| Patents for H01T 1 - Details of spark gaps (2,199) |
|---|
| 08/28/1993 | CA2107679A1 Sealing electrode and surge absorber using such electrodes |
| 08/17/1993 | US5237482 High voltage surge arrester with failed surge arrester signaling device |
| 07/29/1993 | DE4141682A1 Overvoltage protection device e.g. for electronic measurement and control circuits - has circular or elliptical electrode eccentrically located inside another with plastic web in spark-gap |
| 07/29/1993 | DE4141681A1 Overvoltage protection device e.g. for telecommunication equipment - has plastic web projecting into spark-gap between two vertical electrodes which releases electronegative gas when arc strikes |
| 07/20/1993 | CA2020586C Discharge device and ignition system with series gap using discharge device |
| 07/13/1993 | US5227944 Breaker for surge protector |
| 07/07/1993 | EP0328771B1 Arrester disconnecting device |
| 07/07/1993 | CN1021529C Manufacture method of ni-cu electrode for spark plug |
| 06/30/1993 | EP0548587A1 Overvoltage protection device |
| 06/23/1993 | EP0547586A2 Discharge tube |
| 06/19/1993 | CA2085571A1 Discharge tube |
| 06/10/1993 | WO1993011591A1 Method and device for obtaining an electric discharge |
| 06/09/1993 | EP0545038A1 Surge arrester |
| 05/11/1993 | US5210677 Solid state station protectors |
| 04/13/1993 | US5202910 Anode for arc discharge devices |
| 04/13/1993 | US5201302 Voltage regulator tube for ignition system of internal combustion engine |
| 04/13/1993 | CA1315963C Process for making a lightning arrester and lightning arrester produced therefrom |
| 04/08/1993 | DE4232208A1 Voltage peak counter for current supply or communications channel - has absorbers with different response voltages with discharge tubes and nonlinear resistances and signal counters at light receivers |
| 03/30/1993 | US5198791 Surge absorber |
| 03/28/1993 | CA2079116A1 Surge counter |
| 03/28/1993 | CA2079115A1 Surge counter |
| 03/23/1993 | CA1314949C Lightning arrester equipped with mobile varistor supporting rods |
| 03/17/1993 | CN1070066A Circuit arrangement |
| 03/16/1993 | US5195015 Line protector for a communications circuit |
| 03/02/1993 | US5191503 Lightning surge protector |
| 03/01/1993 | WO1993005558A1 Circuit arrangement |
| 03/01/1993 | CA2116528A1 Circuit arrangement |
| 02/16/1993 | US5187634 Fail-safe protector |
| 02/09/1993 | US5185556 Voltage control; mixture of argon and nitrogen |
| 01/21/1993 | WO1993001641A1 High voltage surge arrester with failed surge arrester signaling device |
| 01/19/1993 | CA1312913C Gas discharge over-voltage arrestor having a line of ignition |
| 01/13/1993 | EP0318339B1 Spark-gap arrester with at least one fusible element |
| 01/07/1993 | EP0521805A1 Defect indicator for arrester |
| 01/07/1993 | EP0521013A1 Electrical protection apparatus. |
| 12/30/1992 | CN1067526A Thermal overload protection device for electronic components |
| 12/16/1992 | EP0518386A2 Lightning arrester insulator and method of making the same |
| 12/15/1992 | US5172296 Solid state overvoltage protector assembly |
| 12/15/1992 | US5172295 Voltage limiter arrangement with receiving member for connection to a surge arrester magazine |
| 12/15/1992 | CA2049841A1 Solid state overvoltage protector assembly |
| 12/09/1992 | EP0516922A2 Thermic overload protection device for electronic components |
| 12/08/1992 | CA1311262C Device for indicating the short-circuiting of a lightning arrester |
| 12/06/1992 | CA2063771A1 Thermal overload protection device for electronic components |
| 12/01/1992 | CA1310811C Lightning arrester and method of manufacturing same |
| 11/25/1992 | CN2123134U Gapless disconnector for arresters |
| 11/24/1992 | US5166855 Surge protector with thermal failsafe |
| 10/14/1992 | EP0508647A2 Arrestor unit |
| 10/13/1992 | US5155649 Surge protector for telecommunications equipment |
| 10/07/1992 | EP0507330A2 A gas-filled discharge tube |
| 09/17/1992 | WO1992016039A1 Heavily alloyed refractory alloy electrode and pressure wave generating device using said electrode |
