Patents for H01T 1 - Details of spark gaps (2,199)
03/1989
03/29/1989EP0308553A1 Transient suppressor device assembly
03/28/1989US4816959 Containing zinc oxide
03/22/1989EP0307473A1 Discharge device for magnetopulse processing and welding of metals
03/14/1989US4811478 Self-supporting, zinc oxide core
03/02/1989DE3727545A1 Overvoltage suppressor for high current loads
03/01/1989EP0304690A1 Production process for a lightning arrester, and lightning arrester obtained by this process
01/1989
01/26/1989DE3723571A1 High-voltage spark gap
01/17/1989CA1249016A1 Overload protector for communications systems
01/10/1989US4797778 Gas discharge path
01/03/1989US4796283 Surge counter for an overvoltage arrester
01/03/1989US4796150 Telecommunication protector unit with pivotal surge protector
12/1988
12/28/1988EP0296912A1 Method and apparatus to improve the discharge regime of an electric arc between two electrodes by interposing a high resistive insulating element, shock-wave generator using such a method and apparatus, particularly for hydraulic lithotrypsie
12/20/1988US4792724 Perfluorohydrocarbons and inert gas buffers
11/1988
11/29/1988US4788622 Device for indicating the short-circuiting of a lightning arrester
11/23/1988EP0292430A1 Process and device for the overvoltage protection of an electrical conductor system
11/15/1988CA1244861A1 Electrical components incorporating a temperature responsive device
11/03/1988WO1988008634A1 Gas-filled surge arrestor
10/1988
10/26/1988EP0287771A1 EMP generator
10/19/1988EP0286740A1 Transient suppressor
10/19/1988EP0286739A1 Transit suppression system
10/04/1988CA1242759A1 Zinc oxide lightning protector
09/1988
09/27/1988US4774622 Connecting apparatus for lightning arresters for overhead transmission lines
09/22/1988WO1988006937A1 Discharge device for magnetopulse processing and welding of metals
09/14/1988EP0282404A1 Coating composition for surge arrester electrodes
09/14/1988EP0281945A1 Manufacturing process for a lightning arrester
09/06/1988US4769736 Gas discharge surge arrester
08/1988
08/31/1988EP0280116A2 Lighting protection apparatus
08/23/1988US4766513 High voltage apparatus
08/17/1988EP0278585A1 Packaged solid state surge protector
08/02/1988US4761707 Lightning-conducting insulators
07/1988
07/27/1988EP0275772A1 Housing for an electric device, particularly for a surge arrester, comprising an insulating moulded envelope
07/20/1988EP0274980A2 Gas discharge surge arrester with an ignition line
07/20/1988EP0274674A1 Process for manufacturing a lightning arrester, and lightning arrester obtained by this process
06/1988
06/28/1988US4754363 Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester
06/28/1988CA1238681A1 Heat protection device for overvoltage arrester magazines adapted to be plugged into terminal blocks loaded with solderless, non-screwed and stripping- free terminals
06/01/1988DE3639533A1 Plug-in surge diverter for electrical installations
05/1988
05/19/1988DE3639914A1 Device for protecting a telecommunications line against overvoltages
04/1988
04/27/1988EP0264409A1 Device for protecting a surge arrester against overheating
04/27/1988CN87106916A Arrester connection device for overhead transmission line
04/19/1988US4739439 Overvoltage arrester
04/05/1988US4736269 Voltage surge limiter with grounding assembly
03/1988
03/30/1988EP0262056A1 Indicator for signalizing a short circuit in a lightning arrester
03/29/1988US4734823 Fault current interrupter and explosive disconnector for surge arrester
03/22/1988US4733325 Electrical protective devices
03/22/1988US4733324 Surge arrestor
03/08/1988US4730229 Male base subscriber circuit protector module
03/01/1988US4729053 Process for the production of a lightning arrester and products produced thereby
01/1988
