Inventor
WELCH RICHARD E
US12 patents
⚠️ This page may combine multiple inventors who share the name “WELCH RICHARD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THERM O DISC INC
8 patentsUS7162150B1Jan 9, 2007
Thermistor sensor probe with bimetal high limit control for electric water heater control
THERM O DISC INC36 citations92
US6546796B2Apr 15, 2003
Liquid level sensor
THERM O DISC INC20 citations91
US6239686B1May 29, 2001
Temperature responsive switch with shape memory actuator
THERM O DISC INC43 citations89
US6584940B1Jul 1, 2003
Flue pipe control
THERM O DISC INC24 citations88
US5059937AOct 22, 1991
Switch assembly
THERM O DISC INC8 citations73
US7242858B1Jul 10, 2007
External reset device for an electric water heater
THERM O DISC INC5 citations62
USD507977SAug 2, 2005
Thermistor sensor probe
THERM O DISC INC5 citations62
USD510709SOct 18, 2005
Thermistor sensor probe
THERM O DISC INC0 citations49