William Weizhong Chen

Person

Marion, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electrical contactor with positive temperature coefficient resistiv...
- Patent number 6,958,671
- Issue date Oct 25, 2005
- Square D Company
- William Weizhong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker including positive temperature coefficient resistiv...
- Patent number 6,560,085
- Issue date May 6, 2003
- Square D Company
- William W. Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current limiting circuit breaker with positive temperature coeffici...
- Patent number 6,437,960
- Issue date Aug 20, 2002
- Square D Company
- William Weizhong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current limiting circuit breaker
- Patent number 6,414,256
- Issue date Jul 2, 2002
- Square D Company
- William Weizhong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Remote controllable circuit breakers with positive temperature coef...
- Patent number 6,313,723
- Issue date Nov 6, 2001
- Square D Company
- William W. Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Medium to high voltage load circuit interrupters including metal re...
- Patent number 6,072,673
- Issue date Jun 6, 2000
- Square D Company
- William W. Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker including two magnetic coils and a positive tempera...
- Patent number 6,020,802
- Issue date Feb 1, 2000
- Square D Company
- Brett E. Larson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit interrupter with arcing fault protection and PTC (positive...
- Patent number 5,999,384
- Issue date Dec 7, 1999
- Square D Company
- William W. Chen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit breaker including positive temperature coefficient resistiv...
- Patent number 5,933,311
- Issue date Aug 3, 1999
- Square D Company
- William W. Chen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit breakers with PTC (Positive Temperature Coefficient resisti...
- Patent number 5,886,860
- Issue date Mar 23, 1999
- Square D Company
- William Weizhong Chen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electrical contactor with positive temperature coefficient resistiv...
- Publication number 20030090351
- Publication date May 15, 2003
- William Weizhong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Positive temperature coefficient resistivity protected power transf...
- Publication number 20020196592
- Publication date Dec 26, 2002
- William W. Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CURRENT LIMITING CIRCUIT BREAKER
- Publication number 20020092829
- Publication date Jul 18, 2002
- William Weizhong Chen
- H01 - BASIC ELECTRIC ELEMENTS

William Weizhong Chen

Person

Patents Grantslast 30 patents

Electrical contactor with positive temperature coefficient resistiv...

Circuit breaker including positive temperature coefficient resistiv...

Current limiting circuit breaker with positive temperature coeffici...

Current limiting circuit breaker

Remote controllable circuit breakers with positive temperature coef...

Medium to high voltage load circuit interrupters including metal re...

Circuit breaker including two magnetic coils and a positive tempera...

Circuit interrupter with arcing fault protection and PTC (positive...

Circuit breaker including positive temperature coefficient resistiv...

Circuit breakers with PTC (Positive Temperature Coefficient resisti...

Patents Applicationslast 30 patents

Electrical contactor with positive temperature coefficient resistiv...

Positive temperature coefficient resistivity protected power transf...

CURRENT LIMITING CIRCUIT BREAKER