| Patents for H01T 4 - Overvoltage arresters using spark gaps (2,976) |
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| 11/09/1999 | US5982602 Surge protector connector |
| 11/04/1999 | WO1999056361A1 Overvoltage protection magazine for a device used in telecommunications engineering |
| 11/03/1999 | EP0954073A1 Overvoltage arrester element |
| 11/03/1999 | CN1233870A Surge absorber without chips |
| 11/02/1999 | US5978199 EMP-charge-eliminator |
| 10/28/1999 | DE19818674A1 Überspannungsschutzelement An overvoltage protection element |
| 10/28/1999 | DE19818477A1 Overvoltage protection storage rack for setting up telecommunications equipment |
| 10/27/1999 | EP0952646A1 Surge absorber without chips |
| 10/21/1999 | DE19817063A1 Overvoltage protector with arc migration |
| 10/20/1999 | CN2344898Y Solid-state discharge tube |
| 10/19/1999 | US5969924 Spark gap for overcoated printed circuit boards |
| 10/13/1999 | CN1231534A Water-spraying type arrester |
| 10/05/1999 | US5963413 Spark gap |
| 09/30/1999 | WO1999049545A1 Gas-filled discharge gap |
| 09/30/1999 | WO1999049477A1 Surge diverter |
| 09/30/1999 | WO1999010897A9 Improvements relating to high voltage electric installations |
| 09/30/1999 | DE19814631A1 Gasgefüllte Entladungsstrecke Gas-filled discharge gap |
| 09/30/1999 | DE19813135A1 Überspannungsableiter Surge |
| 09/30/1999 | CA2324370A1 Surge arrester |
| 09/28/1999 | US5959823 Tank-type surge arrester |
| 09/14/1999 | US5953195 Coaxial protector |
| 09/08/1999 | CN2337697Y Organic compound isolate lightning device with space |
| 09/07/1999 | CA2182794C Coaxial transmission line surge arrestor |
| 09/07/1999 | CA2148285C An arrangement with a plurality of surge arresters |
| 09/02/1999 | DE19906856A1 Spark gap assembly for hermetically packaged integrated circuits |
| 09/02/1999 | DE19906840A1 Electrostatic discharge protection (ESD) for e.g. any silicon integrated circuit |
| 09/01/1999 | CN2336490Y Front induction lightning arrester |
| 09/01/1999 | CN1044952C Overvoltage protecting unit |
| 08/26/1999 | WO1999043061A1 Surge absorber |
| 08/26/1999 | WO1999043052A1 Wide-band electromagnetic-pulse conductor |
| 08/25/1999 | EP0938166A1 EMP-arrester |
| 08/24/1999 | US5942968 Overvoltage suppressor |
| 08/24/1999 | CA2045023C Overvoltage protector assembly |
| 08/24/1999 | CA2000766C Overvoltage arrester with air gap |
| 08/21/1999 | CA2261998A1 Spark gap for high voltage integrated circuit electrostatic discharge protection |
| 08/20/1999 | CA2262043A1 Spark gap for hermetically packaged integrated circuits |
| 08/12/1999 | DE19803420A1 Module of telecommunications equipment |
| 08/11/1999 | EP0755582B1 A device for indicating a destroyed arrester |
| 08/11/1999 | CN2333104Y Semiconductor discharge tube |
| 08/11/1999 | CN1044653C Surge absorber and producing means |
| 08/10/1999 | US5936826 Surge arrester |
| 08/10/1999 | US5936822 Gas tube assembly |
| 08/10/1999 | US5936821 Overvoltage protection plug with fail-safe device having optional visual fail-fail signal indicator |
| 08/03/1999 | US5933307 Printed circuit board sparkgap |
| 07/27/1999 | US5930102 Surge arrester having single surge arresting block |
| 07/27/1999 | US5928567 Solvent free liquid conductive material for printed circuit boards |
| 07/20/1999 | US5926356 End terminals for modular electrical assemblies with pressure relief |
| 07/14/1999 | CN2329086Y Glass seal gas discharge tube |
| 07/13/1999 | US5923519 Surge protection device |
| 07/13/1999 | US5923238 Overvoltage protective module |
| 07/13/1999 | CA2126149C Tank-shape arrester |
| 07/08/1999 | WO1999034374A1 Current and transient voltage protector |
| 07/06/1999 | CA2078271C Surge arrester assembly |
