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)
08/1982
08/17/1982US4345294 Overvoltage-arrester device for terminal- or junction blocks in telecommunication equipment
08/17/1982US4345293 Arrester
07/1982
07/21/1982EP0056282A1 Gas discharge overvoltage arrester
07/20/1982US4340923 Electrical circuit protector
06/1982
06/22/1982CA1126330A1 Surge arrester
06/22/1982CA1126329A1 Gas-filled discharge tube, more particularly a surge arrester
06/15/1982US4335416 Telephone protector module having flag indicator
06/08/1982US4334257 Overvoltage protection device
05/1982
05/27/1982WO1982001792A1 Protection device against discharge overvoltages in a gas with concentric enclosing sleeve
05/04/1982US4328524 Cable head with protection for a telephone exchange distributor
05/04/1982US4328523 Method and apparatus for the protection of electrical equipment from high voltage transients
04/1982
04/27/1982US4327393 Protector module base assembly with an external spark gap
04/20/1982CA1122267A1 Overvoltage protection device
04/13/1982US4325100 Line protector for a communications circuit
04/06/1982CA1121443A1 Surge arrestor gap assembly
03/1982
03/30/1982US4322777 Circuit board formed with spark gap
03/23/1982US4321651 Enclosed-type zinc-oxide surge arrester
03/23/1982US4321650 Telephone circuit sensitive station protector
03/23/1982US4321649 Surge voltage arrester with ventsafe feature
03/18/1982WO1982000926A1 Improvements in surge arresters
03/16/1982US4320436 Secondary valve arrester
03/16/1982US4320435 Surge arrester assembly
03/16/1982US4320432 High voltage transformer bushing fuse and arrester arrangement
03/09/1982US4319300 Surge arrester assembly
03/02/1982US4318149 RC Composite component with spark gap
02/1982
02/23/1982US4317155 Surge absorber
02/23/1982US4317154 Communication circuit protector
02/23/1982CA1118835A1 Corona free arrester
02/02/1982US4314303 Overvoltage protection device
02/02/1982US4314302 Communications circuit line protector and method of making the same
01/1982
01/19/1982CA1116691A1 Lightning arrester device
12/1981
12/23/1981EP0042213A1 Line protector for a communications circuit
12/09/1981EP0041098A1 Coaxial lead-through
12/08/1981US4305109 Surge arrester for a plurality of lines to be safeguarded
11/1981
11/24/1981CA1113149A1 Lightning arrester device
11/24/1981CA1113148A1 Abnormal voltage-protection device
11/03/1981US4298815 Cathode ray tube socket with controlled spark gaps
10/1981
10/28/1981EP0038621A1 Communications circuit line protector and method of making the same
10/28/1981EP0038412A1 Survoltage arrester device for telephone connectors assembly
10/07/1981EP0037364A1 Surge arrester with a column of surge elements and screening bodies
10/07/1981EP0037363A1 Over voltage arrester
10/01/1981WO1981002812A1 Screened overvoltage shunting device
09/1981
09/23/1981EP0036046A1 Encapsulated overvoltage arrester
09/22/1981CA1109517A1 Enclosed lighting arrester
09/15/1981CA1109121A1 Surge arrester
09/08/1981US4288832 Two-section protection module for connecting blocks
09/01/1981US4287548 Surge voltage arrester with reduced minimum operating surge voltage
08/1981
08/26/1981EP0034360A1 Electrode of a gas discharge overvoltage arrester and overvoltage arrester provided therewith
08/19/1981EP0033814A2 Electrical connector including surge protection for a plurality of circuits and method of making same
08/19/1981EP0033804A1 Movable connector for high voltage arrester
08/11/1981US4283747 Methods of making a gas tube surge protector
07/1981
07/21/1981CA1105548A1 Modular line protector
07/15/1981EP0032085A1 Multipolar protecting device against overvoltages
07/07/1981US4277812 Excess voltage arrester
06/1981
06/30/1981US4276578 Arrester with graded capacitance varistors
06/02/1981CA1102406A1 Protective gap devices for protecting circuit breaker
05/1981
05/20/1981EP0028946A2 Connector for a cathode ray tube
05/19/1981CA1101532A1 Apparatus mounting arrangement for avoiding harm due to seismic shocks
05/12/1981US4267484 Parallel multi-electrode spark gap switch
05/05/1981US4266260 Surge arrester
05/05/1981US4266158 Cathode ray tube socket with a spark gap
04/1981
04/15/1981EP0027061A1 Lightning arrester device allowing an external short-circuiting and corresponding protection assembly
04/14/1981US4262317 Line protector for a communications circuit
04/14/1981CA1099330A1 Transient voltage surge suppressing device
04/07/1981CA1098958A1 Surge arrester
03/1981
03/24/1981CA1098183A1 Low voltage welding circuit with non-conductive ground connector
03/11/1981EP0024583A1 Overvoltage arrester
02/1981
02/17/1981CA1096003A1 Tube socket for a cathode ray tube having high and low voltage pins
02/17/1981CA1095976A1 Gas-discharge surge-arrester with concentric electrodes
12/1980
12/23/1980US4241374 Surge voltage arrester with ventsafe feature
12/23/1980CA1092188A1 Spark gap
12/10/1980EP0020010A1 A capped resilient electrical housing and arrester comprising such a housing
11/1980
11/25/1980CA1090399A1 Line fault protector module having a fusible element controlling a grounding circuit
11/18/1980US4234902 Enclosed lightning arrester
11/04/1980US4232352 Protective gap devices for protecting circuit breakers
10/1980
10/21/1980CA1088147A1 Surge arrester assemblies
10/15/1980EP0017337A1 Line protector for a communications circuit
10/15/1980EP0016850A1 Surge voltage diverter to protect several conductors simultaneously
10/14/1980US4228478 Overvoltage arrester
10/14/1980CA1087678A1 Spark gap assembly for voltage surge arresters
10/07/1980US4227229 Lightning arrester device
09/1980
09/23/1980CA1086415A1 Carriers for mounting lightning protectors
09/09/1980CA1085450A1 Voltage surge protector
08/1980
08/26/1980US4219862 Lightning arrester device
08/21/1980WO1980001741A1 Overvoltage protection device
08/20/1980EP0014543A1 Surge voltage arrester with ventsafe feature
08/12/1980US4217619 Transient voltage surge suppressing device
07/1980
07/29/1980US4215381 Protector module for telephone circuits
07/29/1980US4215380 Carriers for mounting lightning protectors
07/22/1980US4214211 Electrostatic destruction preventing circuit for use in a receiver
05/1980
05/20/1980US4204239 Abnormal voltage protection device
04/1980
04/29/1980US4200256 Apparatus mounting arrangement for avoiding harm due to seismic shocks
04/22/1980US4199215 Tube socket with novel grounding means for high voltage terminals
03/1980
03/18/1980US4194138 Spark gap devices
03/18/1980CA1073967A1 Surge arrester
03/04/1980US4191985 Interrupter
02/1980
02/20/1980EP0008181A1 An arrester for underground systems
02/05/1980US4187526 Gas-Discharge surge arrester with concentric electrodes
12/1979
12/25/1979US4180843 Device for protecting electric systems, particularly telecommunication systems, against overvoltage pulses
12/11/1979CA1067953A1 Line protector for communication circuit
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