01/07/1988EP0251010A1 Gas-filled surge arrester
01/05/1988US4717902 Electrical components incorporating a temperature responsive device
12/1987
12/23/1987EP0249796A1 Gas discharge overtension arrester
11/1987
11/25/1987EP0246820A2 Electrical distribution apparatus having fused draw-out surge arrester
11/17/1987US4707762 Surge protection device for gas tube
11/04/1987EP0243813A1 Spark gap
10/1987
10/28/1987EP0242688A1 Surge arrester
10/28/1987EP0242590A1 Gas-discharge surge arrester
10/22/1987WO1987006399A1 Device for protecting a surge arrester against overheating
10/20/1987US4701825 Line protector
10/14/1987EP0240783A1 Event counter for an overvoltage arrester
09/1987
09/09/1987EP0236257A1 Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester
09/02/1987EP0233907A1 Surge voltage protection arrangements
08/1987
08/11/1987US4686603 Overvoltage arrester
07/1987
07/22/1987EP0229303A1 Spark gap, particularly for use as booster gap for a sparking plug of an internal combustion engine
07/22/1987CN86205482U Channel spark switches located in 30 pieces per metre
07/14/1987US4680665 Gas discharge arrester
07/02/1987WO1987004017A1 Spark gap, in particular for use as a pre-spark gap of a spark plug of an internal combustion engine
06/1987
06/23/1987US4675778 Overload protector for communications systems
06/09/1987US4672259 Power spark gap assembly for high current conduction with improved sparkover level control
05/1987
05/12/1987US4665337 Gas discharge arrester and method of manufacture
05/05/1987US4663692 Electrical surge arrester and disconnector
04/1987
04/07/1987US4656555 Filament wrapped electrical assemblies and method of making same
03/1987
03/10/1987US4649456 Three element gas tube protector module
02/1987
02/17/1987US4644441 Discharge-type arrester
02/12/1987WO1987000984A1 Surge voltage protection arrangements
02/10/1987US4642723 A heat protection device for overvoltage arrester magazines
02/03/1987US4640794 Impulse rocket propellant
01/1987
01/08/1987DE3523299A1 Auxiliary spark gap
12/1986
12/17/1986EP0204909A1 Electrode material for a spar gap assembly
12/02/1986US4626957 Capacitor with discharge gap
12/02/1986US4626955 Three electrode gas tube protector
11/1986
11/25/1986CA1214508A1 Gas filled surge arrester
11/04/1986CA1213640A1 Lightning arrester insulator
10/1986
10/29/1986EP0198868A1 Electrical components incorporating a temperature responsive device.
10/21/1986CA1212989A1 Surge voltage arrester having an external short- circuit path
10/08/1986EP0196370A1 Method for the production of an overvoltage diversion utilizing a ZnO-based varistor, and overvoltage diversion thus produced
09/1986
09/02/1986US4609902 Arrester support and disconnector structure
07/1986
07/29/1986US4603368 Voltage arrester with auxiliary air gap
07/22/1986CA1208282A1 Current transformer secondary voltage limiter
07/09/1986CN86100064A Discontinuous corona discharge pulse lightning rod
06/1986
06/11/1986EP0183873A1 Overvoltage arrester for a direct-current air conductor
06/04/1986EP0183542A1 Circuit protection arrangement
05/1986
05/28/1986EP0181959A1 Overvoltage arrester
05/09/1986WO1986002773A1 Electrical components incorporating a temperature responsive device
05/06/1986US4587592 Zinc oxide lightning protector
04/1986
04/22/1986US4583954 Methods of assembling electrical protective devices
04/15/1986US4583147 Gas discharge overvoltage arrester with concentrically surrounded socket
04/01/1986CA1202670A1 Protection unit for telecommunications circuits
03/1986
03/25/1986US4578733 Surge voltage arrester
03/11/1986CA1201762A1 Lightning arrester
02/1986
02/25/1986US4573100 Telephone two element gas tube protector module
02/18/1986US4571660 Lightning arrester insulator
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