| Patents for H01H 9 - Details of switching devices, not covered by groups (32,796) |
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| 07/11/1990 | CN2059268U Conical electric contact point with arc extinguishing equipment |
| 07/10/1990 | CA1271502A1 Arc-free electromagnetic contactor |
| 07/05/1990 | DE3911294A1 Container for storing remote controls |
| 07/04/1990 | EP0376066A1 Control apparatus |
| 07/03/1990 | US4939491 Combination barrier and auxiliary CT board |
| 07/03/1990 | US4939319 Step selector for a stepped transformer |
| 06/28/1990 | WO1990006739A1 Operator device |
| 06/28/1990 | DE3842058A1 Electrical switching device having an electromagnetic switch drive |
| 06/27/1990 | EP0375568A1 Modulator assembly device for a multipole differential circuit breaker |
| 06/27/1990 | EP0374962A2 push button box |
| 06/27/1990 | EP0374959A2 Switch mechanism for an electric power tool |
| 06/27/1990 | EP0374545A2 Switch |
| 06/26/1990 | US4937705 Variable power control apparatus having external heat sink mounting battery clips |
| 06/26/1990 | US4937703 Circuit for driving a relay with protection against contact degradation |
| 06/26/1990 | US4937698 System for foreseeing deterioration in interrupting performance of vacuum interrupter |
| 06/26/1990 | US4937408 Self-illuminating panel switch |
| 06/26/1990 | US4937403 Power source switching device |
| 06/21/1990 | DE3941117A1 Operating equipment for manual control of multifunctional appts. - has operational function keys on main modular component for variety of appts. installed in subsidiary modules |
| 06/21/1990 | DE3842059A1 Electrical switching device having an electromagnetic switch drive |
| 06/20/1990 | EP0373407A1 Remote control device for the transmission of commands |
| 06/19/1990 | US4935711 Electromagnetic switch |
| 06/19/1990 | US4935589 Arc extinction chamber unit in a multipolar circuit breaker |
| 06/19/1990 | US4935586 Cylindrical step selector for stepped transformers |
| 06/19/1990 | US4935165 Providing a nitrogenous base gas |
| 06/19/1990 | US4934494 Combined locking mechanism and switch especially for power tools |
| 06/14/1990 | WO1990006588A1 Electromagnetic relay |
| 06/14/1990 | WO1990006245A1 Steering column switch for motor vehicles |
| 06/13/1990 | EP0372349A1 Functional locking cabinet for a medium tension switchgear |
| 06/12/1990 | US4933806 Method and device for controlling an electromagnet whose energization, by means of a monoarch periodic current, causes actuation of a mobile part |
| 06/12/1990 | CA1270287A1 Molded case circuit breaker with front accessible control panel |
| 06/06/1990 | EP0371376A2 Tap selector for step-down transformers with concentric actuating shafts |
| 06/06/1990 | EP0371375A2 Cylindrical tap selector for step-down transformers actuated in one step |
| 06/06/1990 | CN2058035U Soundless energy-saving press button |
| 06/06/1990 | CN1042797A Axial ratchet type pull-rod switch |
| 06/06/1990 | CN1042796A Lock mechanism for limiting contact maker |
| 06/05/1990 | US4931599 Step selector for a stepped transformer |
| 06/05/1990 | US4930918 Office machine, in particular matrix printer |
| 06/05/1990 | CA1270057A1 Method and device for controlling an electromagnet exited by an alternating current to establish contact between two elements |
| 05/30/1990 | EP0370386A2 Low-tension circuit breaker with partitioned poles |
| 05/30/1990 | EP0370385A2 Arrangement for the connection of a position indicator |
| 05/29/1990 | US4929920 Compact circuit breaker with an electronic trip unit |
| 05/23/1990 | EP0369844A1 Locking mechanism for a current-limiting contactor |
| 05/23/1990 | EP0369221A2 Electrical switch for an electrical hand-held tool |
| 05/23/1990 | EP0368961A1 D.c. reversing switch. |
| 05/23/1990 | DE3839404A1 Constructive design of a protective device for safety shutdown of domestic microwave ovens |
| 05/23/1990 | CN2057535U Mechanical blocking device for preventing faulty operation of electric apparatus |
| 05/23/1990 | CN2057531U Universal light-regulating energy-saving switch with two-key |
