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Chuan Weng
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Weaverville, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure equalization port apparatus and method for a refrigeration...
Patent number
7,716,945
Issue date
May 18, 2010
Thermo Fisher Scientific (Asheville) LLC
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Device for prevention of backward operation of scroll compressors
Patent number
7,048,511
Issue date
May 23, 2006
Kendro Laboratory Products, Inc.
Chuan Weng
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Device for prevention of backward operation of scroll compressors
Patent number
6,893,227
Issue date
May 17, 2005
Kendro Laboratory Products, Inc.
Chuan Weng
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method and apparatus for temperature control in a refrigeration device
Patent number
6,845,628
Issue date
Jan 25, 2005
Kendro Laboratory Products, L.P.
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cooling circuit apparatus and method
Patent number
6,845,632
Issue date
Jan 25, 2005
Kendro Laboratory Products, L.P.
Brian Darling
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Dual independent chamber ultra-low temperature freezer
Patent number
6,766,652
Issue date
Jul 27, 2004
GSLE Development Corporation
Allan Kelly
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for temperature control in a refrigeration device
Patent number
6,658,875
Issue date
Dec 9, 2003
GSLE Development Corporation
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Non-HCFC refrigerant mixture for an ultra-low temperature refrigera...
Patent number
6,631,625
Issue date
Oct 14, 2003
GSLE Development Corporation (DE Corp)
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Freezer defrost method and apparatus
Patent number
6,601,396
Issue date
Aug 5, 2003
Kendro Laboratory Products, LP
Richard H. Bair
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Non-hydrocarbon ultra-low temperature system for a refrigeration sy...
Patent number
6,557,358
Issue date
May 6, 2003
Kendro Laboratory Products, Inc.
Chuan Weng
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Multiple stage cascade refrigeration system having temperature resp...
Patent number
6,324,856
Issue date
Dec 4, 2001
SPX Corporation
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
Pressure equalization port apparatus and method for a refrigeration...
Publication number
20060225455
Publication date
Oct 12, 2006
Kendro Laboratory Products LP
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Device for prevention of backward operation of scroll compressors
Publication number
20050147499
Publication date
Jul 7, 2005
Chuan Weng
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Non-CFC refrigerant mixture for an ultra-low temperature refrigerat...
Publication number
20050103028
Publication date
May 19, 2005
Chuan Weng
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Non-HCFC refrigerant mixture for an ultra-low temperature refrigera...
Publication number
20050072957
Publication date
Apr 7, 2005
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Non-HCFC refrigerant mixture for an ultra-low temperature refrigera...
Publication number
20040124394
Publication date
Jul 1, 2004
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
DUAL INDEPENDENT CHAMBER ULTRA-LOW TEMPERATURE FREEZER
Publication number
20040118139
Publication date
Jun 24, 2004
GSLE Development Corporation
Allan Kelly
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Method and apparatus for temperature control in a refrigeration device
Publication number
20040103678
Publication date
Jun 3, 2004
Chuan Weng
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Device for prevention of backward operation of scroll compressors
Publication number
20030180148
Publication date
Sep 25, 2003
Kendro Laboratory Products, Inc.
Chuan Weng
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
FREEZER DEFROST METHOD AND APPARATUS
Publication number
20030101737
Publication date
Jun 5, 2003
Richard H. Bair
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Non-hydrocarbon ultra-low temperature system for a refrigeration sy...
Publication number
20030010042
Publication date
Jan 16, 2003
Kendro Laboratory Products, Inc.
Chuan Weng
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Method and apparatus for temperature control in a refrigeration device
Publication number
20020157407
Publication date
Oct 31, 2002
Chuan Weng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL