Patents for H01T 1 - Details of spark gaps (2,199) |
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03/29/1989 | EP0308553A1 Transient suppressor device assembly |
03/28/1989 | US4816959 Containing zinc oxide |
03/22/1989 | EP0307473A1 Discharge device for magnetopulse processing and welding of metals |
03/14/1989 | US4811478 Self-supporting, zinc oxide core |
03/02/1989 | DE3727545A1 Overvoltage suppressor for high current loads |
03/01/1989 | EP0304690A1 Production process for a lightning arrester, and lightning arrester obtained by this process |
01/26/1989 | DE3723571A1 High-voltage spark gap |
01/17/1989 | CA1249016A1 Overload protector for communications systems |
01/10/1989 | US4797778 Gas discharge path |
01/03/1989 | US4796283 Surge counter for an overvoltage arrester |
01/03/1989 | US4796150 Telecommunication protector unit with pivotal surge protector |
12/28/1988 | EP0296912A1 Method and apparatus to improve the discharge regime of an electric arc between two electrodes by interposing a high resistive insulating element, shock-wave generator using such a method and apparatus, particularly for hydraulic lithotrypsie |
12/20/1988 | US4792724 Perfluorohydrocarbons and inert gas buffers |
11/29/1988 | US4788622 Device for indicating the short-circuiting of a lightning arrester |
11/23/1988 | EP0292430A1 Process and device for the overvoltage protection of an electrical conductor system |
11/15/1988 | CA1244861A1 Electrical components incorporating a temperature responsive device |
11/03/1988 | WO1988008634A1 Gas-filled surge arrestor |
10/26/1988 | EP0287771A1 EMP generator |
10/19/1988 | EP0286740A1 Transient suppressor |
10/19/1988 | EP0286739A1 Transit suppression system |
10/04/1988 | CA1242759A1 Zinc oxide lightning protector |
09/27/1988 | US4774622 Connecting apparatus for lightning arresters for overhead transmission lines |
09/22/1988 | WO1988006937A1 Discharge device for magnetopulse processing and welding of metals |
09/14/1988 | EP0282404A1 Coating composition for surge arrester electrodes |
09/14/1988 | EP0281945A1 Manufacturing process for a lightning arrester |
09/06/1988 | US4769736 Gas discharge surge arrester |
08/31/1988 | EP0280116A2 Lighting protection apparatus |
08/23/1988 | US4766513 High voltage apparatus |
08/17/1988 | EP0278585A1 Packaged solid state surge protector |
08/02/1988 | US4761707 Lightning-conducting insulators |
07/27/1988 | EP0275772A1 Housing for an electric device, particularly for a surge arrester, comprising an insulating moulded envelope |
07/20/1988 | EP0274980A2 Gas discharge surge arrester with an ignition line |
07/20/1988 | EP0274674A1 Process for manufacturing a lightning arrester, and lightning arrester obtained by this process |
06/28/1988 | US4754363 Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester |
06/28/1988 | CA1238681A1 Heat protection device for overvoltage arrester magazines adapted to be plugged into terminal blocks loaded with solderless, non-screwed and stripping- free terminals |
06/01/1988 | DE3639533A1 Plug-in surge diverter for electrical installations |
05/19/1988 | DE3639914A1 Device for protecting a telecommunications line against overvoltages |
04/27/1988 | EP0264409A1 Device for protecting a surge arrester against overheating |
04/27/1988 | CN87106916A Arrester connection device for overhead transmission line |
04/19/1988 | US4739439 Overvoltage arrester |
04/05/1988 | US4736269 Voltage surge limiter with grounding assembly |
03/30/1988 | EP0262056A1 Indicator for signalizing a short circuit in a lightning arrester |
03/29/1988 | US4734823 Fault current interrupter and explosive disconnector for surge arrester |
03/22/1988 | US4733325 Electrical protective devices |
03/22/1988 | US4733324 Surge arrestor |
03/08/1988 | US4730229 Male base subscriber circuit protector module |