| 05/22/1990 | US4928080 Molded case circuit breaker line terminal plug |
| 05/17/1990 | DE3838669A1 Pressure-resistant housing for accommodating a power switch (circuit breaker) |
| 05/16/1990 | EP0368114A1 Mechanically machinable plastic casing |
| 05/16/1990 | CN1042266A Safety device for a switching appliance formed by assembling together several removable modular elements |
| 05/16/1990 | CN1008026B Molded case circuit breaker with combined position indicator and handle barrier |
| 05/15/1990 | US4926149 Protected electric switching apparatus and a device for fixing same |
| 05/15/1990 | US4926110 Voltage switching device with plural fuses |
| 05/15/1990 | US4926019 Moving copper pivot |
| 05/15/1990 | US4926018 Moving mains arc movement loop |
| 05/15/1990 | US4926016 Moving contact blade barrier |
| 05/15/1990 | US4925149 Shock absorbing unit |
| 05/09/1990 | CN2057036U Key switch for preventing multiple power supplies from erroneous connection in parallel |
| 05/09/1990 | CN2057027U Button switch with colours displaying on/off states |
| 05/09/1990 | CN1042026A Circuit breaker with low voltage contact structure |
| 05/09/1990 | CN1007946B Mechanism for operating handle of breaker |
| 05/08/1990 | US4924214 Door mat alarm |
| 05/08/1990 | US4924041 Universal circuit breaker interlock arrangement |
| 05/08/1990 | CA1268849A1 Switch gear |
| 05/03/1990 | DE3906538C1 Apparatus switching device having a safety inhibit |
| 05/02/1990 | EP0366519A1 Security device for a switching apparatus made by the assembly of several removable modular elements |
| 05/02/1990 | EP0366339A2 Improved multiphase motor protector apparatus |
| 05/02/1990 | CN2056787U Safety energy saving power supply switch for electricity cut-off |
| 05/01/1990 | US4922363 Contactor control system |
| 05/01/1990 | US4922069 Electrical control switch mechanism |
| 05/01/1990 | US4922062 Switch and terminal assembly |
| 05/01/1990 | US4921124 Pressure compensating element for electronic device enclosure |
| 04/25/1990 | CN2056543U Vacuum contactor for mechanical locker mode |
| 04/25/1990 | CN1041666A Laminated copper assembly |
| 04/24/1990 | US4920448 Semiconductor-assisted ultra-fast contact breaker |
| 04/24/1990 | US4920244 Vacuum cleaner switch retainer |
| 04/24/1990 | US4920242 Electric high-voltage circuit breaker |
| 04/18/1990 | CN2056276U Litz wire pulling switch |
| 04/18/1990 | CN1041476A Circuit breaker with arc gum |
| 04/17/1990 | US4918566 Electronic control of solenoid operated circuit breakers |
| 04/17/1990 | US4918439 Remote control device |
| 04/17/1990 | US4917414 Interlock arrangement for an appliance door and an interlock unit therefor |
| 04/12/1990 | DE3834155A1 Moving contact link for an air-cored contactor |
| 04/11/1990 | CN2055987U Indoor high-pressure vacumm circuit breaker |
| 04/11/1990 | CN2055984U Pull-switch |
| 04/11/1990 | CN2055983U Pull switch capable of displaying on-off state |
| 04/11/1990 | CN2055982U Spherical switch for preventing on-off pulling knife swith with load |
| 04/11/1990 | CN2055981U Electricity-saving and life-increasing safety box |
| 04/11/1990 | CN1007568B Ground fault receptacle with compact component arrangement |
| 04/10/1990 | US4916265 Adjustable mounting assembly for a limit switch |
| 04/10/1990 | CA1267671A1 Low voltage circuit-breaker with improved breaking |
| 04/05/1990 | WO1990003656A1 Process for operating a power switch |
| 04/05/1990 | WO1990003655A1 A switching circuit |
| 04/05/1990 | DE3249953C2 Switch device for remotely operated automobile mirror - has movable contact which can electrically short-circuit contact pairs and device for automatically resetting elements |
| 04/04/1990 | EP0361073A1 Boiling drinks machine having a continuous-flow heater powered in two stages |
| 04/04/1990 | CN2055637U External displaying on-off state pull switch without changing original structure |
| 04/04/1990 | CN1041062A Electrical switching device with cover interlock |
| 04/03/1990 | CA1267463A1 Switch status monitoring system, single wire bus, smart sensor arrangement therefor |
| 03/29/1990 | DE3833166A1 Method for operating a power switch |