| Patents for H01T 4 - Overvoltage arresters using spark gaps (2,976) |
|---|
| 11/20/1979 | US4175277 Voltage surge protector |
| 09/18/1979 | CA1062769A1 Field protector for synchronous machines |
| 08/21/1979 | CA1060948A1 Surge arrester of the multi-gap type |
| 08/21/1979 | CA1060947A1 Discharge gap device |
| 07/10/1979 | US4161012 High voltage protection apparatus |
| 06/26/1979 | US4159500 Modular line protector |
| 06/19/1979 | US4158872 Surge diverter |
| 06/19/1979 | US4158869 Line protector |
| 06/19/1979 | US4158254 Method of making a spark gap device for a cathode ray tube socket |
| 06/19/1979 | CA1056902A1 Surge arrester |
| 05/29/1979 | US4156886 Gas tube surge arrester |
| 05/22/1979 | US4156161 Tube socket with dual spark gap protection |
| 05/01/1979 | US4152576 Low voltage welding circuit with non-conductive ground connector |
| 04/10/1979 | US4149211 Line surge protection device for telephone system |
| 03/20/1979 | US4145729 Surge protector assembly |
| 02/27/1979 | US4142220 Multi arc gap surge arrester |
| 01/23/1979 | US4136299 Lightning arrester device |
| 01/09/1979 | US4134146 Surge arrester gap assembly |
| 01/02/1979 | US4132915 Spark gap protector |
| 12/05/1978 | US4128855 Surge arrester |
| 10/10/1978 | US4119878 Spark gap device for a cathode ray tube socket |
| 10/03/1978 | US4118682 Device to house a surge diverter |
| 09/26/1978 | US4117528 Gas-insulated transmission lines with dc voltage limiting means |
| 09/26/1978 | CA1039347A1 Surge protector |
| 08/15/1978 | US4107567 Surge protector |
| 06/13/1978 | US4095262 Lightning protection circuit |
| 05/23/1978 | US4091435 Telephone protector module having heat coil fired flag indicator |
| 04/25/1978 | US4086648 Protector module |
| 02/21/1978 | US4075676 Interrupter |
| 02/14/1978 | US4074338 Multi-element surge arrester |
| 02/14/1978 | US4074337 Protector for telecommunication lines |
| 02/07/1978 | US4072998 Over-voltage protection device |
| 01/31/1978 | US4071876 Pluggable protector holder for surge arrestor gas tubes |
| 01/31/1978 | US4071872 Interrupter |
| 01/17/1978 | US4069509 Three element gas tube protector module |
| 12/27/1977 | US4065692 Spark gap assembly for voltage surge arresters |
| 12/20/1977 | US4063339 Methods of assembling and mounting three-electrode gas tube arrester |
| 12/13/1977 | US4063298 Insulated lightning arrester support with remote grounding control |
| 12/06/1977 | US4062053 Protector module |
| 10/04/1977 | US4052639 Spark gap for achieving arc elongation and compression without the use of supplementary magnetic means |
| 09/06/1977 | USRE29391 Surge protector assembly |
| 08/09/1977 | US4041545 Lightning conductor in a metallic casing |
| 08/09/1977 | US4041543 Field protector for synchronous machines |
| 08/09/1977 | US4041357 High voltage protection circuit |
| 07/12/1977 | US4035693 Surge voltage arrester with spark gaps and voltage-dependent resistors |
| 06/21/1977 | US4031347 Protective gas cap for electric power apparatuses |
| 06/14/1977 | US4029997 Surge voltage arrester arrangement |
| 05/10/1977 | US4023076 Discharge gap device |
| 04/26/1977 | US4020398 Voltage surge protector |
| 03/22/1977 | US4013927 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 | US4004192 Protector module for telephone systems |
| 01/11/1977 | US4002952 Electric overvoltage arrester with carbon air gap and gas tube |
| 01/04/1977 | US4001547 Electric heating elements |
| 11/23/1976 | US3993933 Electric overvoltage gas arrester with metallic shorting mechanism |
| 11/23/1976 | US3993110 Method of diffusing gas into a sealed vessel and a device for carrying out the method |
| 11/16/1976 | US3992652 Bulk electrical surge arrester |
| 11/09/1976 | US3990389 Coating apparatus |
| 11/02/1976 | US3989985 Surge voltage arrester |
| 10/19/1976 | US3987343 Surge protector |
| 09/07/1976 | US3979646 Surge voltage arrester |
| 08/17/1976 | US3975664 Line protector for communication circuit |
| 08/03/1976 | US3973172 Surge arrester of the multi-gap type |
| 07/06/1976 | US3968411 Transmitter-receiver protection device |
| 06/22/1976 | US3965393 Television X-radiation protection device and circuit |
| 06/15/1976 | US3963965 Surge arrester construction |
| 06/01/1976 | US3961229 Two pair station protector |
| 06/01/1976 | US3961226 Multi-terminal arrestor holder and connector module |
| 06/01/1976 | US3961225 Surge absorber |
| 05/25/1976 | US3958854 Spark gap apparatus |
| 05/11/1976 | US3956657 Pre-ignition gap |
| 03/30/1976 | US3947729 Surge protector terminal assembly |
| 03/16/1976 | US3944886 Protection apparatus for a capacitor connected in series with an electric power circuit |
| 02/03/1976 | US3936785 Gas tube arrester subassembly |
| 02/03/1976 | US3936133 Connector block for telephone equipment |