Patents for H01T 4 - Overvoltage arresters using spark gaps (2,976)
05/1994
05/31/1994US5317474 Module for telephone line conductor pair having single protector unit
05/31/1994US5317473 Surge arrester assembly
05/31/1994US5317469 Arrangement of an over-voltage protection circuit
05/17/1994US5313183 Gas-tube arrester
05/11/1994WO1994010730A1 Arrangement with several surge arresters
05/10/1994US5311164 Surge absorber
05/05/1994DE4237284A1 Anordnung mit mehreren Überspannungsableitern Arrangement with several surge arresters
04/1994
04/28/1994DE4236538A1 Encapsulated spark gap for overvoltage discharge - has two electrodes with collar-shaped edges forming dish shape, and glass insulator welded to collar edge
04/27/1994EP0436529B1 Gas discharge surge absorber
04/26/1994US5307231 Weatherproof station protection modules
04/23/1994CA2108828A1 Encapsulated spark gap and method of manufacturing
03/1994
03/31/1994DE4331215A1 Electrical overvoltage diverter module - uses metal oxide varistor as voltage limiting device in parallel with overvoltage diverter
03/29/1994CA2106898A1 Assembly for the discharge of electric overvoltages
03/23/1994EP0406099B1 Alternating current power line insulator with a protective spark arrester
03/22/1994US5296998 Lightning arrester for under-oil applications
02/1994
02/22/1994US5289335 Surge protector of non-inductive resistor connected in series with zinc oxide arrester which is also connected in parallel with spark gap, durability
02/16/1994EP0582779A1 Safety plug for connecting or disconnecting rails for telecommunication or data technology
01/1994
01/25/1994US5281768 Suspension-type line arrester
01/13/1994DE4222378A1 Lightning overload voltage protector for aerial systems - has coupling unit with metal housing coupled to aerial wire via gas filled overload voltage capsule
01/11/1994US5278720 Printed circuit-mounted surge suppressor matched to characteristic impedance of high frequency transmission line
12/1993
12/31/1993CA2098365A1 Surge arrester with spring clip assembly
12/29/1993CN2151554Y Plate gap lightening arrester
12/21/1993US5272594 Telephone line overvoltage protection device having aligned, bent terminals supporting a circuit board
12/21/1993US5272280 Overvoltage protector assembly
11/1993
11/30/1993CA2095161A1 Spark gap device
11/18/1993DE4215994A1 Encapsulated spark gap - has concentric basin-shaped electrodes with bases separated by heat-resistant mica and sides by insulating glass
10/1993
10/28/1993DE4313619A1 Gas discharge tube for stable discharge - has sealed discharge chamber formed by cover bonded to cylindrical body with electrodes enclosed by inner wall surfaces of body and cover to protect from external electric fields.
10/14/1993DE4309610A1 Gas filled discharge vessel - has pair of discharge electrode hermetically mounted one at each end of cylindrical gas filled component
09/1993
09/07/1993US5243257 Surge voltage protector
08/1993
08/31/1993US5241446 Overvoltage protector unit for well constructions
08/28/1993WO1993017475A1 Sealing electrode and surge absorber using such electrodes
08/28/1993CA2107679A1 Sealing electrode and surge absorber using such electrodes
08/10/1993US5235247 Discharge tube with activation layer
07/1993
07/29/1993DE4141682A1 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
07/29/1993DE4141681A1 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
07/13/1993US5227947 Arrester assembly with sealed back-up air gap
07/06/1993US5224881 Connection strip having semi-integrated protectors
06/1993
06/29/1993US5224013 Miniature station protector modules
06/29/1993US5224012 Solid state station protectors
06/24/1993DE4236584A1 Overload voltage protector e.g. for use with control and instrumentation equipment - has modular structure with overload elements in housing interconnected by bridging strips.