| 09/08/1992 | US5145516 Composition for coating electrodes of a surge arrester |
| 09/02/1992 | EP0501802A1 Surge protector with thermal failsafe |
| 08/25/1992 | US5142194 Spark gap component of particular spacing mounted within a shield |
| 07/22/1992 | EP0495102A1 Surge-absorbing element for protection against overvoltage and overcurrent |
| 07/22/1992 | EP0494901A1 Surge protector for telecommunications equipment |
| 07/21/1992 | CA1305513C Lightning arrester and fabrication process thereof |
| 07/01/1992 | EP0493134A1 Lightning arresting insulator |
| 06/03/1992 | EP0307473B1 Discharge device for magnetopulse processing and welding of metals |
| 05/12/1992 | US5113306 Non-fragmenting arrester with staged pressure relief mechanism |
| 05/12/1992 | US5113167 Lightning arrester isolator |
| 05/05/1992 | US5111109 Discharge tube for series gap use in ignition apparatus |
| 04/29/1992 | EP0482542A1 Overvoltage arrester |
| 04/29/1992 | CN1016478B Gas lightning arrester contg. mineral addition agent |
| 04/26/1992 | CA2054121A1 Surge voltage protector |
| 04/14/1992 | CA1298869C Arrestor pressure relief valve with current carrying preweakened beam spring |
| 04/01/1992 | CN1016121B Vacuum electric-discharge device |
| 03/04/1992 | EP0473228A2 Improved anode for arc discharge devices |
| 02/26/1992 | CN1059051A Protective circuit and protective plug fir telecommunication installations |
| 02/25/1992 | CA1296382C Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester |
| 02/19/1992 | EP0471167A1 Protective circuit and protective module for telecommunication devices |
| 02/19/1992 | EP0471006A1 Gas tube fail safe device for telephone protector modules. |
| 02/08/1992 | WO1992002978A1 Surge-absorbing element for protection against overvoltage and overcurrent |
| 02/08/1992 | CA2067202A1 Surge absorbing component to protect from overvoltage and overcurrent |
| 01/21/1992 | US5083114 Ground fault indicating device |
| 01/15/1992 | EP0466106A1 A discharge tube |
| 01/14/1992 | US5080083 Discharge device and ignition system with series gap using discharge device |
| 12/17/1991 | EP0471006A4 Gas tube fail safe device for telephone protector modules. |
| 12/17/1991 | CA1293294C Zinc oxide type lightning-conducting element |
| 12/10/1991 | US5072153 Discharge tube for ignition apparatus |
| 10/15/1991 | US5057810 Arrester isolator-disconnector |
| 10/03/1991 | CA2038720A1 Arrester |
| 10/02/1991 | CN2086012U High-voltage power supply with open circuit protector |
| 09/24/1991 | CA1289615C Power spark gap assembly for high current conduction with improved sparkover level control |
| 09/19/1991 | WO1991014304A1 Electrical protection apparatus |
| 09/17/1991 | US5050033 Back-up surge arresters |
| 09/17/1991 | US5050032 Sealed envelope based on a filamentary winding, and application to a composite lightning arrester |
| 09/17/1991 | US5049786 High energy ignitor power circuit |
| 09/11/1991 | CN1054508A Compound technology of ni-cu material manufacture of ni-cu electrode for spark plug |
| 09/10/1991 | US5047685 Electrode structure for lithotripter |
| 09/09/1991 | CA2035526A1 Surge voltage absorbing apparatus |
| 08/20/1991 | CA1287871C Gas discharge arrester |
| 08/14/1991 | EP0440905A2 Overvoltage arrester |
| 08/01/1991 | DE4003894C1 Mains distributing socket strip with overvoltage protector - is provided with manually switchable electroacoustic signal generating transducer for optical functional control |
| 07/30/1991 | US5036420 Surge absorber |
| 07/17/1991 | EP0436881A1 Surge voltage arrester |
| 07/11/1991 | DE4042237A1 Plug-in voltage overload conductor - is formed with varistor elements coupled together in housing |
| 07/02/1991 | US5029302 Fail safe gas tube |
| 06/25/1991 | US5027100 Gas tube fail safe device for telephone protector modules |
| 06/12/1991 | CN1012867B Thermal protection device for overvoltage suppressors mounted in overvoltage suppressor magazines of communication systems |
| 04/30/1991 | US5012383 Zinc oxide |
| 04/16/1991 | US5008772 Telephone circuit protector module having plural circuit grounding means |