| Patents for H01T 4 - Overvoltage arresters using spark gaps (2,976) |
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| 01/20/1988 | EP0253223A1 Surge arrester arrangement for a metallic, shielded gas-insulated electric device |
| 01/12/1988 | CA1231410A1 Connector block with solderless, non-screwed and stripping-free terminals having a polytropic air gap for terminating cable wires and dropwire cables |
| 01/07/1988 | EP0251010A1 Gas-filled surge arrester |
| 12/23/1987 | EP0249796A1 Gas discharge overtension arrester |
| 12/01/1987 | US4710846 Modular protector for telecommunications equipment |
| 11/24/1987 | CA1229672A1 Interface module with modular jack for telecommunications systems |
| 11/17/1987 | US4707762 Surge protection device for gas tube |
| 11/12/1987 | DE3615236A1 Overvoltage protection arrangement for fuzing and detonating means |
| 10/28/1987 | EP0242688A1 Surge arrester |
| 10/28/1987 | EP0242590A1 Gas-discharge surge arrester |
| 10/20/1987 | CA1228394A1 Lighting protection of aerial transmission lines |
| 09/22/1987 | US4695920 Isothermal cavity and spark gap protection assembly for input/output connection terminals for electronic modules |
| 09/09/1987 | EP0236257A1 Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester |
| 09/09/1987 | CN86206172U Lightning arrester with two discharge gaps |
| 09/03/1987 | DE3606287A1 Overvoltage protection arrangement |
| 08/26/1987 | CN86108676A Lightning conductor |
| 08/11/1987 | US4686603 Overvoltage arrester |
| 08/05/1987 | CN86100666A Lightening arrester with gap voltage sensing and heat dissipating plates |
| 07/29/1987 | EP0230103A2 Packing arrangement, particularly a surge arrester |
| 07/22/1987 | EP0229464A1 Frangible housing for an electrical component |
| 07/16/1987 | DE3600735A1 Printed circuit board assembly having at least one protection circuit for protecting a circuit against overvoltages |
| 07/15/1987 | EP0228984A2 Lightning conductor |
| 07/14/1987 | US4680665 Gas discharge arrester |
| 07/07/1987 | US4679113 Electrical distribution apparatus having draw-out surge arrester |
| 06/23/1987 | US4675779 Telephone protector module having self-contained sealing means |
| 06/23/1987 | US4675778 Overload protector for communications systems |
| 06/23/1987 | US4675773 Transmission line protection system |
| 06/16/1987 | EP0225840A1 Surge arrester with a connector part for medium tension switch systems |
| 06/09/1987 | US4672259 Power spark gap assembly for high current conduction with improved sparkover level control |
| 06/03/1987 | EP0224074A2 Electrical distribution apparatus having draw-out surge arrester |
| 05/12/1987 | US4665460 Device for protecting overhead electroconducting lines against lightning |
| 05/12/1987 | US4665337 Gas discharge arrester and method of manufacture |
| 04/14/1987 | US4658325 Apparatus for providing positive protection for station protectors for telephone systems |
| 03/31/1987 | US4654628 Network resistor unit |
| 03/31/1987 | US4654619 Module for the protection of multiwire lines against overvoltages |
| 03/10/1987 | US4649456 Three element gas tube protector module |
| 03/10/1987 | US4649315 Cathode-ray tube socket |
| 03/03/1987 | US4647121 Distributor strip comprising a plurality of double terminal posts allowing non-stripped connection of electrical conductors |
| 02/25/1987 | EP0211517A2 High voltage transient protection device |
| 02/17/1987 | US4644441 Discharge-type arrester |
| 02/10/1987 | US4642723 A heat protection device for overvoltage arrester magazines |
| 02/03/1987 | US4641218 Protector with circuit disabler |
| 02/03/1987 | US4640794 Impulse rocket propellant |
| 01/27/1987 | US4639820 Protective element for distributor strips |
| 01/13/1987 | CA1216622A1 Line protector for a communications circuit |
