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)
05/1994
05/26/1994	WO1994011324A1 Low energy fuse and method for its manufacture
02/1994
02/17/1994	WO1994003913A1 Thermal cut-out and process for activating it
11/1993
11/24/1993	CN1022878C Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
09/1993
09/01/1993	CN1022004C Circuit breaker with moulded outer shell
08/1993
08/31/1993	CA1321820C Digital circuit interrupter with selectable trip parameters
07/1993
07/07/1993	CN1021526C Crossbar assembly
05/1993
05/25/1993	US5214400 Galvanic switch
05/19/1993	CN1020827C Circuit breaker auxiliary switch assembly
04/1993
04/27/1993	CA1316760C Electric initiator of low energy fuse
12/1992
12/23/1992	WO1992022919A1 A galvanic switch
12/23/1992	CN1019619B Modular breaker of auxiliary interruper unit and many stage breaker connected
04/1992
04/30/1992	WO1992006650A1 A suction device to be used in dental care
04/30/1992	DE4104429A1 Saugapparat zur anwendung in der zahnpflege Aspirator for application in the dental hygiene
04/28/1992	CA1299643C Digital circuit interrupter with electric motor trip parameters
03/1991
03/12/1991	CA1281373C Short circuit protection device including a breaker-limiter for alternating current
11/1990
11/27/1990	US4973927 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
11/15/1990	WO1990013932A1 Load switching device with a three-position switch
11/15/1990	DE3915948A1 Lastschaltanlage mit einem dreistellungsschalter Load switchgear with a three-position switch
11/07/1990	CN1046811A Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
10/1990
10/31/1990	EP0395326A1 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
10/30/1990	US4967304 Digital circuit interrupter with electric motor trip parameters
10/25/1990	CA2013535A1 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
09/1990
09/18/1990	WO1990011608A1 Fuse
09/18/1990	CA2028862A1 Melting fuse
09/05/1990	EP0164407B1 Shock hazard protection system
06/1990
06/26/1990	US4937757 Digital circuit interrupter with selectable trip parameters
03/1990
03/06/1990	CA1266500A1 Magnetic switch
02/1990
02/28/1990	CN1040112A Crossbar assembly
02/28/1990	CN1040111A Modular option deck assembly
02/14/1990	CN1039678A Circuit breaker auxiliary switch assembly
10/1989
10/03/1989	CA1262162A1 Circuit breaker with visible trip indicator
06/1989
06/07/1989	EP0233926B1 Key module for contact foil keyboards
05/1989
05/30/1989	CA1254933A1 Circuit breaker contact structure
05/02/1989	CA1253550A1 Circuit breaker trip indication device
04/1989
04/12/1989	EP0310798A2 Shock harzard protection system
03/1989
03/21/1989	US4814932 Device for protection against short circuits for AC networks and current limiting circuit breaker appropriate for such a device
01/1989
01/24/1989	US4800245 Key module for key-actuated membrane switch panels
11/1988
11/30/1988	CN88102711A Modular breaker of auxiliary interruper unit and many stage breaker connected
04/1988
04/05/1988	CA1234854A1 Electromagnet for electric switching device
01/1988
01/14/1988	WO1988000388A1 Protection device against short circuits for an a.c. network and breaker-limiter appropriate to such a device
01/07/1988	EP0251928A1 Short circuit protective device for an AC power system and limiting circuit breaker suitable therefor
09/1987
09/22/1987	EP0164407A4 Shock hazard protection system.
09/09/1987	CN86108695A Method of producing contact alloy for vacuum tube
07/1987
07/08/1987	CN86107636A Method for manufacture of contact material
02/1987
02/26/1987	WO1987001236A1 Key module for contact foil keyboards
10/1986
10/07/1986	US4616198 Contact arrangement for a current limiting circuit breaker
02/1986
02/26/1986	EP0172488A2 Contact arrangement for a current limiting circuit breaker
12/1985
12/18/1985	EP0164407A1 Shock hazard protection system.
08/1985
08/13/1985	CA1191934A1 Molded case switch having improved performance and single-phase protection
06/1985
06/20/1985	WO1985002724A1 Shock hazard protection system
08/1984
08/14/1984	CA1172672A1 Fuseholders
12/1981
12/29/1981	CA1115312A1 Single barrel puffer circuit interrupter
12/08/1981	CA1113983A1 Circuit breaker utilizing improved arc chambers
08/1981
08/18/1981	CA1107326A1 Automatic magnetic switch
08/11/1981	US4283108 Contact block with resilient socket contacts
02/1981
02/17/1981	CA1095953A1 Manually and electromagnetically operated circuit breaker
10/1980
10/14/1980	CA1087658A1 Thermal cut-off fuse
09/1980
09/09/1980	CA1085450A1 Voltage surge protector
05/1980
05/13/1980	CA1077549A1 Nozzle-type compressed-gas circuit-interrupter having gas-inlet orifices
01/1980
01/29/1980	CA1070739A1 Cam operated switch with tiltable operating lever
01/15/1980	US4184139 Thermal cut-off fuse
11/1979
11/20/1979	US4175277 Voltage surge protector
04/1979
04/03/1979	US4148002 Electric switches
04/1976
04/27/1976	US3953096 Free standing mother-daughter printed circuit board contact arrangement
03/1976
03/02/1976	US3941962 Gas blast circuit breaker

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