H01H - Electric switches; Relays; Selectors; Emergency protective devices

More topics under "H01H - Electric switches; Relays; Selectors; Emergency protective devices" (249,021)
H01H 1 - Contacts (16,507)
H01H 11 - Apparatus or processes specially adapted for the manufacture of electric switches (6,731)
H01H 13 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch (26,806)
H01H 15 - Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch (2,329)
H01H 17 - Switches having flexible operating part adapted only for pulling, e.g. cord, chain (882)
H01H 19 - Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand (6,407)
H01H 21 - Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand (4,642)
H01H 23 - Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button (2,870)
H01H 25 - Switches with compound movement of handle or other operating part (5,109)
H01H 27 - Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings (1,960)
H01H 29 - Switches having at least one liquid contact (943)
H01H 3 - Mechanisms for operating contacts (17,842)
H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099)
H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
H01H 35 - Switches operated by change of a physical condition (7,690)
H01H 36 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding (3,817)
H01H 37 - Thermally-actuated switches (7,388)
H01H 39 - Switching devices actuated by an explosion produced within the device and initiated by an electric current (813)
H01H 41 - Switches providing a selected number of consecutive operations of the contacts by a single manual actuation of the operating part (25)
H01H 43 - Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed (1,884)
H01H 45 - Details of relays (838)
H01H 47 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current (7,312)
H01H 49 - Apparatus or processes specially adapted to the manufacture of relays or parts thereof (979)
H01H 5 - Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement (1,728)
H01H 50 - Details of electromagnetic relays (9,923)
H01H 51 - Electromagnetic relays (5,199)
H01H 53 - Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them (216)
H01H 55 - Magnetostrictive relays (97)
H01H 57 - Electrostrictive relays; Piezo-electric relays (896)
H01H 59 - Electrostatic relays; Electro-adhesion relays (2,592)
H01H 61 - Electrothermal relays (1,359)
H01H 63 - Details of electrically-operated selector switches (104)
H01H 65 - Apparatus or processes specially adapted to the manufacture of selector switches or parts thereof (98)
H01H 67 - Electrically-operated selector switches (662)
H01H 69 - Apparatus or processes for the manufacture of emergency protective devices (1,560)
H01H 7 - Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts (471)
H01H 71 - Details of the protective switches or relays covered by groups (18,450)
H01H 73 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism (6,696)
H01H 75 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of power reset mechanism (554)
H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434)
H01H 79 - Protective switches in which excess current causes the closing of contacts, e.g. for short-circuiting the apparatus to be protected (267)
H01H 81 - Protective switches in which contacts are normally closed but are repeatedly opened and reclosed as long as a condition causing excess current persists, e.g. for current limiting (367)
H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current (5,042)
H01H 85 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive (9,445)
H01H 87 - Protective devices in which a current flowing through a liquid or solid is interrupted by the evaporation of the liquid or by the melting and evaporation of the solid when the current becomes excessive, the circuit continuity being reestablished on cooling (149)
H01H 89 - Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass (1,459)
H01H 9 - Details of switching devices, not covered by groups (32,796)