03/01/1988 | US4729053 Process for the production of a lightning arrester and products produced thereby |
01/07/1988 | EP0251010A1 Gas-filled surge arrester |
01/05/1988 | US4717902 Electrical components incorporating a temperature responsive device |
12/23/1987 | EP0249796A1 Gas discharge overtension arrester |
11/25/1987 | EP0246820A2 Electrical distribution apparatus having fused draw-out surge arrester |
11/17/1987 | US4707762 Surge protection device for gas tube |
11/04/1987 | EP0243813A1 Spark gap |
10/28/1987 | EP0242688A1 Surge arrester |
10/28/1987 | EP0242590A1 Gas-discharge surge arrester |
10/22/1987 | WO1987006399A1 Device for protecting a surge arrester against overheating |
10/20/1987 | US4701825 Line protector |
10/14/1987 | EP0240783A1 Event counter for an overvoltage arrester |
09/09/1987 | EP0236257A1 Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester |
09/02/1987 | EP0233907A1 Surge voltage protection arrangements |
08/11/1987 | US4686603 Overvoltage arrester |
07/22/1987 | EP0229303A1 Spark gap, particularly for use as booster gap for a sparking plug of an internal combustion engine |
07/22/1987 | CN86205482U Channel spark switches located in 30 pieces per metre |
07/14/1987 | US4680665 Gas discharge arrester |
07/02/1987 | WO1987004017A1 Spark gap, in particular for use as a pre-spark gap of a spark plug of an internal combustion engine |
06/23/1987 | US4675778 Overload protector for communications systems |
06/09/1987 | US4672259 Power spark gap assembly for high current conduction with improved sparkover level control |
05/12/1987 | US4665337 Gas discharge arrester and method of manufacture |
05/05/1987 | US4663692 Electrical surge arrester and disconnector |
04/07/1987 | US4656555 Filament wrapped electrical assemblies and method of making same |
03/10/1987 | US4649456 Three element gas tube protector module |
02/17/1987 | US4644441 Discharge-type arrester |
02/12/1987 | WO1987000984A1 Surge voltage protection arrangements |
02/10/1987 | US4642723 A heat protection device for overvoltage arrester magazines |
02/03/1987 | US4640794 Impulse rocket propellant |
01/08/1987 | DE3523299A1 Auxiliary spark gap |
12/17/1986 | EP0204909A1 Electrode material for a spar gap assembly |
12/02/1986 | US4626957 Capacitor with discharge gap |
12/02/1986 | US4626955 Three electrode gas tube protector |
11/25/1986 | CA1214508A1 Gas filled surge arrester |
11/04/1986 | CA1213640A1 Lightning arrester insulator |
10/29/1986 | EP0198868A1 Electrical components incorporating a temperature responsive device. |
10/21/1986 | CA1212989A1 Surge voltage arrester having an external short- circuit path |
10/08/1986 | EP0196370A1 Method for the production of an overvoltage diversion utilizing a ZnO-based varistor, and overvoltage diversion thus produced |
09/02/1986 | US4609902 Arrester support and disconnector structure |
07/29/1986 | US4603368 Voltage arrester with auxiliary air gap |
07/22/1986 | CA1208282A1 Current transformer secondary voltage limiter |
07/09/1986 | CN86100064A Discontinuous corona discharge pulse lightning rod |
06/11/1986 | EP0183873A1 Overvoltage arrester for a direct-current air conductor |
06/04/1986 | EP0183542A1 Circuit protection arrangement |
05/28/1986 | EP0181959A1 Overvoltage arrester |
05/09/1986 | WO1986002773A1 Electrical components incorporating a temperature responsive device |
05/06/1986 | US4587592 Zinc oxide lightning protector |
04/22/1986 | US4583954 Methods of assembling electrical protective devices |
04/15/1986 | US4583147 Gas discharge overvoltage arrester with concentrically surrounded socket |
04/01/1986 | CA1202670A1 Protection unit for telecommunications circuits |
03/25/1986 | US4578733 Surge voltage arrester |
03/11/1986 | CA1201762A1 Lightning arrester |
02/25/1986 | US4573100 Telephone two element gas tube protector module |
02/18/1986 | US4571660 Lightning arrester insulator |