| Patents for H01T 1 - Details of spark gaps (2,199) |
|---|
| 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 |