David Y. Chan

Person

Bellrose, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Circuit interrupter with continuous self-testing feature
- Patent number 8,183,869
- Issue date May 22, 2012
- Leviton Manufacturing Co., Inc.
- David Chan
- G01 - MEASURING TESTING
Information Patent Grant
Ground fault circuit interrupter with enhanced radio frequency inte...
- Patent number RE42866
- Issue date Oct 25, 2011
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- 361 - Electricity: electrical systems and devices
Information Patent Grant
Detecting and sensing actuation in a circuit interrupting device
- Patent number 7,990,663
- Issue date Aug 2, 2011
- Leviton Manufucturing Co., Inc.
- William Ziegler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fault circuit interrupter with bi-directional sensing
- Patent number 7,889,466
- Issue date Feb 15, 2011
- Leviton Manufacturing Company, Inc.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Leakage current detector interrupter with continuous duty relay
- Patent number 7,813,091
- Issue date Oct 12, 2010
- Leviton Manufacturing Company, Inc.
- Roger M. Bradley
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit interrupting device and system utilizing bridge contact mec...
- Patent number 7,737,809
- Issue date Jun 15, 2010
- Leviton Manufacturing Co., Inc.
- Frantz Germain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overvoltage device with enhanced surge suppression
- Patent number 7,697,252
- Issue date Apr 13, 2010
- Leviton Manufacturing Company, Inc.
- David Y Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit interrupting device having integrated enhanced RFI suppression
- Patent number 7,542,252
- Issue date Jun 2, 2009
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground fault circuit interrupter with enhanced radio frequency inte...
- Patent number 7,375,935
- Issue date May 20, 2008
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reverse wiring detect in circuit interrupting devices
- Patent number 7,196,886
- Issue date Mar 27, 2007
- Leviton Manufacturing Co., Ltd.
- David Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit interrupting device line load reversal sensing system
- Patent number 7,164,563
- Issue date Jan 16, 2007
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reset lockout mechanism and independent trip mechanism for center l...
- Patent number 7,098,761
- Issue date Aug 29, 2006
- Leviton Manufacturing Co., Inc.
- Frantz Germain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit interrupter with improved surge suppression
- Patent number 7,082,021
- Issue date Jul 25, 2006
- Leviton Manufacturing Co., Ltd.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit interrupting device and system utilizing electromechanical...
- Patent number 7,049,911
- Issue date May 23, 2006
- Leviton Manufacturing Co., Inc.
- Frantz Germain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Neutral switch test mechanism for a circuit interrupter
- Patent number 7,042,688
- Issue date May 9, 2006
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
GFCI with enhanced surge suppression
- Patent number 7,012,500
- Issue date Mar 14, 2006
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reverse wiring detect in circuit interrupting devices
- Patent number 6,937,452
- Issue date Aug 30, 2005
- Leviton Manufacturing Co., Inc.
- David Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit interrupter with improved surge suppression
- Patent number 6,900,972
- Issue date May 31, 2005
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reset lockout mechanism and independent trip mechanism for center l...
- Patent number 6,828,886
- Issue date Dec 7, 2004
- Leviton Manufacturing Co., Inc.
- Frantz Germain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reset lockout mechanism and independent trip mechanism for center l...
- Patent number 6,671,145
- Issue date Dec 30, 2003
- Leviton Manufacturing Co., Inc.
- Frantz Germain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground fault circuit interrupter for circuits operating with non-si...
- Patent number 6,556,395
- Issue date Apr 29, 2003
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground fault protection circuit for multiple loads with separate GF...
- Patent number 6,021,034
- Issue date Feb 1, 2000
- Leviton Manufacturing Co., Inc.
- David Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High current ground fault circuit interrupter
- Patent number 5,917,686
- Issue date Jun 29, 1999
- Leviton Manufacturing Co., Inc.
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
In-line cord ground fault circuit interrupter
- Patent number 5,864,455
- Issue date Jan 26, 1999
- Leviton Manufacturing Co., Inc.
- Paul D. Gernhardt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground fault protection circuit for multiple loads with separate GF...
- Patent number 5,786,971
- Issue date Jul 28, 1998
- Leviton Manufacturing Co., Inc.
- David Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Splash guard for wiring devices
- Patent number 5,712,450
- Issue date Jan 27, 1998
- Leviton Manufacturing Co., Inc.
- David Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
In-line cord ground fault circuit interrupter
- Patent number 5,684,272
- Issue date Nov 4, 1997
