Patents
Sitemap › H01 - Basic electric elements › H01T - Spark gaps; Overvoltage arresters using spark gaps; Sparking plugs; Corona devices; Generating ions to be introduced into non-enclosed gases › H01T 1 - Details of spark gaps
Patents for H01T 1 - Details of spark gaps (2,199)
01/1999
01/28/1999DE19731312A1 Überspannungsableiter mit äußerer Kurzschlußeinrichtung Surge arresters with external short-circuit device
01/27/1999EP0893863A1 Gas discharge tube with a metal oxide varistor housing
01/26/1999US5863215 Telecommunications terminal block
01/19/1999CA2083414C Overvoltage protector unit for well constructions
12/1998
12/30/1998CN1041467C Discharger structure for preventing overload
12/16/1998CN1041260C Air spark gap for determining the maximum voltage at a voltage surge suppressor
12/09/1998CN1201285A Over-voltage protection plug having fail safe device
12/08/1998US5847916 In a telecommunications system
12/02/1998EP0881734A1 Overvoltage-protector with fail-safe
12/02/1998EP0646276B1 Electrical surge arrester
11/1998
11/18/1998CN2297779Y Excess voltage protector
11/03/1998CA2064942C Gas filled discharge tube having a gas filling bore formed and closed by a laser beam
10/1998
10/14/1998CN1195873A 保护插头 Protection plugs
10/07/1998EP0869529A2 Discharge tube
10/06/1998CA2012253C Fail-safe surge arrester
09/1998
09/30/1998EP0867896A1 Protection device for a low-voltage electric circuit, module for such a protection device and circuit for this module
09/30/1998CN1194443A Lightning arrestor with thermoplastic envelope having embossed outside surface
09/22/1998CA2048722C Protective circuit and protective plug for telecommunication installations
09/16/1998EP0711464B1 Arc containing device
09/08/1998US5805070 Device for indicating a destroyed arrester
09/03/1998DE19708651A1 Gasgefüllter Überspannungsableiter mit äußerer Kurzschlußeinrichtung Gas-filled surge arrester with external short-circuit device
09/02/1998EP0862197A1 Safety plug
08/1998
08/27/1998WO1998037605A1 Gas-filled surge protector with external short-circuiting device
08/26/1998EP0860918A1 Overvoltage arrester device
08/26/1998CN1039612C Gas-filled overvoltage diverter
08/18/1998CA2121642C Gas-discharge overvoltage arrester
08/06/1998WO1998034308A1 Gas-filled surge arrester with two cup-like electrodes
08/06/1998DE19705097A1 Lighting-or surge-arrester with external short-circuit device
08/04/1998US5790359 Electrical surge protector with thermal disconnect
07/1998
07/22/1998EP0700589B1 Gas-filled overvoltage diverter
07/22/1998CN1039268C 涡流高压磁耦合开关 Eddy magnetic coupling high pressure switch
07/01/1998EP0851549A1 Surge arrester having a housing made from thermoplastic material with an external wafer form surface
06/1998
06/24/1998CN1185672A Over-voltage protector
06/17/1998EP0848467A1 Overvoltage surge arrester
06/10/1998EP0847118A1 Surge arrester
06/03/1998EP0845843A1 Protection device for telephone lines
05/1998
05/20/1998CN2282285Y Discharging gap
05/19/1998CA2079133C Fault gas seal for a polymer surge arrester
05/12/1998US5751533 Cup and diode assembly for overvoltage protectors and communications lines
05/07/1998DE19632417C1 Hydrogen-containing gas-filled surge diverter
03/1998
03/26/1998WO1998012780A1 Electrical apparatus, particularly a surge arrester and a display system for the state of the apparatus in a central evaluation device
03/19/1998DE19637984A1 Elektrischer Apparat, insbesondere Überspannungsableiter und System zur Anzeige des Zustands dieses Apparats in einer zentralen Auswertevorrichtung Electrical apparatus, in particular surge arresters and system for indicating the status of this apparatus in a central evaluation
03/11/1998CN1037731C Protective circuit and protective plug for telecommunication installations
02/1998
02/26/1998WO1998008281A1 Surge diverter display apparatus
02/24/1998US5721663 Overvoltage protection modules with back-up protection for communication lines
02/18/1998CN1037472C Lightening arestor insulator and method of producing same
02/12/1998WO1998006111A1 Surge diverter
02/11/1998CN1173025A Insulator clad type arrester
01/1998
01/13/1998US5708555 Surge arrester having controlled multiple current paths
