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 4 - Overvoltage arresters using spark gaps
Patents for H01T 4 - Overvoltage arresters using spark gaps (2,976)
08/1997
08/20/1997EP0790758A1 Printed circuit board sparkgap
08/12/1997US5657196 Coaxial transmission line surge arrestor
07/1997
07/30/1997EP0786844A2 Surge arrester device
07/30/1997CN2258667Y Three-end air discharging arrester with grounding protection and self recovery
07/23/1997EP0785708A1 Electrostatic discharge protection device for electrical and electronic components
07/22/1997US5650772 Device for indicating a faulty condition of an electrical apparatus, in particular of a surge arrester
07/17/1997WO1997025843A1 Electrical component with foot-shaped connection wires
07/17/1997WO1997025842A1 Electrical component with foot-shaped connection wires
07/17/1997DE19701824A1 Cylindrical electrical component with lead wires acting as support feet
07/17/1997DE19701814A1 Cylindrical electrical component with lead wires providing support feet
07/09/1997EP0783195A1 Arching protection device for coated overhead cables
07/08/1997US5646812 Telephone line surge protector module with fast-acting, high resistance heat coil assembly
06/1997
06/18/1997CN2256597Y Socket with discharger
06/10/1997US5637957 Cathode-anode spacer comprising a projection of a length limited relative to its distance to the cathode
06/05/1997DE19647682A1 Reserve spark-gap for gas-filled lightning arrester
06/04/1997EP0777307A1 Pseudo-spark switch
05/1997
05/29/1997WO1997019456A1 An electric power transmission line with protection devices against lightning overvoltages
05/28/1997DE4312685C2 Stützisolator mit eingebautem Spannungsteiler und Überspannungsableiter Supporting insulator with built-in voltage divider and surge
05/27/1997US5633777 Gas-filled, three-electrode overvoltage surge arrester for large switching capacities
05/21/1997EP0774811A1 Overvoltage protection element
05/14/1997CN1149772A Lighting arrester
05/07/1997DE19643670A1 Over-voltage protection material curing at low temperature to avoid damage
05/07/1997CN1149354A Telecommunications gas tube apparatus and composition for use therewith
05/02/1997EP0771055A1 Lightning arrester
04/1997
04/30/1997CN2253522Y High-energy electricity release
04/30/1997CN1148749A Protective mould block with fault indication and protective connection device
04/27/1997CA2188606A1 Lightning arrester
04/23/1997EP0769832A1 Discharge tube with coated discharge surface
04/16/1997CN2252429Y 避雷器脱离器 Arrester disconnector
04/16/1997CN2252428Y Multiurpose high-frequency feeder lightning arrester
04/09/1997CN2251817Y Ceramic compound block
04/03/1997DE19641385A1 Gas-filled overvoltage diverter for communications network overvoltage protection
04/02/1997CN2251211Y Bipolar short-wave transmitter arrester
04/01/1997CA2056229C Microgap type surge absorber
04/01/1997CA2016590C Sealed winding based envelope, and composite lightning arrestor using same
03/1997
03/30/1997CA2186707A1 Gas-filled overvoltage charge eliminator
03/20/1997DE19536599A1 T-structure HV power circuit breaker for power distribution plant
03/19/1997EP0763252A1 Telecommunications gas tube apparatus and composition for use therewith
03/05/1997CN1144411A Overvoltage absorber
02/1997
02/26/1997EP0759218A1 Overvoltage protection of a transformer
02/20/1997DE19536521C1 Overvoltage protection arrangement for integration in electric appts.