- Leviton Manufacturing Co., Inc.
- Paul Gernhardt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line cord ground fault circuit interrupter
- Patent number 5,680,287
- Issue date Oct 21, 1997
- Leviton Manufacturing Co., Inc.
- Paul Gernhardt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
In-line cord ground fault circuit interrupter
- Patent number 5,568,344
- Issue date Oct 22, 1996
- Leviton Manufacturing Co., Inc.
- Paul Gernhardt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground fault circuit interrupter
- Patent number D313971
- Issue date Jan 22, 1991
- Leviton Manufacturing Co., Inc.
- Saul Rosenbaum
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
DETECTING AND SENSING ACTUATION IN A CIRCUIT INTERRUPTING DEVICE
- Publication number 20100259347
- Publication date Oct 14, 2010
- LEVITON MANUFACTURING CO., INC.
- William Ziegler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT INTERRUPTER WITH CONTINUOUS SELF-TESTING FEATURE
- Publication number 20100073002
- Publication date Mar 25, 2010
- Leviton Manufacturing Co.
- David Chan
- G01 - MEASURING TESTING
Information Patent Application
FAULT CIRCUIT INTERRUPTER WITH BI-DIRECTIONAL SENSING
- Publication number 20090273866
- Publication date Nov 5, 2009
- LEVITON MANUFACTURING COMPANY, INC.
- David Y. CHAN
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
OVERVOLTAGE DEVICE WITH ENHANCED SURGE SUPPRESSION
- Publication number 20090046406
- Publication date Feb 19, 2009
- LEVITON MANUFACTURING COMPANY INC.
- David Y. Chan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LEAKAGE CURRENT DETECTOR INTERRUPTER WITH CONTINUOUS DUTY RELAY
- Publication number 20080007880
- Publication date Jan 10, 2008
- Roger M. Bradley
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RESET LOCKOUT MECHANISM AND INDEPENDENT TRIP MECHANISM FOR CENTER L...
- Publication number 20070053118
- Publication date Mar 8, 2007
- Frantz Germain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEUTRAL SWITCH TEST MECHANISM FOR A CIRCUIT INTERRUPTER
- Publication number 20070014058
- Publication date Jan 18, 2007
- David Y. Chan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT INTERRUPTING DEVICE HAVING INTEGRATED ENHANCED RFI SUPPRESSION
- Publication number 20060274462
- Publication date Dec 7, 2006
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Load-guard
- Publication number 20060274461
- Publication date Dec 7, 2006
- Jose de Jesus Ochoa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High current ground fault circuit interrupter with open neutral det...
- Publication number 20060158799
- Publication date Jul 20, 2006
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Ground fault circuit interrupter with enhanced radio frequency inte...
- Publication number 20060018061
- Publication date Jan 26, 2006
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Leakage current detector interrupter with reset lockout
- Publication number 20060007610
- Publication date Jan 12, 2006
- David Y. Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Reverse wiring detect in circuit interrupting devices
- Publication number 20050280962
- Publication date Dec 22, 2005
- David Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GFCI with enhanced surge suppression
- Publication number 20050206493
- Publication date Sep 22, 2005
- David Y. Chan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circuit interrupter with improved surge suppression
- Publication number 20050157439
- Publication date Jul 21, 2005
- David Y. Chan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Reset lockout mechanism and independent trip mechanism for center l...
- Publication number 20050140477
- Publication date Jun 30, 2005
- Frantz Germain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circuit interrupting device line load reversal sensing system
- Publication number 20040264078
- Publication date Dec 30, 2004
- David Y. Chan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Reverse wiring detect in circuit interrupting devices
- Publication number 20040257725
- Publication date Dec 23, 2004
- David Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Circuit interrupting device and system utilizing bridge contact mec...
- Publication number 20040223272
- Publication date Nov 11, 2004
- Frantz Germain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circuit interrupting device and system utilizing electromechanical...
- Publication number 20040218316
- Publication date Nov 4, 2004
- Frantz Germain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Reset lockout mechanism and independent trip mechanism for center l...
- Publication number 20040141264
- Publication date Jul 22, 2004
- Frantz Germain
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Neutral switch test mechanism for a circuit interrupter
- Publication number 20040004795
- Publication date Jan 8, 2004
- David Y. Chan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Neutral switch test mechanism for a circuit interrupter
- Publication number 20020135957
- Publication date Sep 26, 2002
- David Y. Chan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Reset lockout mechanism and independent trip mechanism for center l...
- Publication number 20020135958
- Publication date Sep 26, 2002
- Frantz Germain
- H01 - BASIC ELECTRIC ELEMENTS

