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