| Patents for H01T 4 - Overvoltage arresters using spark gaps (2,976) |
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| 07/10/1985 | EP0038621B1 Communications circuit line protector and method of making the same |
| 07/02/1985 | US4527215 Valve type voltage arrester device |
| 07/02/1985 | CA1189900A1 Gas discharge surge voltage arrester and production method |
| 06/18/1985 | CA1189137A1 Gas-discharge overvoltage arrester with concentrically surrounding socket |
| 05/15/1985 | EP0141239A1 Zinc Oxide lightning protector |
| 04/24/1985 | EP0138082A1 Gas-discharge arrester and fabrication method |
| 04/16/1985 | US4511957 Power converter |
| 04/03/1985 | EP0135572A1 Device for protecting overhead electroconducting lines against lightning. |
| 04/02/1985 | US4509090 Coaxial lightning arresting structure |
| 03/26/1985 | US4507701 Lighting arrester with leakage current detection |
| 03/12/1985 | US4504883 Arrester holder apparatus for distributor of communication apparatus |
| 03/12/1985 | US4504766 Chip type discharge element with laminated insulating sheets |
| 03/12/1985 | CA1183802A1 Process for improving electrode coatings |
| 02/26/1985 | US4502089 Lightning arrester |
| 02/26/1985 | US4502088 Line protector for a communications circuit |
| 02/26/1985 | US4502087 Surge voltage arrester assembly |
| 01/09/1985 | EP0130403A1 Arrester holder to be inserted into connector rails per tele-communication |
| 01/08/1985 | US4493004 Surge arrester with a gas-filled housing |
| 01/08/1985 | US4493003 Surge arrester assembly |
| 01/01/1985 | US4491893 Gas filled surge arrester |
| 12/04/1984 | US4486805 Lightning arrester with improved spark gap structure |
| 11/07/1984 | EP0123905A2 Over-voltage protection device for addition to a distributor |
| 11/06/1984 | CA1177529A1 Gas-discharge overvoltage arrestor |
| 10/09/1984 | US4476513 Surge arrester |
| 09/13/1984 | WO1984003594A1 Device for protecting overhead electroconducting lines against lightning |
| 08/21/1984 | US4467390 Lightning protector and filter |
| 08/21/1984 | US4467387 Combination strut insulator and lightning arrester |
| 08/14/1984 | US4466043 Gas discharge surge voltage arrester and production method |
| 08/14/1984 | CA1172688A1 Gas tube overvoltage protector with back-up gap |
| 07/31/1984 | US4463404 Surge voltage arrester with shielding bodies enclosing a column of arrester elements |
| 07/31/1984 | US4463403 Plug type gas tube replacement module |
| 07/03/1984 | US4458288 Electrical protective devices |
| 06/26/1984 | US4456942 Gapless elbow arrester |
| 05/15/1984 | US4449156 Telephone central office gas tube replacement protector |
| 05/15/1984 | CA1167514A1 Rc composite component with spark gap |
| 05/09/1984 | EP0107762A1 Failsafe overvoltage protector |
| 05/08/1984 | US4447848 Telephone surge protector and housings therefor |
| 04/17/1984 | US4443830 CR Composite part provided with discharge gap |
| 03/27/1984 | US4439807 Secondary arrester |
| 03/21/1984 | EP0103454A1 Lightning arrester insulator |
| 03/20/1984 | US4438365 Spark gap for line transient protection |
| 02/28/1984 | US4434449 Protector unit for telecommunications circuits |
| 02/21/1984 | US4433354 Gas-discharge surge arrester |
| 02/14/1984 | CA1162232A1 Surge arresters |
| 02/14/1984 | CA1162231A1 Overvoltage protector for telephone lines |
| 02/01/1984 | EP0099522A2 Spark gap with a gas-filled housing |
| 01/25/1984 | EP0099093A2 Overvoltage limiter |
| 01/24/1984 | CA1161106A1 Arrester |
| 01/18/1984 | EP0098598A1 Lightning arrester with leakage current detection |
| 01/03/1984 | US4424547 Surge suppressor construction |
| 01/03/1984 | US4424546 Miniature central office surge protectors |