David Y. Chan

Person

Patents Grantslast 30 patents

Circuit interrupter with continuous self-testing feature

Ground fault circuit interrupter with enhanced radio frequency inte...

Detecting and sensing actuation in a circuit interrupting device

Fault circuit interrupter with bi-directional sensing

Leakage current detector interrupter with continuous duty relay

Circuit interrupting device and system utilizing bridge contact mec...

Overvoltage device with enhanced surge suppression

Circuit interrupting device having integrated enhanced RFI suppression

Ground fault circuit interrupter with enhanced radio frequency inte...

Reverse wiring detect in circuit interrupting devices

Circuit interrupting device line load reversal sensing system

Reset lockout mechanism and independent trip mechanism for center l...

Circuit interrupter with improved surge suppression

Circuit interrupting device and system utilizing electromechanical...

Neutral switch test mechanism for a circuit interrupter

GFCI with enhanced surge suppression

Reverse wiring detect in circuit interrupting devices

Circuit interrupter with improved surge suppression

Reset lockout mechanism and independent trip mechanism for center l...

Reset lockout mechanism and independent trip mechanism for center l...

Ground fault circuit interrupter for circuits operating with non-si...

Ground fault protection circuit for multiple loads with separate GF...

High current ground fault circuit interrupter

In-line cord ground fault circuit interrupter

Ground fault protection circuit for multiple loads with separate GF...

Splash guard for wiring devices

In-line cord ground fault circuit interrupter

In-line cord ground fault circuit interrupter

In-line cord ground fault circuit interrupter

Ground fault circuit interrupter

Patents Applicationslast 30 patents

DETECTING AND SENSING ACTUATION IN A CIRCUIT INTERRUPTING DEVICE

CIRCUIT INTERRUPTER WITH CONTINUOUS SELF-TESTING FEATURE

FAULT CIRCUIT INTERRUPTER WITH BI-DIRECTIONAL SENSING

OVERVOLTAGE DEVICE WITH ENHANCED SURGE SUPPRESSION

LEAKAGE CURRENT DETECTOR INTERRUPTER WITH CONTINUOUS DUTY RELAY

RESET LOCKOUT MECHANISM AND INDEPENDENT TRIP MECHANISM FOR CENTER L...

NEUTRAL SWITCH TEST MECHANISM FOR A CIRCUIT INTERRUPTER

CIRCUIT INTERRUPTING DEVICE HAVING INTEGRATED ENHANCED RFI SUPPRESSION

Load-guard

High current ground fault circuit interrupter with open neutral det...

Ground fault circuit interrupter with enhanced radio frequency inte...

Leakage current detector interrupter with reset lockout

Reverse wiring detect in circuit interrupting devices

GFCI with enhanced surge suppression

Circuit interrupter with improved surge suppression

Reset lockout mechanism and independent trip mechanism for center l...

Circuit interrupting device line load reversal sensing system

Reverse wiring detect in circuit interrupting devices

Circuit interrupting device and system utilizing bridge contact mec...

Circuit interrupting device and system utilizing electromechanical...

Reset lockout mechanism and independent trip mechanism for center l...

Neutral switch test mechanism for a circuit interrupter

Neutral switch test mechanism for a circuit interrupter

Reset lockout mechanism and independent trip mechanism for center l...