12/1997
12/24/1997CN1036804C Lightning arrester leakance detecting and action recorder
12/23/1997US5701057 Method of obtaining electric discharge and device for effecting same
12/16/1997US5699220 Overvoltage automatic prevention apparatus having an individual fault display and permanent ground functions
12/02/1997US5694285 Overcurrent automatic prevention apparatus having an individual fault display and permanent ground functions
12/02/1997US5694284 Discharge type surge absorbing element and method for making the same
11/1997
11/26/1997EP0809336A1 Gas-filled surge arrester with external shorting device
11/19/1997EP0808004A1 Method for extinguishing electrical arc of follow-up current in a spark gap, as well as spark gap device using this method
11/04/1997US5684667 Full failure protector module
10/1997
10/30/1997DE19615521A1 Spark path for lightning and overvoltage protection
10/23/1997DE19615643A1 Arrangement for protecting voltage-limited electronic modules against over-heating and over-voltage
10/15/1997CN1036164C 保护插塞 Protection plugs
09/1997
09/23/1997US5671114 Gas-filled overvoltage diverter
09/23/1997CA2080333C Surge absorber
09/17/1997EP0795218A1 Ignition apparatus and method
09/04/1997WO1997032382A1 Self-compressive surge arrester module and method of making same
09/04/1997WO1997032319A1 Self-compressive surge arrester module and method of making same
09/03/1997EP0793318A1 Overvoltage arrester device
09/03/1997EP0793317A1 Overvoltage arrester device
08/1997
08/27/1997CN2261101Y Lightning-arrester action recording device
08/26/1997CA2008172C Compound lightning arrester for low voltage circuits
08/13/1997EP0789434A1 Method for influencing the extinctive capacity of follow-up current of overvoltage arresters and overvoltage arresters using this method
07/1997
07/30/1997EP0786844A2 Surge arrester device
07/22/1997US5650772 Device for indicating a faulty condition of an electrical apparatus, in particular of a surge arrester
07/17/1997WO1997025760A1 Gas-filled discharge space
07/17/1997DE19701816A1 Additives to electrode activating masses
07/09/1997EP0783195A1 Arching protection device for coated overhead cables
07/09/1997EP0689727B1 Surge arrester with short-circuit device
07/08/1997US5646812 Telephone line surge protector module with fast-acting, high resistance heat coil assembly
07/01/1997US5644465 Surge arrester with external short-circuit device
06/1997
06/05/1997DE19647748A1 Gas-filled overvoltage diverter/arrester for lightning protection of communications networks
05/1997
05/30/1997CA2191409A1 Gas-filled surge voltage protector
05/28/1997DE19545505C1 Surge arrester for low-voltage, high power fuse
05/27/1997US5633777 Gas-filled, three-electrode overvoltage surge arrester for large switching capacities
05/21/1997EP0774811A1 Overvoltage protection element
05/07/1997CN1149354A Telecommunications gas tube apparatus and composition for use therewith
04/1997
04/23/1997EP0769832A1 Discharge tube with coated discharge surface
04/15/1997CA2066648C Surge protector for telecommunications equipment
04/01/1997CA2016590C Sealed winding based envelope, and composite lightning arrestor using same
03/1997
03/26/1997EP0720539B1 Process and arrangement for detecting and reporting the electrical condition of voltage flashover fuses
03/20/1997WO1997010631A1 Improvements relating to electrical power distribution
03/19/1997EP0763252A1 Telecommunications gas tube apparatus and composition for use therewith
03/05/1997CN1144411A Overvoltage absorber
02/1997
02/19/1997EP0674816B1 Overvoltage protecting device
02/18/1997US5604400 Overvoltage protection element
02/11/1997US5602710 Surge arrester
01/1997
01/29/1997EP0755582A1 A device for indicating a destroyed arrester
01/14/1997US5594614 Surge arrester
01/14/1997US5594613 Surge arrester having controlled multiple current paths
01/08/1997CN2244780Y Full-closed discharger
12/1996
12/24/1996US5587868 High voltage sphere-gap discharge switch, high voltage pulse generation circuit and high voltage discharge switching method
12/19/1996DE19543022C1 Overvoltage protection element e.g. for lightning strike
1 ... 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22