| Patents for H01T 1 - Details of spark gaps (2,199) |
|---|
| 10/14/1980 | US4228478 Overvoltage arrester |
| 10/01/1980 | EP0016242A1 Gas discharge surge voltage diverter with fail-safe behaviour |
| 09/16/1980 | US4223366 Gapless surge arrester |
| 09/09/1980 | CA1085450A1 Voltage surge protector |
| 08/20/1980 | EP0014543A1 Surge voltage arrester with ventsafe feature |
| 08/19/1980 | US4218721 Heat transfer system for voltage surge arresters |
| 07/29/1980 | US4215381 Protector module for telephone circuits |
| 07/23/1980 | EP0013401A1 Lightning arrester device for power transmission line |
| 07/08/1980 | US4212047 Fail-safe/surge arrester systems |
| 07/08/1980 | CA1081314A1 Valve type surge arrester |
| 07/08/1980 | CA1081307A1 Electric device provided with a switch which is designed as a discharge tube |
| 06/17/1980 | US4208694 Line protector |
| 05/20/1980 | US4204238 Surge voltage lightning arresters |
| 04/16/1980 | EP0009504A1 Clip-on protector |
| 03/04/1980 | US4191987 Clip-on protector |
| 03/04/1980 | US4191908 Current limiting spark gap for achieving arc elongation, division and compression without the use of supplementary magnetic means |
| 02/12/1980 | US4188561 Station protector spark gap applique |
| 02/05/1980 | US4187526 Gas-Discharge surge arrester with concentric electrodes |
| 12/25/1979 | CA1068775A Electrical overvoltage surge arrester with a long time constant valve section and series gap section |
| 12/11/1979 | CA1067953A1 Line protector for communication circuit |
| 11/20/1979 | US4175277 Voltage surge protector |
| 11/13/1979 | US4174530 Voltage surge arrester device |
| 10/03/1979 | EP0004351A1 Lightning arrester device |
| 10/03/1979 | EP0004349A1 A process for manufacturing a surge arrester |
| 10/03/1979 | EP0004348A1 Lightning arrester device for power transmission line |
| 09/18/1979 | US4168515 Line protector for a communications circuit |
| 09/06/1979 | WO1979000660A1 Clip-on protector |
| 08/21/1979 | CA1060947A1 Discharge gap device |
| 08/14/1979 | US4164774 Electrode for telephone protector modules |
| 07/31/1979 | US4163272 Arrangement for arc-quenching in arresters |
| 07/17/1979 | US4161763 Zinc oxide varistors |
| 07/17/1979 | US4161762 Gas tube arrester protector and method of assembling the protector |
| 06/26/1979 | US4159500 Modular line protector |
| 06/19/1979 | US4158869 Line protector |
| 06/19/1979 | CA1056902A1 Surge arrester |
| 05/15/1979 | US4154558 Impulse pump using spark discharge to actuate fluid link |
| 04/17/1979 | US4150414 Air gap short circuiting device for gas tube arrester |
| 01/02/1979 | US4133019 Air gap back-up surge arrester |
| 01/02/1979 | US4132915 Spark gap protector |
| 01/02/1979 | US4132814 Anti-dusting process for carbon resistors |
| 12/12/1978 | US4129894 Laminated current surge protector |
| 12/05/1978 | US4128855 Surge arrester |
| 10/31/1978 | US4123683 Elongated crossed-field switch device |
| 10/31/1978 | US4123682 Cold cathode gas-discharge tube |
| 10/31/1978 | CA1041599A1 Surge absorber |
| 10/03/1978 | CA1039808A1 High energy gas discharge switching device |
| 08/15/1978 | CA1036658A1 Low voltage surge protection network |
| 08/01/1978 | US4104693 Gas filled surge arrester |
| 07/25/1978 | US4102573 Electrode for a spectro-analytical arrangement |
| 07/11/1978 | US4100588 Electrical overvoltage surge arrester with varistor heat transfer and sinking means |
