number 6,363,728
- Issue date Apr 2, 2002
- American Air Liquide Inc.
- Richard J. Udischas
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
On-site manufacture of ultra-high-purity nitric acid
- Patent number 6,214,173
- Issue date Apr 10, 2001
- Air Liquide Electronics Chemicals & Services, Inc.
- Mindi Xu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and method for controlled delivery of liquefied gases includ...
- Patent number 6,199,384
- Issue date Mar 13, 2001
- American Air Liquide Inc.
- Richard J. Udischas
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Chamber effluent monitoring system and semiconductor processing sys...
- Patent number 6,154,284
- Issue date Nov 28, 2000
- American Air Liquide Inc.
- James McAndrew
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
System and method for delivery of a vapor phase product to a point...
- Patent number 6,122,931
- Issue date Sep 26, 2000
- American Air Liquide Inc.
- Joseph E. Paganessi
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
System and method for controlled delivery of liquified gases
- Patent number 6,076,359
- Issue date Jun 20, 2000
- American Air Liquide Inc.
- Benjamin Jurcik
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
System and method for delivery of a vapor phase product to a point...
- Patent number 6,032,483
- Issue date Mar 7, 2000
- American Air Liquide Inc.
- Joseph E. Paganessi
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Method to analyze particle contaminants in compressed gases
- Patent number 5,992,216
- Issue date Nov 30, 1999
- American Air Liquide Inc.
- Hwa-chi Wang
- G01 - MEASURING TESTING
Information Patent Grant
Chamber effluent monitoring system and semiconductor processing sys...
- Patent number 5,963,336
- Issue date Oct 5, 1999
- American Air Liquide Inc.
- James McAndrew
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Metal sampling method and system for non-hydrolyzable gases
- Patent number 5,814,741
- Issue date Sep 29, 1998
- American Air Liquide Inc.
- Hwa-Chi Wang
- G01 - MEASURING TESTING
Information Patent Grant
System and method for controlled delivery of liquified gases
- Patent number 5,761,911
- Issue date Jun 9, 1998
- American Air Liquide Inc.
- Benjamin Jurcik
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Method to analyze particle contaminants in compressed gases
- Patent number 5,665,902
- Issue date Sep 9, 1997
- American Air Liquide, Inc.
- Hwa-chi Wang
- G01 - MEASURING TESTING
Information Patent Grant
Metal sampling method and system for non-hydrolyzable gases
- Patent number 5,618,996
- Issue date Apr 8, 1997
- American Air Liquide Inc.
- Hwa-Chi Wang
- G01 - MEASURING TESTING
Information Patent Grant
Purgeable connection for gas cylinders
- Patent number 5,398,712
- Issue date Mar 21, 1995
- American Air Liquide
- Hwa-Chi Wang
- B08 - CLEANING
Information Patent Grant
Method of introducing and controlling compressed gases for impurity...
- Patent number 5,209,102
- Issue date May 11, 1993
- American Air Liquide
- Hwa-Chi Wang
- G01 - MEASURING TESTING
Information Patent Grant
Method of separating condensible vapors from particles in highly co...
- Patent number 4,964,278
- Issue date Oct 23, 1990
- American Air Liquide
- Horng-Yuan Wen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pressure reduction device for particle sampling from compressed gases
- Patent number 4,962,673
- Issue date Oct 16, 1990
- American Air Liquide
- Hwa-Chi Wang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Liquefied Chemical Gas Delivery System
- Publication number 20070204631
- Publication date Sep 6, 2007
- American Air Liquide, Inc.
- Richard J. Udischas
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
Liquid Purge for a Vaporizer
- Publication number 20070163273
- Publication date Jul 19, 2007
- American Air Liquide, Inc.
- Richard J. Udischas
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
Purification and transfilling of ammonia
- Publication number 20060005704
- Publication date Jan 12, 2006
- Derong Zhou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Purification and recovery of fluids in processing applications
- Publication number 20050006310
- Publication date Jan 13, 2005
- Rajat Agrawal
- B08 - CLEANING
Information Patent Application
Pressure vessel systems and methods for dispensing liquid chemical...
- Publication number 20040194336
- Publication date Oct 7, 2004
- Mindi Xu
- B24 - GRINDING POLISHING
Information Patent Application
Chamber effluent monitoring system and semiconductor processing sys...
- Publication number 20030063284
- Publication date Apr 3, 2003
- James McAndrew
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Apparatus and method for vaporizing a liquid chemical
- Publication number 20030021595
- Publication date Jan 30, 2003
- Mindi Xu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Pressure vessel systems and methods for dispensing liquid chemical...
- Publication number 20020112758
- Publication date Aug 22, 2002
- American Air Liquide, Inc.
- Mindi Xu
- B24 - GRINDING POLISHING

Hwa-Chi Wang

Person

Patents Grantslast 30 patents

Purification and transfilling of ammonia

Pressure vessel systems and methods for dispensing liquid chemical...

Chamber effluent monitoring system and semiconductor processing sys...

Pressure vessel systems and methods for dispensing liquid chemical...

Chamber effluent monitoring system and semiconductor processing sys...

Method and apparatus for the fast detection of surface characteristics

System and method for controlled delivery of liquefied gases from a...

On-site manufacture of ultra-high-purity nitric acid

System and method for controlled delivery of liquefied gases includ...

Chamber effluent monitoring system and semiconductor processing sys...

System and method for delivery of a vapor phase product to a point...

System and method for controlled delivery of liquified gases

System and method for delivery of a vapor phase product to a point...

Method to analyze particle contaminants in compressed gases

Chamber effluent monitoring system and semiconductor processing sys...

Metal sampling method and system for non-hydrolyzable gases

System and method for controlled delivery of liquified gases

Method to analyze particle contaminants in compressed gases

Metal sampling method and system for non-hydrolyzable gases

Purgeable connection for gas cylinders

Method of introducing and controlling compressed gases for impurity...

Method of separating condensible vapors from particles in highly co...

Pressure reduction device for particle sampling from compressed gases

Patents Applicationslast 30 patents

Liquefied Chemical Gas Delivery System

Liquid Purge for a Vaporizer

Purification and transfilling of ammonia

Purification and recovery of fluids in processing applications

Pressure vessel systems and methods for dispensing liquid chemical...

Chamber effluent monitoring system and semiconductor processing sys...

Apparatus and method for vaporizing a liquid chemical

Pressure vessel systems and methods for dispensing liquid chemical...