| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 12/31/1985 | US4562319 Metal-clad puffer-type circuit-breaker having closing resistors |
| 12/24/1985 | US4560848 Circuit breaker of spiral arc type |
| 12/17/1985 | US4559511 Vacuum contactor having DC electromagnet with improved force watts ratio |
| 12/17/1985 | US4559425 Compressed-gas breaker |
| 12/17/1985 | US4559424 Disconnect switch for high-voltage switching installation |
| 12/17/1985 | CA1198135A1 Loadbreak bushing and snuffer/contact assembly therefor |
| 12/11/1985 | EP0163943A2 Gas-blast switch |
| 12/11/1985 | EP0163794A1 Device for connecting a braided wire to a contact rod, and method of producing it |
| 12/10/1985 | US4557529 Vacuum interrupter guide bushing retainer means |
| 12/04/1985 | EP0163593A1 Contact arrangement for a vacuum switch |
| 12/03/1985 | US4556767 Gas-blast circuit breaker |
| 12/03/1985 | US4555977 Hydraulic control circuit for controlling and monitoring operating pressure in a hydraulic consumer device |
| 11/27/1985 | EP0162801A1 Contact arrangement for a vacuum interrupter |
| 11/27/1985 | EP0162212A1 Driving device for a switch |
| 11/26/1985 | US4555603 Grounding switch |
| 11/21/1985 | WO1985005218A1 Switching device with antiarcing screen |
| 11/21/1985 | EP0161349A2 Vacuum interrupter |
| 11/19/1985 | US4554425 Copper, chromium, iron, carbon, silicon, porous matrix |
| 11/13/1985 | EP0161120A1 Combination for load break and visible disconnection of an electrical circuit |
| 11/13/1985 | EP0161036A2 High-voltage electric switch with arc extinguishing device using self-generation of a quenching pressure |
| 11/13/1985 | EP0160853A2 Compressed-gas circuit breaker |
| 11/12/1985 | US4553139 Vacuum monitor for vacuum interrupter |
| 11/12/1985 | US4553008 Load interrupter |
| 11/12/1985 | US4553007 Arc resistant vapor condensing shield for vacuum-type circuit interrupter |
| 11/12/1985 | US4553004 Puffer-type gas-blast circuit-breaker |
| 11/12/1985 | US4553003 Cup type vacuum interrupter contact |
| 11/12/1985 | US4553002 Axial magnetic field vacuum-type circuit interrupter |
| 11/12/1985 | CA1196670A1 Contact breaking chamber for gas circuit breaker |
| 11/05/1985 | US4551596 Surge-absorberless vacuum circuit interrupter |
| 11/05/1985 | CA1196365A1 Electrical shorting switch assembly including a last to open last to close arcing switch |
| 10/30/1985 | EP0159960A1 Vacuum switching apparatus with a driving device and a spring carrying the movable connector bolt of the switch tube |
| 10/30/1985 | EP0159737A1 Vacuum switch provided with horseshoe-shaped element for generating an axial magnetic field |
| 10/29/1985 | US4550356 Circuit breaker |
| 10/29/1985 | US4550234 Vacuum circuit breaker with two switching tubes connected in series for each pole |
| 10/23/1985 | EP0158916A2 Electrical-load switch, in particular for use in medium-voltage installations |
| 10/22/1985 | US4549132 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current |
| 10/16/1985 | EP0158520A2 Load break switch with safety mechanism |
| 10/16/1985 | EP0158482A1 Internal combustion circuit breaker |
| 10/16/1985 | EP0158054A1 Hydraulic drive |
| 10/16/1985 | EP0157922A1 High-voltage switch |
| 10/15/1985 | US4547769 Vacuum monitor device and method for vacuum interrupter |
| 10/15/1985 | US4547640 Electrical contact structure of a vacuum interrupter |
| 10/15/1985 | US4547639 Vacuum circuit breaker |
| 10/15/1985 | US4547638 Vacuum interrupter |
| 10/15/1985 | US4547316 Insulating gas for electric device |
| 10/10/1985 | WO1985004515A1 Internal combustion circuit breaker |
| 10/09/1985 | EP0157242A2 Arc extinguishing means for electrical-load switches |
| 10/08/1985 | US4546222 Vacuum switch and method of manufacturing the same |
| 10/08/1985 | CA1194910A1 Circuit interrupter closing resistance mechanism |
| 10/01/1985 | US4544987 Magnetically operated AC switching device with delay-on-dropout |