| 05/23/1978 | US4091436 Knob type surge voltage arrester |
| 05/23/1978 | US4091435 Telephone protector module having heat coil fired flag indicator |
| 05/23/1978 | US4090448 Ferroelectric pulsed power source |
| 05/09/1978 | US4088929 Electric circuit interrupting devices |
| 04/25/1978 | US4086648 Protector module |
| 04/18/1978 | US4085397 Electrical switching device for thermal and overvoltage protection |
| 04/11/1978 | US4084208 Gas-filled surge arrestors |
| 02/14/1978 | US4074337 Protector for telecommunication lines |
| 02/07/1978 | US4072996 Method and arrangement for arc quenching in arresters |
| 01/17/1978 | US4069509 Three element gas tube protector module |
| 12/20/1977 | US4063339 Methods of assembling and mounting three-electrode gas tube arrester |
| 12/13/1977 | US4063127 Overload protection tube |
| 12/06/1977 | US4062054 Multi-function fail-safe arrangements for overvoltage gas tubes |
| 11/15/1977 | US4058848 Cut-off chamber of a lightning protector |
| 11/01/1977 | US4056840 Line protector for communications circuit |
| 11/01/1977 | US4056753 Overvoltage protecting element |
| 10/04/1977 | US4052639 Spark gap for achieving arc elongation and compression without the use of supplementary magnetic means |
| 09/27/1977 | US4051546 Gas tube arrester protector |
| 09/06/1977 | USRE29391 Surge protector assembly |
| 08/09/1977 | US4040426 Electrosurgical method and apparatus for initiating an electrical discharge in an inert gas flow |
| 07/19/1977 | US4037266 Voltage surge protector |
| 07/05/1977 | US4034326 Temperature sensitive trip device |
| 05/10/1977 | US4023076 Discharge gap device |
| 04/26/1977 | US4020398 Voltage surge protector |
| 03/29/1977 | US4015228 Surge absorber |
| 03/29/1977 | US4015172 Two path voltage arrester |
| 03/08/1977 | US4011485 Valve type surge arrester |
| 02/22/1977 | US4009422 Lightning arrester construction |
| 02/22/1977 | US4009421 Station protector with a three-electrode gas tube arrester |
| 01/18/1977 | US4004263 Protector module for telephone systems |
| 01/18/1977 | US4004192 Protector module for telephone systems |
| 01/11/1977 | US4002952 Electric overvoltage arrester with carbon air gap and gas tube |
| 01/11/1977 | US4002947 Arcing stacked plate nonlinear resistor for voltage limiter applications such as series capacitor protection |
| 01/04/1977 | US4001651 Station lightning arrester with dual rupture diaphragms for gas pressure release |
| 11/23/1976 | US3993933 Electric overvoltage gas arrester with metallic shorting mechanism |
| 11/09/1976 | US3990389 Coating apparatus |
| 11/02/1976 | US3989985 Surge voltage arrester |
| 11/02/1976 | US3989973 Cold-cathode gas-discharge device |
| 09/28/1976 | US3983438 Spark gap switch |
| 09/07/1976 | US3979646 Surge voltage arrester |
| 08/17/1976 | US3975664 Line protector for communication circuit |
| 07/06/1976 | US3968393 Spark gap device for a lightning arrestor |
| 06/29/1976 | US3967160 Electrical overvoltage surge arrester with a long time constant valve section and series gap section |
| 05/25/1976 | US3959696 Over voltage arrester |
| 05/18/1976 | US3958154 Duplex surge arrestors |
| 03/30/1976 | US3947730 Telephone line surge protecting device |
| 03/30/1976 | US3947649 Method and apparatus for arc quenching |
| 02/17/1976 | US3939379 High energy gas discharge switching device |
| 02/03/1976 | US3936703 Gas-insulated electric power apparatus including a surge arrester with hot gas relief means |