Inventor
BALDWIN JOHN R
US34 patents
⚠️ This page may combine multiple inventors who share the name “BALDWIN JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUBBELL INC
27 patentsUS6807036B2Oct 19, 2004
Digital fault interrupter with self-testing capabilities
HUBBELL INC158 citations99
US6791458B2Sep 14, 2004
Dual technology occupancy sensor and method for using the same
HUBBELL INC100 citations98
US6324008B1Nov 27, 2001
Multiple optical designs for a multifunction sensor
HUBBELL INC123 citations98
US6082894AJul 4, 2000
Temperature and passive infrared sensor module
HUBBELL INC158 citations98
US5973594AOct 26, 1999
Multiple optical designs for a multifunction sensor
HUBBELL INC158 citations98
US5764146AJun 9, 1998
Multifunction occupancy sensor
HUBBELL INC196 citations98
US7149065B2Dec 12, 2006
Self testing digital fault interrupter
HUBBELL INC70 citations96
US6285912B1Sep 4, 2001
System for physically mounting a multifunction user interface to a basic multifunction sensor to access and control various parameters of a control network environment
HUBBELL INC360 citations96
US5984513ANov 16, 1999
Very low current microcontroller operated motion sensor
HUBBELL INC71 citations96
US7315437B2Jan 1, 2008
Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) indicator, secondary power supply for EOL and self test circuitry, and device for opening line hot when EOL occurs
HUBBELL INC73 citations93
US7733617B2Jun 8, 2010
Self testing digital fault interrupter
HUBBELL INC22 citations92
US7443309B2Oct 28, 2008
Self testing ground fault circuit interrupter (GFCI)
HUBBELL INC47 citations92
US7027355B2Apr 11, 2006
Ultrasonic displacement sensor using digital signal processing detection
HUBBELL INC27 citations92
US6909668B2Jun 21, 2005
Ultrasonic displacement sensor using envelope detection
HUBBELL INC22 citations92
US6566882B2May 20, 2003
Method and apparatus for device-dependent calibration of relays for high accuracy operation at zero-crossing of input power signal
HUBBELL INC28 citations92
US5457595AOct 10, 1995
Low-power relay operating circuit
HUBBELL INC30 citations92
US5442178AAug 15, 1995
Cross-over field-of-view composite Fresnel lens for an infrared detection system
HUBBELL INC42 citations92
US7791848B2Sep 7, 2010
Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) detection that rejects false EOL information
HUBBELL INC26 citations91
US6472853B2Oct 29, 2002
Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable for use with a motion sensor switch
HUBBELL INC30 citations91
US6307354B1Oct 23, 2001
Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable for use with a motion sensor switch
HUBBELL INC23 citations91
USD409936SMay 18, 1999
Low profile passive infrared sensor
HUBBELL INC27 citations91
US7453368B2Nov 18, 2008
Surge protector life cycle monitor system and method
HUBBELL INC9 citations84
US7800873B2Sep 21, 2010
Ground fault circuit interruptor (GFCI) device having safe contact end-of-life condition and method of detecting same in a GFCI device
HUBBELL INC15 citations81
US5561576AOct 1, 1996
Step down transformer power supply with short circuit protection
HUBBELL INC17 citations74
US5416404AMay 16, 1995
Extremely low power zero crossing circuit
HUBBELL INC12 citations74
US5826957AOct 27, 1998
Housing with multiple fixed declination adjustment positions and living hinge connections
HUBBELL INC13 citations73
US6181489B1Jan 30, 2001
Combination lens and window retainer and housing assembly for a motion detector system
HUBBELL INC1 citations42