| 01/08/1987 | DE3523299A1 Auxiliary spark gap |
| 12/30/1986 | US4633360 Station protector |
| 12/09/1986 | US4628399 Anti-overvoltage protector |
| 12/09/1986 | US4628294 End cap assembly for a fluid resistant electrical device |
| 12/02/1986 | US4626957 Capacitor with discharge gap |
| 11/26/1986 | CN86203014U Plastics sealed electrical discharger |
| 11/26/1986 | CN85104220A Line protector module applicable particularly to telephone distributing frame |
| 11/25/1986 | US4624514 Station interface and protector apparatus |
| 11/25/1986 | CA1214508A1 Gas filled surge arrester |
| 11/04/1986 | CA1213640A1 Lightning arrester insulator |
| 10/28/1986 | US4620126 For use in a television receiver |
| 10/14/1986 | US4617602 Protective plug for distributor strips |
| 10/07/1986 | US4616288 Surge voltage protection means for attachment to a main distribution frame |
| 10/07/1986 | US4616155 Overvoltage discharger for coaxial cables and method of making same |
| 10/07/1986 | CA1212411A1 Lightning arrester with leakage current detection |
| 09/23/1986 | US4613732 Interface module with modular jack for telecommunications systems |
| 08/27/1986 | CN85109150A Transmission lines protective systems |
| 07/29/1986 | US4603368 Voltage arrester with auxiliary air gap |
| 07/22/1986 | CA1208282A1 Current transformer secondary voltage limiter |
| 07/15/1986 | US4600859 Cathode ray tube protection systems |
| 06/11/1986 | EP0183873A1 Overvoltage arrester for a direct-current air conductor |
| 06/10/1986 | US4594635 Overload protector for communication systems |
| 05/28/1986 | EP0181959A1 Overvoltage arrester |
| 05/06/1986 | US4587592 Zinc oxide lightning protector |
| 04/29/1986 | US4586105 High voltage protection device with a tape covered spark gap |
| 04/29/1986 | US4586104 Passive overvoltage protection devices, especially for protection of computer equipment connected to data lines |
| 04/29/1986 | CA1203842A1 Surge arrester |
| 04/22/1986 | US4584624 Station protector for telecommunications systems |
| 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 |
| 03/18/1986 | CA1202060A1 Coaxial lightning arresting structure |
| 03/12/1986 | EP0173790A2 Cathode-ray tube socket |
| 03/11/1986 | US4575691 Cable isolator with overvoltage protection |
| 03/11/1986 | CA1201762A1 Lightning arrester |
| 03/04/1986 | US4573755 Spark gap device for a cathode ray tube socket |
| 02/25/1986 | US4573100 Telephone two element gas tube protector module |
| 02/18/1986 | US4571660 Lightning arrester insulator |
| 02/10/1986 | CN85100581A Arrester capable of blocking the carrier wave |
| 02/04/1986 | CA1200281A1 Power converter |
| 01/14/1986 | CA1199364A1 Electrical protective devices and methods of assembling |
| 12/27/1985 | EP0165335A1 Connector bank with solderless, non-screwed and stripless connecting elements with a polytropic air gap for the connection of cable wires and overhead cables (dropwire cables) |
| 12/04/1985 | EP0163053A1 Voltage surge arrester |
| 10/29/1985 | US4550273 Eight electrode optical readout gap |
| 10/15/1985 | US4547831 Surge arrester |
| 10/08/1985 | US4546402 Hermetically sealed gas tube surge arrester |
| 10/01/1985 | US4544984 Coaxial lightning arresting structure |
| 09/17/1985 | US4541682 Connector block with solderless, non-screwed and stripping-free terminals having a polytropic air gap for terminating communication cables and dropwire cables |
| 08/27/1985 | US4538202 For protecting an apparatus against destructive overvoltages |
| 08/27/1985 | US4538201 Surge protector |
| 08/27/1985 | US4538200 Power connection apparatus having integrated surge arrestor |
| 08/13/1985 | US4535379 Telephone protector module with auxiliary fusible element |
| 08/13/1985 | US4535253 Mobile electrical apparatus |
| 08/06/1985 | US4533971 Shorting cage for protector wells |