Patents for H01H 37 - Thermally-actuated switches (7,388)
10/1981
10/20/1981US4295371 Temperature detecting device
10/14/1981EP0037660A1 An electric kettle
10/14/1981EP0037490A1 Release system of an automatic circuit breaker for the interruption of a circuit
10/13/1981US4295114 Thermo-switch
10/13/1981CA1110732A1 Temperature-sensing circuit
10/07/1981EP0037215A1 A temperature control arrangement for an electrical heating appliance
09/1981
09/30/1981EP0036614A1 Ignition coil for combustion engines, particularly for engines with electronic ignition, and process for its manufacture
09/30/1981EP0036607A1 Die-stamped circuit board assembly having relief means and method of making
09/29/1981US4292617 Thermal switch with electrically conductive thermal sensing pellet
09/29/1981US4292022 Pressurized fluidized bed combustor and coal gun construction therefor
09/29/1981CA1109946A1 Electrical thermostat control apparatus
09/29/1981CA1109908A1 Thermal switch with organic glass bead mixture fusible pellet
09/23/1981EP0036208A1 Photoflash device
09/08/1981US4288686 Thermostat for popcorn cooking containers or the like
09/08/1981CA1108672A1 Hermetically sealed thermostatic switch
09/01/1981US4287500 Thermal protector
09/01/1981CA1108209A1 Thermally operated fast acting electrical relay
08/1981
08/25/1981US4286248 Thermal cut-off fuse
08/25/1981US4286247 Temperature responsive device
08/25/1981US4285145 Thermostat and iron assembly
08/18/1981CA1107328A1 Thermally sensitive electrical switch
08/11/1981US4283701 Overshoot compensated thermostat
08/11/1981CA1106882A1 Radial lead thermal cut-off device
08/05/1981EP0033121A1 Photoflash unit having a reflector
08/04/1981US4282506 Device for sensing overheating of bearings
08/04/1981US4282505 Fan coolant thermostats
08/04/1981CA1106423A1 Thermally activated emergency electric switch
07/1981
07/29/1981EP0032584A2 Stopping and locking device for adjusting spindle
07/28/1981US4281322 Fuse blowing detector
07/28/1981US4281309 Thermally actuated cut-off link or switch and method of making the same
07/28/1981US4281308 Thermal switch with split ring construction
07/28/1981US4281307 Thermal cut-off fuse
07/28/1981CA1105970A1 Electrical cartridge fuse connector
07/21/1981CA1105534A1 Pressure-dependent electric switching device
07/14/1981US4278960 Temperature controlled bimetal switch
07/07/1981US4277018 Clock thermostat apparatus for resetting the temperature of a space during selected time periods with means for varying the pickup time as a function of the drop in space temperature during the setback period
07/07/1981US4276690 Method of assembling components of a thermostat
07/07/1981CA1104701A1 Submersible fuse
06/1981
06/30/1981US4276532 Thermal fuse
06/30/1981US4276531 Nonresetable thermally actuated switch
06/30/1981CA1104178A1 Thermostatic electrical switch and method of switch assembly
06/23/1981US4274546 Condition responsive electrical switch construction and parts and methods therefor
06/23/1981CA1103726A1 Thermal switch device with spring cup
06/16/1981US4274073 Submersible fuse
06/16/1981US4274072 Thermostat and assembly therefor
06/11/1981WO1981001627A1 Method of manufacturing plug-in electrical fuses and a fuse produced by the method
06/10/1981EP0030157A1 Electrical cartridge fuselinks and method of manufacturing such fuselinks
06/10/1981EP0030128A1 Electrical sockets
06/10/1981EP0029944A1 Setting device for thermostats
06/09/1981US4272750 Power breaker apparatus
06/09/1981CA1102907A1 Load controller
06/02/1981US4271400 Cradle assembly for use in a thermostat
06/02/1981US4270836 Holder for electrical component
06/02/1981US4270597 Thermostat and circuit
06/02/1981CA1102377A1 Connector for low voltage-heavy duty fuses with blade- type terminals
05/1981
05/19/1981USRE30619 Control system and method and control device therefor
05/19/1981US4268813 Resettable thermal cut-off switch
05/19/1981US4268812 Miniature device for sensing overheating of bearings
05/19/1981US4267815 Thermal cut-out for gas-heated glass ceramic cooking surfaces
05/19/1981CA1101472A2 Expansion box temperature regulator for electric appliances
05/13/1981EP0028356A1 Temperature indicator for showing the temperature condition of a ceramic cooking surface
05/12/1981US4267542 Thermal fuse for electrical apparatus
05/12/1981US4266517 Differential pressure switch device responsive to differential pressure and temperature change
05/12/1981CA1101026A1 Thermostat with positive off position
05/05/1981US4266211 Snap action thermostats
05/05/1981US4265597 Blower systems circuit interrupting apparatus and method
05/05/1981US4265194 Fire alarm heat sensor
04/1981
04/29/1981EP0027647A1 Temperature safety switch
04/21/1981US4263589 Devices for detecting the rupture of an electrical circuit element
04/21/1981US4262490 Selectively mountable cold control device
04/21/1981CA1099681A1 Electric pressing iron having indicating ready light with improved switch means
04/14/1981US4262274 Thermal electric switch
04/14/1981US4262273 Thermostatic electrical switch
04/14/1981US4261120 Electric pressing iron having indicating ready light with improved switch means
04/08/1981EP0026571A1 Protection of electrical systems using PTC devices
04/07/1981US4260977 Thermostatic switch
04/07/1981US4260976 Current limiting fuse with auxiliary element
03/1981
03/31/1981US4259656 Thermal cut-off device with an activating spring that is held in a prestressed condition by a thermally fusible pellet
03/31/1981US4259655 Adjustable thermostat
03/31/1981CA1098569A1 Hermetic thermally operated protector for an electric motor
03/31/1981CA1098568A1 Thermal cut-off fuse
03/24/1981US4258350 Arrangement of plug-in type fuses on a mounting board
03/24/1981US4258325 Thermostat and method of testing thereof
03/24/1981CA1098155A1 Resettable thermal cut-off fuse
03/17/1981CA1097711A1 Current limiting fuse for capacitor
03/17/1981CA1097709A1 Low profile fuse clip
03/11/1981EP0024594A1 Fuse socket for bracing on supporting bars
03/10/1981US4255736 Thermal protective switch
03/10/1981CA1097395A1 Expansion box temperature regulator for electric appliances
03/10/1981CA1097394A1 Tripping device for an overload circuit breaker
03/04/1981EP0024370A2 Smoke and temperature sensitive fire signalling device
02/1981
02/24/1981CA1096427A1 High thermal and electrical conductivity ternimal for electrothermally operated switch including weldable cladding
02/10/1981CA1095609A1 Mounting bracket for a heat detector switch
02/10/1981CA1095568A1 Thermostat and method of operating such
02/10/1981CA1095567A1 Plug-in type fuse
02/03/1981US4249155 Heating and cooling thermostat with limiting action selected by the changeover switching apparatus
02/03/1981US4249154 Temperature responsive electrical switching device and method of calibrating
02/03/1981CA1095145A1 Thermostatic controller
01/1981
01/20/1981US4246564 Method of assembling a normally closed thermally actuated cut-off link and the link made thereby
01/20/1981US4246563 Electric safety fuse
1 ... 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74