Patents for H01H - Electric switches; Relays; Selectors; Emergency protective devices (265)
03/2005
03/16/2005	EP1344235A4 Switch unit
02/2005
02/23/2005	CN1190812C Arc-suppressing device and switch with said device and method for arc-suppressing
02/03/2005	US20050023903 High power liquid dielectric switch
02/01/2005	US6849968 Switch unit
02/01/2005	US6849813 Step switch with selector
01/2005
01/27/2005	DE202004013965U1 Solenoid type permanent magnet trigger mechanism for electronic overload relay has L-shaped tongue element for magnetic connection to electromagnetic system so rod element and attached components can move horizontally
01/20/2005	WO2005006363A2 System, apparatus and method for detection of electrical faults
01/20/2005	CA2531416A1 System, apparatus and method for detection of electrical faults
12/2004
12/01/2004	CN1178248C Switch and structure for mounting switch
11/2004
11/23/2004	US6822456 Bi-metallic test switch
09/2004
09/22/2004	CN1168111C Fuse circuit having zero powder draw for partially blown condition
09/08/2004	CN2640026Y Permanent magnet solenoid actuating mechanism of electronic overload relay
07/2004
07/08/2004	WO2004051682A3 Modular switch system on high-speed serial bus
06/2004
06/24/2004	CA2415166A1 Modular switch system on high speed serial bus
06/17/2004	WO2004051682A2 Modular switch system on high-speed serial bus
06/03/2004	US20040105425 Modular switch system on high-speed serial bus
05/2004
05/27/2004	US20040099947 Interconnection method and structure
05/05/2004	CN1494724A 开关单元 Switch unit
05/05/2004	CN1148706C Push-button switch device for time-piece
04/2004
04/15/2004	US20040070512 Switch unit
03/2004
03/24/2004	CN2607653Y Electric hair protector
01/2004
01/29/2004	US20040018418 Bi-metallic test switch
01/28/2004	EP1385016A1 Bi-metallic test switch
01/06/2004	US6671948 Interconnection method using an etch stop
12/2003
12/10/2003	CN1130745C Switch and switching device using same
10/2003
10/15/2003	CN1124668C 固定框架 Cage
10/01/2003	CN1123020C Step switch with selector
09/2003
09/17/2003	EP1344235A1 Switch unit
09/03/2003	EP1123556A4 Fuse circuit having zero power draw for partially blown condition
09/03/2003	CN1120511C Blow-out coil for gas-insulated load-break switches
06/2003
06/04/2003	EP1316979A1 Illumination key
11/2002
11/13/2002	CN1094245C 配线器具用板 Appliances wiring board
11/13/2002	CN1094244C 开关装置 Switching device
09/2002
09/04/2002	CN1367283A Sewing machine capable of forming taut stitch when it is used for forming quilted seam
07/2002
07/24/2002	CN1360284A Push-button switch device for time-piece
06/2002
06/20/2002	US20020075107 Interconnection method and structure
06/19/2002	EP1215726A2 Interconnection method and structure
05/2002
05/30/2002	WO2002043091A1 Switch unit
05/30/2002	CA2429038A1 Switch unit
05/29/2002	CN2494027Y Metal electric switch panel
04/2002
04/25/2002	US20020048135 Micro-switches for downhole use
04/10/2002	EP1105896B1 Step switch with selector
03/2002
03/20/2002	CN1340834A Arc-suppressing device, switch with the said device and method for arc suppressing
02/2002
02/27/2002	EP1019929B1 Electric switch for devices
12/2001
12/12/2001	EP1064663B1 Gas-insulated load-break switch with a quenching coil
10/2001
10/31/2001	CN1319857A Quick action switch with press-button touch handle and decoration technology for press-button touch handle
08/2001
08/16/2001	EP1123556A1 Fuse circuit having zero power draw for partially blown condition
08/08/2001	CN1307385A Fixed frame
06/2001
06/13/2001	EP1105896A1 Step switch with selector
03/2001
03/28/2001	CN1289445A Fuse circuit having zero power draw for partially blown condition
01/2001
01/24/2001	CN1281236A Improved load disconnect switch
01/03/2001	EP1064663A1 Blow-out coil for gas-insulated load-break switches
11/2000
11/29/2000	CN1275240A Step switch with selector
11/22/2000	CN1274468A Blow-out coil for gas-insulated load-break switches
08/2000
08/09/2000	CN1262518A Switch and structure for mounting switch
07/2000
07/19/2000	EP1019929A1 Electric switch for devices
07/04/2000	US6084190 Illuminated keypad key and method of manufacture thereof
06/2000
06/14/2000	EP1008214A2 Switching device including spark gap for switching electrical power
06/07/2000	CN1255715A Board for distributor
05/2000
05/31/2000	CN1254936A 开关装置 Switching device
05/10/2000	CN1052334C Breaker for high rating ampere circuit breaker
03/2000
03/30/2000	WO2000017902A1 Fuse circuit having zero power draw for partially blown condition
03/30/2000	CA2316977A1 Fuse circuit having zero power draw for partially blown condition
03/01/2000	CN1246209A Switching device including spark gap for switching electrical power
03/01/2000	CN1246208A Switching device including spark gap for switching electrical power
02/2000
02/24/2000	WO2000010182A1 Step switch with selector
02/24/2000	CA2340262A1 Step switch with selector
12/1999
12/07/1999	US5999038 Fuse circuit having zero power draw for partially blown condition
11/1999
11/25/1999	DE19813217C1 Löschspule für gasisolierte Lasttrennschalter Quenching coil for gas-insulated switch disconnectors
11/09/1999	CA2149664C Low energy fuse and method for its manufacture
10/1999
10/27/1999	EP0951747A2 Switching device including spark gap for switching electrical power
10/21/1999	DE19836463C1 Electric stepping switch for stepping transformer
10/06/1999	EP0947041A2 A device and a method for protecting an object against fault related over-currents
09/1999
09/30/1999	WO1999049488A1 Blow-out coil for gas-insulated load-break switches
09/01/1999	EP0939414A1 Illumination key and method of manufacture thereof
06/1999
06/16/1999	CN1219745A Thermomagetic circuit-breaker
04/1999
04/15/1999	WO1999018589A1 Electric switch for devices
03/1999
03/24/1999	CN1211804A Switch and switching device using same
12/1998
12/01/1998	US5844322 Low energy fuse and method for its manufacture
11/1998
11/25/1998	CN1199974A Illumination key and method of manufacture thereof
08/1998
08/26/1998	CN1191379A Illumination key and method of manufacture thereof
08/19/1998	EP0859388A2 Illumination key and method of manufacture thereof
08/13/1998	WO1998029928A3 Switching device including spark gap for switching electrical power, a method for protection of an electrical object and its use
08/13/1998	WO1998029927A3 Switching device including spark gap for switching electrical power, a method for protection of an electric object and its use
07/1998
07/09/1998	WO1998029931A2 A device and a method for protecting an object against fault related over-currents, and its use
07/09/1998	WO1998029930A2 A device and a method for protecting an object against fault-related over-currents
07/09/1998	WO1998029928A2 Switching device including spark gap for switching electrical power, a method for protection of an electrical object and its use
07/09/1998	WO1998029927A2 Switching device including spark gap for switching electrical power, a method for protection of an electric object and its use
07/09/1998	CA2275639A1 Switching device including spark gap for switching electrical power, a method for protection of an electrical object and its use
04/1998
04/01/1998	EP0670824B1 Low energy fuse and method for its manufacture
05/1997
05/13/1997	US5629493 Low energy fuse having improved properties in both axial and radial directions
12/1996
12/18/1996	EP0590017B1 A galvanic switch
12/11/1996	CN1137684A Circuit breaker bell alarm reset mechanism
08/1996
08/18/1996	CA2168610A1 Circuit breaker bell alarm reset mechanism
03/1996
03/13/1996	CN1118508A Sealed switching unit, particularly for electric household appliances
02/1996
02/21/1996	EP0654170B1 Thermal cut-out and process for activating it
09/1995
09/13/1995	EP0670824A1 Low energy fuse and method for its manufacture
05/1995
05/24/1995	EP0654170A1 Thermal cut-out and process for activating it.
12/1994
12/28/1994	EP0417223B1 Fuse
06/1994
06/22/1994	EP0471678B1 Load switching device with a three-position switch

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