Patents for H01H 37 - Thermally-actuated switches (7,388)
01/1981
01/20/1981US4246561 Temperature-responsive electrical switch with sliding contact
01/20/1981CA1094150A1 Line protector for a communications circuit
01/14/1981EP0022149A1 Temperature regulator for aquarium heater
01/13/1981US4245142 Control unit and electrical switch construction therefor and methods of making such a control unit and electrical switch construction
01/13/1981CA1093619A1 Thermostatic control switch
01/13/1981CA1093618A1 Gas operated switches
01/06/1981US4243967 Thermostat and method of operating
12/1980
12/16/1980US4239153 Multiple temperature actuated fluid-electric control device
12/02/1980US4237513 Thermoconstrictive disconnect of conductors in electrical apparatus
12/02/1980US4237440 Glass-tube fuse
12/02/1980CA1090854A1 Circuit fuse cover indicator
12/02/1980CA1090853A1 Thermal cut-off fuse
11/1980
11/26/1980EP0019310A1 Fire indicator with a temperature-sensitive element
11/25/1980US4236136 Tripping device for an overload circuit breaker
11/25/1980US4236135 Sealed motor protector
11/25/1980CA1090410A1 Photographic flashlamp unit
11/18/1980US4233750 Adjustable surface temperature detector
11/12/1980EP0018469A1 Temperature control switch
11/11/1980CA1089518A1 Thermally actuated electrical switch
11/04/1980US4231512 Thermostat
11/04/1980CA1088981A1 Electric fuse
10/1980
10/28/1980US4231010 Thermostatic switch employing a stud member for calibration of the switch
10/28/1980CA1088602A1 Thermostatic switch and method of assembly
10/28/1980CA1088601A1 Thermally operated switch with ambient temperature compensator
10/21/1980CA1088132A1 Temperature sensitive switch
10/14/1980CA1087658A1 Thermal cut-off fuse
10/14/1980CA1087657A1 Temperature responsive circuit interrupter comprising contact actuating fusible material
10/07/1980US4227169 Combined thermal and electrical cut-off device
10/01/1980EP0016525A1 Thermostatic electrical switch and method of assembling such a switch
10/01/1980EP0016467A1 Electric fuses employing composite metal fuse elements
09/1980
09/30/1980US4225841 Temperature-dependent switch
09/23/1980US4224593 Double-motion thermostat
09/23/1980US4224592 Miniature plug-in fuse assembly and method of manufacture
09/23/1980US4224488 Electrical switch devices
09/23/1980CA1086149A1 Method and apparatus for forming thermally responsive snap-acting bimetallic actuators
09/09/1980CA1085492A1 Thermostat controller
09/03/1980EP0015094A1 An electrical fuse holder
09/02/1980US4220939 Thermal responsive electrical switching device and calibration method therefor
09/02/1980US4220938 Thermostatic electrical switch
08/1980
08/26/1980US4219793 Fuse with planar fuse element
08/19/1980US4218670 Thermostatic circuit breaker
08/12/1980CA1083649A1 Manually resettable bimetallic circuit breaker
08/12/1980CA1083647A1 Tapered strap element for an electrical fuse
08/12/1980CA1083646A1 Gas evolving clamp for current limiting fuse
08/12/1980CA1083644A1 Single-element dual function electric fuse
08/06/1980EP0014102A1 Thermostat
08/05/1980US4216457 Electric fuse having folded fusible element and heat dams
08/05/1980US4216456 Current limiting apparatus
08/05/1980CA1083208A1 One-piece fusible conductor for low-voltage fuses
07/1980
07/29/1980US4215332 Probe thermostat with swivel
07/29/1980CA1082758A1 Pre-calibrated thermostat with calibration protecting means during storage and shipping
07/22/1980US4214224 Multi-function self-cleaning oven thermostat
07/22/1980US4214223 Fuse
07/22/1980US4214136 Electrical switches for control devices such as temperature regulators
07/09/1980EP0013097A2 Temperature actuated fluid control valve
07/08/1980CA1081296A1 Duplex thermostat
07/01/1980US4210893 Thermal cut-off fuse
07/01/1980CA1080772A1 Current flow direction responsive fuse comprising a peltier effect element in series with fuse element
06/1980
06/25/1980EP0012312A1 Temperature-dependent current regulating or limiting switch device for electrical appliances, in particular for electrically heated appliances
06/17/1980US4208647 Thermal switch with organic-glass bead mixture sensing pellet
06/17/1980US4208646 Thermally responsive electric switch
06/17/1980US4208645 Fuse employing oriented plastic and a conductive layer
06/10/1980US4207386 Contacts melt when operating temperature of cell is exceeded
06/03/1980US4206344 Electric power controllers
05/1980
05/27/1980US4205293 Thermoelectric switch
05/20/1980US4204203 Level indicator
05/13/1980US4203086 Temperature-sensitive spiral spring sliding contact device
05/13/1980US4202589 Fuse holder
05/06/1980US4201967 Thermal switch and method of assembly and tool used therein
04/1980
04/29/1980CA1076425A1 Adjustable thermostat
04/22/1980CA1076173A1 Cartridge type time lag fuse with fuse-element core of high thermal conductivity ceramic
04/15/1980US4198617 Thermal cut-off fuse
04/15/1980US4198616 Bimetallic thermostats with several response temperatures
04/15/1980US4197634 Method of making a thermally actuatable electrical switch construction
04/08/1980US4197520 Thermal switch device with spring cup contact
04/02/1980EP0009349A1 Electrical cartridge fuse connector
04/01/1980US4196326 Pressure responsive electric switch, particularly an evaporator thermostat for refrigerators
03/1980
03/25/1980CA1074371A1 Fuse assembly comprising a fuse strip laminated to an insulating base plate
03/19/1980EP0008609A1 Thermostatic controller with coarse-fine adjustement
03/18/1980US4194102 Condition responsive electrical switch construction and parts and methods therefor
02/1980
02/26/1980US4190764 Control system and method and control device therefor
02/26/1980US4189855 Electric pressing iron having indicating ready light
02/26/1980CA1072612A1 Time-lag fuse with arc extinguishing means
02/19/1980US4189698 Resettable thermal cut-off fuse
02/19/1980US4189697 Thermal cut-off fuse
02/19/1980US4189695 Current limiting fuse device employing cooling and insulating medium
02/19/1980US4189694 Current limiting fuse with improved low current clearing capability
02/19/1980CA1072174A1 Condition responsive transformer primary switch
02/19/1980CA1072156A1 Fuse with radially oriented elements
02/12/1980US4188604 Thermostat regulator
02/12/1980US4188553 Pocket receptacle for securing a sensing element within electrical windings
02/12/1980US4188145 Assembly and method of assembling
02/06/1980EP0007867A1 Improvements relating to devices for detecting the rupture of an element in an electric circuit
02/05/1980CA1071279A1 Extension thermostat for electric heating element control
01/1980
01/29/1980US4186366 Radial lead thermal cut-off device
01/29/1980CA1070739A1 Cam operated switch with tiltable operating lever
01/29/1980CA1070738A1 Cartridge type fuse and fusible element therefor
01/15/1980US4184139 Thermal cut-off fuse
01/15/1980US4184136 Fast acting thermal relay
01/15/1980US4183251 Timer mechanism
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