02/18/1997US5604400 Overvoltage protection element
02/11/1997US5602710 Surge arrester
01/1997
01/29/1997EP0755582A1 A device for indicating a destroyed arrester
01/22/1997EP0755105A1 Protection module with fault signalisation and protection interconnect assembly
01/08/1997CN1139994A Coaxial transmission line surge arrestor
12/1996
12/19/1996DE19543022C1 Overvoltage protection element e.g. for lightning strike
12/04/1996EP0746071A1 Plug-in overvoltage protection device
11/1996
11/27/1996EP0744091A1 Coaxial transmission line surge arrestor
11/19/1996US5576922 Surge absorbing structure, surge absorbing element, connector and circuit device using these structure and element
11/19/1996CA2060641C Surge absorber
11/12/1996US5574615 Air spark gap for determining the maximum voltage at a voltage surge suppressor
11/12/1996US5574613 Lightning arrester having machinery built-in
11/07/1996WO1996035249A1 Discharge tube with coated discharge surface
11/07/1996CA2194212A1 Discharge tube with coating material applied on discharge surface
11/06/1996CN1135110A Arrester valve piece made of metallic oxide
11/06/1996CN1135109A Device for indicating faulty condition of electrical apparatus, in particular of surge arrester
10/1996
10/30/1996EP0740379A1 Arching protection device for coated medium-voltage cables
10/29/1996US5569972 Gas-filled lightning arrester having copper electrodes
10/23/1996CN2238496Y Solid-state discharge tube
10/15/1996US5566056 Coaxial transmission line surge arrestor
10/08/1996US5563471 Discharge tube
10/01/1996US5561581 Arrester and manufacturing method thereof
09/1996
09/25/1996EP0734041A1 Cathode-anode spacer comprising a projection of a length limited relative to its distance to the cathode
09/25/1996EP0460223B1 Board for surge absorbing device of communication line
09/25/1996CN2236163Y Over-voltage and over-current protector
09/24/1996US5559663 Surge absorber
09/18/1996CN2235663Y Device and elements for overvoltage arrester
09/05/1996DE19506057A1 Quenched spark gap
09/04/1996EP0729660A1 Open circuit protection device
09/03/1996US5552951 Semiconductor package electrostatic discharge damage protection
08/1996
08/29/1996DE19519785C1 Pluggable overvoltage protection device for telecommunications terminal board
08/28/1996EP0729209A1 Device for indicating a defective state of an electric apparatus, especially a surge arrester
08/28/1996EP0521013B1 Electrical apparatus
08/20/1996US5548468 Surge arrester using zinc oxide elements installed in parallel, and method of forming the surge arrester
08/14/1996CN1128909A Front edge induction current-limiting type point discharging arrester
08/06/1996CA2051564C Junction box with protection function to protect from overvoltage and overcurrent
07/1996
07/31/1996CN1127922A Metal oxide lightning arrester
07/30/1996US5541804 PTC protector for AT&T style 110 block
07/23/1996US5539607 Tank-shape arrester
07/11/1996EP0729660A4 Open circuit protection device
07/10/1996EP0721242A1 Surge absorber
07/10/1996CN1126370A Surge absorption tube
07/04/1996DE19522652C1 Overvoltage protection for HF coaxial power line
06/1996
06/19/1996CN1124878A Combined arrester
06/12/1996CN1124540A Gas-filled overvoltage diverter
06/04/1996US5523916 Surge arrester with thermal overload protection
05/1996
05/14/1996US5517382 Surge suppressor having looped clamping elements
05/08/1996EP0711012A1 Improved module for the connection and testing of telephone lines
04/1996
04/30/1996US5513075 Module for electrically connecting conductor wires to circuits of flat surfaces such as solar panels
04/25/1996DE4439730A1 Transient overvoltage protection device e.g. for telecomms. facilities
04/18/1996DE4444515A1 Gas-filled triple electrode over-voltage diverter for heavy currents
04/16/1996US5508877 Weatherproof telephone station protectors
04/16/1996US5508873 Primary surge protector for broadband coaxial system
04/14/1996CA2160521A1 Gas-filled, three-electrode surge arrester for high contact ratings
04/11/1996DE4435968A1 Transient overvoltage protection device e.g. for telecomms. facilities
04/10/1996EP0706245A2 Overvoltage protection element
04/09/1996US5506071 Sealing electrode and surge absorber using the same
04/02/1996US5504645 Arrangement with several surge arresters
03/1996
03/28/1996DE4433936A1 Disconnecting plug for protecting subscriber lines from excess voltage
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