Weng; Chuan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Weng; Chuan.The latest application filed is for "system and method for controlling temperature at test sites".

Company Profile

1.13.15

Weng; Chuan - Cummings GA
Weng; Chuan - Mansfield MA
WENG; Chuan - Cumming GA
Weng; Chuan - Weaverville NC

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
System and method for controlling temperature at test sites Grant 11,231,455 - Elsdoerfer , et al. January 25, 2	2022-01-25
System and method for device under test cooling using digital scroll compressor Grant 10,731,903 - Weng , et al.	2020-08-04
System And Method For Controlling Temperature At Test Sites App 20200174065 - Elsdoerfer; Norbert ; et al.	2020-06-04
System And Method For Device Under Test Cooling Using Digital Scroll Compressor App 20180313589 - Weng; Chuan ; et al.	2018-11-01
Temperature Control System And Method For A Chamber Or Platform And Temperature-controlled Chamber Or Platform Including The Temperature Control System App 20130091876 - WENG; Chuan	2013-04-18
Pressure equalization port apparatus and method for a refrigeration unit Grant 7,716,945 - Weng May 18, 2	2010-05-18
Pressure equalization port apparatus and method for a refrigeration unit App 20060225455 - Weng; Chuan	2006-10-12
Device for prevention of backward operation of scroll compressors Grant 7,048,511 - Weng May 23, 2	2006-05-23
Device for prevention of backward operation of scroll compressors App 20050147499 - Weng, Chuan	2005-07-07
Non-CFC refrigerant mixture for an ultra-low temperature refrigeration system App 20050103028 - Weng, Chuan	2005-05-19
Device for prevention of backward operation of scroll compressors Grant 6,893,227 - Weng May 17, 2	2005-05-17
Non-HCFC refrigerant mixture for an ultra-low temperature refrigeration system App 20050072957 - Weng, Chuan	2005-04-07
Cooling circuit apparatus and method Grant 6,845,632 - Darling , et al. January 25, 2	2005-01-25
Method and apparatus for temperature control in a refrigeration device Grant 6,845,628 - Weng January 25, 2	2005-01-25
Dual independent chamber ultra-low temperature freezer Grant 6,766,652 - Kelly , et al. July 27, 2	2004-07-27
Non-HCFC refrigerant mixture for an ultra-low temperature refrigeration system App 20040124394 - Weng, Chuan	2004-07-01
Dual Independent Chamber Ultra-low Temperature Freezer App 20040118139 - Kelly, Allan ; et al.	2004-06-24
Method and apparatus for temperature control in a refrigeration device App 20040103678 - Weng, Chuan	2004-06-03
Method and apparatus for temperature control in a refrigeration device Grant 6,658,875 - Weng December 9, 2	2003-12-09
Non-HCFC refrigerant mixture for an ultra-low temperature refrigeration system Grant 6,631,625 - Weng October 14, 2	2003-10-14
Device for prevention of backward operation of scroll compressors App 20030180148 - Weng, Chuan	2003-09-25
Freezer defrost method and apparatus Grant 6,601,396 - Bair, III , et al. August 5, 2	2003-08-05
Freezer Defrost Method And Apparatus App 20030101737 - Bair, Richard H. III ; et al.	2003-06-05
Non-hydrocarbon ultra-low temperature system for a refrigeration system Grant 6,557,358 - Weng , et al. May 6, 2	2003-05-06
Non-hydrocarbon ultra-low temperature system for a refrigeration system App 20030010042 - Weng, Chuan ; et al.	2003-01-16
Method and apparatus for temperature control in a refrigeration device App 20020157407 - Weng, Chuan	2002-10-31
Multiple stage cascade refrigeration system having temperature responsive flow control and method Grant 6,324,856 - Weng December 4, 2	2001-12-04

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