| 01/03/1984 | CA1159897A1 Overvoltage arrester device |
| 12/20/1983 | US4422122 Surge absorber |
| 12/20/1983 | US4422121 Line protector for a communications circuit |
| 12/13/1983 | US4420792 Plug-in connector with arresters for separating blocks |
| 12/07/1983 | EP0095539A1 Line protector for a communications circuit |
| 12/06/1983 | US4419711 Method and apparatus for the protection of electrical equipment from high voltage transients |
| 11/29/1983 | CA1157908A1 Valve type voltage arrester device |
| 11/23/1983 | EP0094508A1 Surge voltage arrester |
| 11/02/1983 | EP0092737A1 Lightning arrester |
| 10/25/1983 | CA1155910A1 Flexible connector for high voltage arrester |
| 10/18/1983 | US4410831 Overvoltage protecting element |
| 10/04/1983 | US4408249 Totally enclosed surge arrester |
| 10/04/1983 | US4407849 Process for improving electrode coatings |
| 09/20/1983 | US4405967 Gas tube overvoltage protector with back-up gap |
| 09/13/1983 | US4404614 Surge arrester having a non-fragmenting outer housing |
| 09/07/1983 | EP0087820A1 Surge arrester with a gas-filled housing |
| 08/23/1983 | US4400754 Spark arrestor |
| 08/02/1983 | US4396970 Overvoltage surge arrester with predetermined creepage path |
| 07/12/1983 | US4393433 Overvoltage protector for telephone lines |
| 06/21/1983 | US4389693 Lightning arrester |
| 06/21/1983 | CA1148605A1 Communications circuit line protector and method of making the same |
| 06/14/1983 | US4388665 Apparatus for reducing electrical fault voltages in electrical conductors |
| 04/12/1983 | US4380038 Overvoltage protective module |
| 04/12/1983 | CA1144594A1 High voltage transformer bushing fuse and arrester arrangement |
| 04/06/1983 | EP0075884A1 High tension shielding electrode |
| 04/05/1983 | CA1144228A1 Protective cable head for a telephone exchange distributor |
| 03/01/1983 | CA1142218A1 Line protector for a communications circuit |
| 01/18/1983 | US4369480 Overvoltage arrester including a column of arrester elements and shielding therefor |
| 01/18/1983 | CA1139830A1 Protector module base assembly with an external spark gap |
| 01/04/1983 | US4367431 Multistage spark gap with delay cables |
| 01/04/1983 | CA1138981A1 Two - section protection module for connecting blocks |
| 01/04/1983 | CA1138925A1 Surge arrester assemblies |
| 12/21/1982 | US4365282 Overvoltage protector using varistor initiated arc |
| 12/14/1982 | CA1137543A1 Line protector for a communication circuit |
| 12/14/1982 | CA1137541A1 Surge voltage arrestor with ventsafe feature |
| 12/08/1982 | EP0065951A1 Improvements in surge arresters |
| 12/07/1982 | US4363069 Overvoltage arrester with arrester elements in a frame comprising columns |
| 12/07/1982 | US4362962 Electrical terminal connection for the electrodes of a gas discharge over-voltage arrester |
| 12/07/1982 | CA1137159A1 Cap seal for resilient electrical housing |
| 11/17/1982 | EP0064528A1 Protection device against discharge overvoltages in a gas with concentric enclosing sleeve |
| 10/20/1982 | EP0062782A1 Gas-discharge overvoltage arrester |
| 10/13/1982 | EP0062090A1 Slidable connector with arresters for separation modules |
| 10/06/1982 | EP0061990A1 Surge arrester comprising shielding means surrounding a column of arrester means |
| 09/28/1982 | US4352139 Flexible connector for H.V. arrester |
| 09/22/1982 | EP0060530A1 Electrical circuit protector |
| 09/21/1982 | US4351015 Shorting cage for protector wells |
| 09/14/1982 | US4349235 Cathode-ray tube socket substrate |
| 09/14/1982 | CA1131697A1 Over voltage protection device |
| 08/24/1982 | CA1130370A1 Enclosed-type zinc-oxide surge arrester |