Patents for H01T 13 - Sparking plugs (7,441)
01/1983
01/04/1983CA1138626A1 Manufacture of bi-metal electrodes for spark plugs
12/1982
12/28/1982US4366436 Engine analyzers
12/23/1982WO1982004504A1 Spark plug
11/1982
11/30/1982US4361122 Internal combustion engine with externally-supplied ignition, having one main combustion chamber per cylinder and one ignition chamber
11/30/1982US4361036 Engine analyzer
11/23/1982US4359893 Voltage source for ion current measurement in an internal combustion engine
11/09/1982CA1135329A1 Lean air-fuel mixture attraction method and attraction electrode plug in engine
10/1982
10/20/1982EP0062710A1 A fit-on type attachment ring assembly for an engine spark plug unit
10/12/1982US4354136 Ignition plug for internal combustion engine
09/1982
09/14/1982CA1131521A1 Spark plug for internal combustion engine
08/1982
08/17/1982US4345179 Resistor glass seal spark plug
08/10/1982US4344014 Ignition spark plug
07/1982
07/27/1982US4341195 Ignition system for spark plugs capable of removing carbon deposits
07/07/1982EP0055658A1 Igniter device for igniting carburated gaseous mixtures and process for manufacturing same
07/06/1982CA1127028A1 Spark plug
06/1982
06/29/1982US4337408 Plasma jet ignition plug
06/23/1982EP0054374A2 Spark plug electrode and its method of manufacture
06/22/1982US4336477 Spark plug
06/15/1982CA1125606A1 Spark plug seal
06/01/1982US4333126 Combustion initiation device
06/01/1982US4333125 Combustion initiation system
06/01/1982US4332223 Plasma fuel ignitors
05/1982
05/25/1982US4331899 Spark plug
05/18/1982US4330732 Plasma ceramic coating to supply uniform sparking action in combustion engines
05/11/1982US4329615 Spark plug for internal combustion engines
05/11/1982US4329174 Containing silicon, manganese, and at least two of chromium, aluminum and yttrium
05/04/1982US4327702 Plasma jet ignition system with noise suppressing arrangement
05/04/1982US4327681 Internal combustion engine having a main combustion chamber and an ignition device inserted into an ignition chamber
04/1982
04/28/1982EP0050552A1 Spark plug
04/20/1982US4325332 Air injection system for internal combustion engines
04/20/1982CA1122087A1 Dual internal electric spark plug
04/14/1982EP0049372A1 Spark plug for internal-combustion engines
04/13/1982US4324588 Arc erosion resistant composite materials and processes for their manufacture
03/1982
03/16/1982US4319552 Pre-combustion system for internal combustion engines
03/16/1982CA1119907A2 Spark plug
03/10/1982EP0047020A1 Piezoelectric crystal spark plug
03/03/1982EP0036888A4 Plasma jet ignition system.
02/1982
02/23/1982US4317068 Plasma jet ignition system
02/09/1982US4315298 Igniter plug
02/09/1982US4314392 Method of making a spark plug electrode
01/1982
01/27/1982EP0044764A1 Method for manufacturing a center electrode for use in a spark plug
01/05/1982US4309738 Igniter plug
12/1981
12/29/1981US4308488 Plasma jet ignition system
12/29/1981US4308487 Dual internal electric spark plug
12/22/1981US4307316 Self cleaning spark plug
12/15/1981US4305357 Internal combustion engine having a main combustion chamber and an ignition chamber associated therewith provided with an ignition device
12/10/1981WO1981003525A1 Combustion initiation device
12/09/1981EP0041475A1 Method of manufacturing an ignition device for an internal-combustion engine, and ignition device obtained thereby
11/1981
11/10/1981US4300111 Device in ignition coils
10/1981
10/07/1981EP0036888A1 Plasma jet ignition system.
09/1981
09/15/1981US4289990 Spark plug with a stepped insulator and an inner constriction in the housing
09/08/1981US4288714 Spark plug for internal combustion engine
09/08/1981CA1108710A1 Spark-plug terminal
08/1981
08/20/1981WO1981002328A1 Combustion initiation system
08/18/1981US4284054 Lean air-fuel mixture attraction method and attraction electrode plug in engine
07/1981
07/21/1981CA1105582A1 Device for electrically connecting spark plug to high- voltage cable
07/09/1981WO1981001918A1 Spark plug
07/01/1981EP0031007A1 Positively ignited internal-combustion engine with a main combustion chamber each per cylinder and an ignition chamber
06/1981
06/30/1981US4275559 Retractable igniter device for gas turbines
06/23/1981US4275328 Spark plug having intermediate electrode and non-parallel series gaps
06/23/1981US4274695 Device for electrically connecting spark plug to high-voltage cable
06/09/1981US4272697 Spark plug with annular rings in insulating core channels forming series gap
05/1981
05/19/1981US4268774 Spark plug with ground electrode having diverging prongs
05/12/1981US4267483 Insulator on spark plug electrode coated with zirconium and vanadium oxides
05/12/1981US4267482 Ignition spark plug
05/12/1981US4267481 Spark plug with hot/sharp ground electrode
04/1981
04/28/1981US4264844 Electrical igniters
04/21/1981US4262524 Instrument for measuring spontaneous ignition in an internal combustion engine
04/14/1981US4261085 Method of making an ignition plug insulator having an electrically conductive end
04/02/1981WO1981000885A1 Plasma jet ignition system
03/1981
03/31/1981CA1098397A1 Internal combustion engines
03/11/1981EP0024910A1 Ignition plug
03/03/1981CA1096605A1 Resistor composition for spark plug having a resistor enclosed therein
02/1981
02/24/1981CA1096255A1 Method to prevent unauthorized use of combustion engine driven vehicles, ships, other equipment including combustion engines only and a device according to the method
02/17/1981CA1095790A1 Spark plug
02/10/1981US4250426 Spark plug having vanadium oxide islands on central insulator
02/03/1981US4249103 Breech-assembled igniter device
01/1981
01/20/1981CA1093916A1 Ignitor for lean burn ignition system
12/1980
12/10/1980EP0020200A1 Igniter plug
11/1980
11/25/1980US4235214 Secondary air guide ring for ignition plug
11/25/1980CA1090167A1 Platinum-coated igniters
11/18/1980US4233943 Device for detecting premature ignition in an internal-combustion engine
11/04/1980US4232242 Sparking plug with efficient air supplying system and a removable sitting device
10/1980
10/28/1980CA1088391A1 Secondary air guide ring for ignition plug
10/21/1980US4229672 Spark plug with low erosion electrode tip
10/01/1980EP0016647A1 Ignition plugs
09/1980
09/23/1980US4224554 Spark plug having a low noise level
09/09/1980US4221452 Electrical connector
08/1980
08/26/1980US4219001 Method and apparatus for accumulating fuel particles in a portion of a combustion chamber
08/12/1980CA1083684A1 Ignition cable terminals and method of manufacture
07/1980
07/29/1980US4214567 Internal combustion engines
07/08/1980US4211952 Spark plug
07/01/1980CA1080803A1 Spark plug tester
07/01/1980CA1080590A1 Electrically semi-conducting ceramic body
06/1980
06/24/1980US4209221 Two-piece socket terminal
06/03/1980US4206381 Lean burn spark plug
05/1980
05/20/1980US4203393 Plasma jet ignition engine and method
05/13/1980US4202312 Ignition device for rotary piston engine
05/13/1980US4202307 Ignition plug
04/1980
04/29/1980CA1076438A1 Internal combustion engine including spark plug anti-fouling means
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