| 10/01/1985 | US4544817 Vacuum contactor with kickout spring |
| 09/25/1985 | EP0155584A1 Method for processing vacuum switch |
| 09/25/1985 | EP0155376A1 Contact arrangement for a vacuum switch |
| 09/25/1985 | EP0155322A1 Electrode of vacuum breaker |
| 09/24/1985 | CA1194061A1 Primary circuit breaker |
| 09/18/1985 | EP0155076A1 Circuit breakers for direct and alternating current |
| 09/18/1985 | EP0154908A2 Power line/transformer switch |
| 09/17/1985 | US4542266 Contact arrangement for vacuum switches |
| 09/17/1985 | CA1193637A1 Circuit interrupter operating mechanism having a chemical operator with a stationary piston |
| 09/11/1985 | EP0154004A1 Autopneumatic compressed gaz circuit breaker |
| 09/10/1985 | US4541033 Power switch assembly having a circuit breaker and a circuit disconnector |
| 09/10/1985 | US4540863 Vacuum-switching tube, especially for a low-voltage contactor |
| 09/10/1985 | US4540862 Vacuum switch with an insulating strut |
| 09/10/1985 | US4540861 Adding copper, tantalum, cobalt or iron material to improve breakdown performance |
| 09/03/1985 | US4539450 Disconnect switch |
| 09/03/1985 | US4539448 Disconnect switch for metal-clad, pressurized-gas insulated, high-voltage switchgear installation |
| 08/29/1985 | WO1985003802A1 Contact material for vacuum breaker |
| 08/28/1985 | EP0152718A1 Isolating switch for metal clad pressurized gas insulated high voltage switch gear |
| 08/28/1985 | EP0152611A2 Metal-enclosed gas-insulated switch installation |
| 08/28/1985 | EP0152583A2 High-tension switch |
| 08/27/1985 | US4538039 Composite circuit breaker |
| 08/27/1985 | US4537745 Method of producing copper-chromium fusion alloys as contact material for vacuum power switches |
| 08/27/1985 | US4537743 Electrode composition for vacuum switch |
| 08/21/1985 | EP0152208A2 Circuit breaker arrangement |
| 08/21/1985 | EP0152134A2 Arc contact system for electrical circuit breakers, in particular of the type using an arc extinguishing fluid |
| 08/20/1985 | US4536814 D. C. power controller with fuse protection |
| 08/13/1985 | US4535208 Actuating device for a high-voltage switch |
| 08/07/1985 | EP0150874A2 Electrical circuit breaker with arc extinguishing compressed fluid |
| 08/07/1985 | EP0150756A2 Control device for electric circuit breaker |
| 08/07/1985 | EP0150486A2 Electric circuit breaker |
| 08/07/1985 | EP0150389A1 Device for measuring the internal pressure of an industrial built-in vacuum switch |
| 08/07/1985 | EP0150361A2 Switching device for short circuiting a superconductive magnetic coil |
| 08/06/1985 | US4533798 Current transfer shunt arrangement |
| 08/06/1985 | US4533797 Low voltage rotary tap changer |
| 08/06/1985 | CA1191549A1 Vacuum circuit interrupter with on-line vacuum monitoring apparatus |
| 08/06/1985 | CA1191530A1 Puffer-type compressed-gas circuit-interrupter |
| 07/31/1985 | EP0150131A2 Gas-insulated interrupter |
| 07/31/1985 | EP0150079A2 Electric circuit breaker of the type using an arc quenching fluid with pressure self-generating due to the breakdown of the fluid |
| 07/30/1985 | US4532392 Rotating arc electric circuit breaker |
| 07/30/1985 | US4532391 Contact arrangement for vacuum switches |
| 07/24/1985 | EP0149470A2 Gas-blast high tension circuit breaker |
| 07/24/1985 | EP0149061A1 Vacuum switch for low tension, particularly a low tension protector |
| 07/24/1985 | EP0148851A1 Load break switch |
| 07/23/1985 | US4531031 Pneumatic operating mechanism for a circuit breaker |
| 07/16/1985 | US4529853 Electric circuit breaker with self blow-out by rotation of the arc |
| 07/10/1985 | EP0147592A1 Device for monitoring the operational capacity of switching devices |
| 07/10/1985 | EP0147509A2 High-speed current limiting circuit breaker |
| 07/09/1985 | US4528433 Electrically operated switch having an improved linkage means |
| 07/09/1985 | US4528432 Vacuum interrupter |
| 07/09/1985 | CA1190310A1 Switching device |