Patents for H01T 1 - Details of spark gaps (2,199)
03/1995
03/07/1995CA2130303A1 Surge arrester
02/1995
02/28/1995CA2066048C Solid state telephone protector module
02/21/1995US5391961 Gas-filled discharge tube
02/07/1995US5388023 Gas-disccharge overvoltage arrester
02/02/1995WO1995003643A1 Arc containing device
02/02/1995EP0648372A4 Surge arrestor fail safe thermal overload mechanism.
02/02/1995CA2167604A1 Arc containing device
01/1995
01/25/1995EP0635919A2 Overvoltage protection element
01/25/1995EP0635918A2 Discharge device and ignition system with series gap using discharge device
01/25/1995CN1097903A Overvoltage protecting unit
01/24/1995US5384679 Solid state surge protectors
01/17/1995US5383085 Assembly for the discharge of electric overvoltages
01/03/1995US5379177 Transient voltage surge suppressor with I2 R/I2 T overcurrent protection switch
12/1994
12/27/1994US5377067 Junction box with protection function to protect from overvoltage and overcurrent
12/27/1994CA1333724C Safety device for communication equipment
12/21/1994EP0630030A1 Tank-type arrester
12/20/1994US5375030 Surge protection device and system
12/13/1994US5373414 Surge absorber
12/13/1994US5373413 Surge arrester having solid state switch
12/13/1994US5373242 Device for detecting and for indicating fault current through a lightning arrestor or an insulator
12/08/1994WO1994028607A1 Gas-filled overvoltage diverter
12/08/1994DE4402615A1 Transient overvoltages protection element for supply network
12/06/1994US5371648 Plug-in protection module for a module for rapid interconnection of telephone lines
11/1994
11/16/1994CN1095197A Surge absorber and producing means
11/16/1994CN1095196A 涡流高压磁耦合开关 Eddy magnetic coupling high pressure switch
11/08/1994US5363266 Electrical surge arrester
10/1994
10/27/1994DE4318366A1 Gas-discharge overvoltage suppressor
10/26/1994EP0621733A1 Pluggable protection module for module for fast interconnection of telephone lines
10/25/1994US5359316 Zinc oxide type arrester
10/12/1994CN1026198C Double needle pointer type electromagnetic counting device
10/04/1994US5352953 Gas-filled discharge tube
09/1994
09/29/1994WO1994022191A1 Surge arrester with short-circuit device
09/20/1994CA1332075C Lightning protection apparatus
09/15/1994WO1994021014A1 Arc detection in neon lighting systems
09/14/1994EP0615324A1 Method and device for obtaining an electric discharge
09/07/1994CN1091835A Lightning arrester leakance detecting and action recorder
09/01/1994WO1994019848A1 Overvoltage diverter
08/1994
08/30/1994CA1331783C Surge absorber
08/30/1994CA1331781C Lightening arrestor insulator and method of producing the same
08/23/1994US5341271 Surge arrester fault indicator
08/11/1994DE4401280A1 Discharge vessel
08/09/1994US5337035 Discharge tube
08/09/1994US5336970 Eliminates need for conditioning electrode prior to use
07/1994
07/19/1994CA1330826C Surge suppresor with insulating meltable wall and leaf springs for overcurrent shorting
07/19/1994CA1330825C Line protector with spring
07/07/1994DE4244051A1 Overvoltage protection element for telecommunication circuits
06/1994
06/30/1994DE4333441A1 Discharge vessel for voltage controller
06/29/1994EP0603428A1 Gas-filled overvoltage arrester
06/28/1994US5325087 Electrical protection apparatus
06/23/1994WO1994014216A1 Overvoltage protecting device
06/23/1994CA2151825A1 Overvoltage protecting device
06/15/1994EP0600874A1 Circuit arrangement
06/08/1994EP0600222A1 Lightning-current withstand device with at least two series-connected surge gaps
06/01/1994CN2167455Y Metal oxide arrester spark gap
05/1994
05/17/1994US5313183 Gas-tube arrester
05/11/1994WO1994010730A1 Arrangement with several surge arresters
05/10/1994US5311393 Transient voltage surge suppressor with I2 R/I2 T overcurrent protection switch
05/10/1994US5311164 Surge absorber
05/05/1994DE4237284A1 Anordnung mit mehreren Überspannungsableitern Arrangement with several surge arresters
05/04/1994EP0595376A2 Fail-safe surge arrester
05/03/1994US5309313 Fault gas seal for a polymer surge arrester
04/1994
04/20/1994CN2162726Y Electron no-residul-pressure discharge recording apparatus
04/20/1994CN1085691A Gas tube vent-safe device
04/14/1994DE4334101A1 Overvoltage limiter with fault indicator visible through window - causes green aspect to be superseded by red aspect consequent on movement of strip displaced by rupture of fusible element
04/13/1994EP0592295A1 Three-pole protection module with short-circuit fuse
03/1994
03/31/1994DE4331215A1 Electrical overvoltage diverter module - uses metal oxide varistor as voltage limiting device in parallel with overvoltage diverter
03/29/1994US5299088 Protective circuit and protective plug for telecommunication installations
03/29/1994CA2106898A1 Assembly for the discharge of electric overvoltages
03/23/1994EP0406099B1 Alternating current power line insulator with a protective spark arrester
03/01/1994US5291366 Surge voltage arrester
03/01/1994CA2019604C Gas-filled discharge tube
02/1994
02/23/1994CN1082757A Surge arrester arrangement
02/17/1994WO1994003949A1 Electrode arrangement for gas discharge switches and material for use therein
02/16/1994EP0582779A1 Safety plug for connecting or disconnecting rails for telecommunication or data technology
02/16/1994CN1082256A Surge arrestor fail safe thermal overload mechanism
02/10/1994DE4226077A1 Electrode material for gas discharge switch - contains insol. non-oxidic emission active component esp. refractory metal carbide
01/1994
01/25/1994US5282109 Back-up air gaps
01/12/1994CN1080754A Double-pointer electromagnetic counter
01/06/1994WO1994000864A1 Surge arrestor fail safe thermal overload mechanism
01/06/1994WO1994000856A1 Gas tube vent-safe device
01/06/1994CA2139329A1 Gas tube vent-safe device
01/06/1994CA2139327A1 Surge arrestor fail safe thermal overload mechanism
01/05/1994EP0576983A1 Surge arrester arrangement
01/05/1994EP0419386B1 Arrester device with visible fault-indicator
01/05/1994CN2152327Y Over-voltage protector
12/1993
12/23/1993WO1993026017A1 Electrical surge arrester
12/23/1993CA2137657A1 Electrical surge arrester
12/15/1993EP0573515A1 Heavily alloyed refractory alloy electrode and pressure wave generating device using said electrode
12/14/1993CA2046581C Discharge tube for series gap ignition apparatus
11/1993
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
10/13/1993CN1077305A Surge arrester arrangement
10/06/1993EP0564334A1 Device for detecting and indicating a fault current in an arrester or insulator
09/1993
09/28/1993US5248953 Thermal overload protection device for electronic components
09/15/1993EP0278585B1 Packaged solid state surge protector
09/07/1993US5243257 Surge voltage protector
09/02/1993WO1993017444A1 Surge arrester arrangement
08/1993
08/31/1993US5241446 Overvoltage protector unit for well constructions
08/28/1993WO1993017475A1 Sealing electrode and surge absorber using such electrodes
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