06/23/1993EP0547586A2 Discharge tube
06/23/1993EP0547532A1 Disposition of BCU-unit and means for a separable connection to a BUS-line
06/19/1993CA2085571A1 Discharge tube
06/09/1993CN1073034A electric surge discharger
06/09/1993CN1021173C CRT socket
06/01/1993US5215478 Spark gap device
05/1993
05/25/1993US5213298 Mounting bracket assembly
05/18/1993US5210937 Method of forming a telephone line overvoltage protection device
05/05/1993CN1020527C Flash barrier operating through wire insulator
04/1993
04/21/1993EP0537486A2 Surge arrester assembly
04/07/1993CN2129446Y Metal oxide arrester with automatic detaching device
04/07/1993CN2129233Y Zinc oxide spark gap for use in pillar of electrification rail contacting net
04/06/1993US5200875 Protection structure for a surge absorber
03/1993
03/30/1993US5198791 Surge absorber
03/17/1993CN2128416Y Solid-state discharge tube
02/1993
02/16/1993US5187634 Fail-safe protector
02/02/1993US5184273 Microgap type surge absorber
02/02/1993US5184270 Internal arc gap for secondary side surge protection and dissipation of a generated arc
01/1993
01/19/1993CA1312913C Gas discharge over-voltage arrestor having a line of ignition
01/07/1993EP0521013A1 Electrical protection apparatus.
12/1992
12/29/1992US5175662 Device including an MTU and protector
12/15/1992US5172297 Lightning arrestor
12/15/1992US5172295 Voltage limiter arrangement with receiving member for connection to a surge arrester magazine
12/01/1992US5167538 Contact component
10/1992
10/22/1992DE4203041A1 Surge protector for HV electrical distribution system
10/22/1992DE4110073A1 Surge protector for HV electrical distribution system
10/14/1992EP0508647A2 Arrestor unit
10/13/1992US5154639 Protective plug for a distributor strip utilized in telecommunications systems
09/1992
09/30/1992EP0506393A2 Arrester
09/15/1992US5147501 Electronic devices
09/01/1992US5144510 Line protector for a communications circuit
08/1992
08/25/1992US5142434 Overvoltage arrester with air gap
08/25/1992US5142194 Spark gap component of particular spacing mounted within a shield
08/20/1992DE4114947C1 Protective plug for coupling to distributor contact module - has two differently shaped contact faces for contact spring of spring pair
08/12/1992EP0498151A1 Terminal block with semi-integrated protections
08/12/1992CN1017850B Protected plug for conector block or breaker block
07/1992
07/22/1992EP0495102A1 Surge-absorbing element for protection against overvoltage and overcurrent
07/14/1992US5130880 Internal arc gap for secondary side surge protection
07/01/1992CN1062434A Surge suppression in electric apparatus
06/1992
06/27/1992CA2047287A1 Mounting bracket assembly
06/03/1992EP0488695A2 Surge suppression in electric apparatus
05/1992
05/20/1992CN1061304A Lightning protection method of ground cable unattended repeater
04/1992
04/29/1992EP0482542A1 Overvoltage arrester
04/29/1992CN1060743A Double blowout lightning arrester
04/29/1992CN1016478B Gas lightning arrester contg. mineral addition agent
04/26/1992CA2054121A1 Surge voltage protector
04/07/1992US5103135 Gas-discharge surge arrester
04/01/1992EP0477664A1 Protector plug for distributor board of telephonic equipments, in particular for private branch exchanges
04/01/1992EP0477663A1 Contact element
03/1992
03/31/1992US5101317 Overload protector for telecommunications systems
03/24/1992CA1297939C Surge arrestor stack with compression inducing members
02/1992
02/26/1992EP0471948A2 Transient protection circuit
02/25/1992CA1296382C Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester
02/08/1992WO1992002978A1 Surge-absorbing element for protection against overvoltage and overcurrent
02/08/1992CA2067202A1 Surge absorbing component to protect from overvoltage and overcurrent
01/1992
01/22/1992CN2094130U Coaxial arrester
01/22/1992CN2094129U Arrester for electric transmission line
01/21/1992US5083233 Surge protection assembly for insulating flanges
01/21/1992CA1294667C Overload protector module and building entry protector for telecommunications systems
01/01/1992CN2092135U Communication security device using thermistor with positive temp coefficient
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