| 06/29/1999 | US5915757 Electrostatic protective device and method for fabricating same |
| 06/23/1999 | EP0923800A1 Overvoltage protection spark gaps and transformers |
| 06/17/1999 | WO1999010897A8 Improvements relating to high voltage electric installations |
| 06/16/1999 | CN1043711C Module for telephone line conductor pair having single protector unit |
| 06/16/1999 | CN1043697C Over-voltage protecting discharger |
| 06/15/1999 | US5912792 Mounting construction of a tank-type lightning arrester for a neutral point of a transformer |
| 06/10/1999 | WO1999014782A3 Gas-filled discharge path |
| 06/09/1999 | CN2323483Y Trianglar shock damper |
| 06/08/1999 | US5910877 Line protector for a communication circuit |
| 06/02/1999 | EP0920098A2 Overvoltage protection element |
| 06/02/1999 | CN1218320A Discharge gap device and its mounting structure |
| 06/01/1999 | US5909349 Gas tube surge protector with sneak current protection |
| 05/19/1999 | EP0917265A1 Spark gap device for protecting electric lines and/or electric apparatus against temporary overvoltages |
| 05/19/1999 | EP0917264A1 Discharge gap device |
| 05/19/1999 | EP0916176A1 Coaxial surge protector having thermal fail-safe shunt |
| 05/12/1999 | CN1216411A Lightning arrester assembly for overhead electricity line with device for flagging arrester malfunction |
| 04/28/1999 | EP0911934A1 Lightning conductor device for electrical overhead line with a malfunction indicator |
| 04/15/1999 | WO1999018642A1 Surge arrester having single surge arresting block |
| 04/15/1999 | CA2303942A1 Surge arrester having single surge arresting block |
| 04/14/1999 | CN2314451Y Lightning arresting pipe |
| 04/06/1999 | CA2148344C Surge protector connector |
| 03/31/1999 | EP0905927A2 Communication system comprising lightning protection |
| 03/31/1999 | EP0905840A1 Lightning-current withstand arrester |
| 03/25/1999 | WO1999014782A2 Gas-filled discharge path |
| 03/24/1999 | CN2311865Y Lightning arrester |
| 03/18/1999 | DE19741658A1 Gas-filled discharge gap e.g. spark gap or surge diverter |
| 03/09/1999 | US5880919 Gas tube surge protector with interacting varistors |
| 03/04/1999 | WO1999010897A1 Improvements relating to high voltage electric installations |
| 03/03/1999 | EP0899789A1 Overvoltage protection element |
| 03/03/1999 | CN2309647Y Multi-needle lightning net |
| 02/11/1999 | WO1999007053A1 End terminals for modular electrical assemblies with pressure relief |
| 01/27/1999 | EP0893863A1 Gas discharge tube with a metal oxide varistor housing |
| 01/26/1999 | US5864208 Spark gap device and method of manufacturing same |
| 01/19/1999 | CA2083414C Overvoltage protector unit for well constructions |
| 01/13/1999 | EP0890206A1 Safety subassembly for a distribution board in a telecommunications system |
| 01/13/1999 | EP0890205A1 Safety subassembly for a distribution board in a telecommunications system |
| 01/07/1999 | EP0671063B1 Surge protector connector |
| 01/06/1999 | CN1204129A Tank-type surge arrester |
| 01/05/1999 | CA2116836C Surge arrester |
| 12/23/1998 | EP0886361A2 Electrostatic discharge protection device |
| 12/23/1998 | CN1041370C Parallel and series protective module |
| 12/16/1998 | EP0883882A1 Polymeric weathershed surge arrester and methods |
| 12/16/1998 | CN1041260C Air spark gap for determining the maximum voltage at a voltage surge suppressor |
| 12/15/1998 | US5850125 Pseudospark switch having an insulator between electrodes |
| 12/10/1998 | WO1998056157A1 Residential protection service center |
| 12/10/1998 | WO1998056094A1 Coaxial surge protector having thermal fail-safe shunt |
| 12/09/1998 | CN1201285A Over-voltage protection plug having fail safe device |