Patents for H01T 13 - Sparking plugs (7,441)
03/1998
03/12/1998DE19636537A1 Zündkerze für Brennkraftmaschinen A spark plug for internal combustion engines
03/11/1998CN2276214Y 可拆卸火花塞 Removable spark plug
03/10/1998US5725405 Method and apparatus for positioning spark plug electrodes
03/05/1998DE19737614A1 Sparking plug for apparatus that detects ion current
02/1998
02/28/1998CA2214250A1 Device for cathodic cleaning of wire
02/25/1998CN2275292Y Sparking plug for local heat source
02/25/1998CN2275291Y Novel sparking plug
02/25/1998CN1174430A Sparking-plug for internal combustion engine
02/24/1998US5720252 High power ignition assist for an engine
02/19/1998WO1998007220A1 Electrode for spark plugs of internal combustion engines and process for manufacturing the same
02/19/1998DE19631985A1 Elektrode mit verschleißfester Beschichtung, Zündkerze und Verfahren zu ihrer Herstellung Electrode with a wear-resistant coating, the spark plug and method for their preparation
02/17/1998US5718843 Electroconductive mixture of carbon powder and magnesium oxide in cured binder; current intensity, spark discharge strength
02/17/1998CA2013129C Spark plug for internal combustion engine
02/11/1998CN1172901A Device for inspecting plug connection
02/10/1998US5716223 Spark plug boot insulator
02/10/1998US5715801 Ignition system for internal combustion engine
01/1998
01/29/1998WO1998004022A1 Ignition system for an internal combustion engine
01/29/1998DE19629344A1 Fuel-air mixture ignition device for IC engine combustion chamber
01/22/1998DE19629171A1 IC engine ignition system with device for generating a fuel cloud in combustion chamber
01/22/1998DE19627952A1 Sparking plug for IC engine arranged at least one per cylinder at combustion chamber
01/21/1998EP0819214A1 Ignition device for a multicylinder internal combustion engine
01/21/1998CN1170980A Spark plug
01/15/1998DE19627524A1 Sparking plug for use on fuel-injected IC engines
01/14/1998CN1037046C Spark plug for internal combustion engine
01/13/1998US5706847 Quick replacement spark plug assembly
01/13/1998US5706792 Integrated ignition coil and spark plug
01/07/1998EP0817342A1 Spark plug
01/07/1998EP0817341A1 Spark plug
01/07/1998EP0817334A2 Device for inspecting plug connection
01/07/1998CN2272159Y Sparking-plug structure with check valve
01/06/1998US5705892 Of an internal combustion engine
01/06/1998US5704321 Traveling spark ignition system
01/02/1998DE19623989A1 Zündkerze für eine Brennkraftmaschine A spark plug for an internal combustion engine
01/02/1998DE19623399A1 Ignition coil for internal combustion (IC) engine
12/1997
12/30/1997US5702998 Sintered ceramic body for a spark plug insulator and method of sintering the same
12/24/1997WO1997049153A1 Spark plug for internal combustion engine
12/24/1997WO1997049152A1 Computer-controlled internal combustion engine equipped with spark plugs
12/24/1997CA2258521A1 Computer-controlled internal combustion engine equipped with spark plugs
12/17/1997CN1168013A Multifunctional fuel jet spark plug
12/16/1997US5697334 Spark plug with integral retainer nut
12/10/1997EP0812043A1 A spark plug for an internal combustion engine
12/10/1997CN1167209A Tube for pressing-in electric heating plug
12/04/1997WO1997045636A1 Traveling spark ignition system and ignitor therefor
12/02/1997US5693999 Multiple gap spark plug for internal combustion engine
11/1997
11/26/1997CN2269004Y Spark plug leads capable of stabilizing voltage for ignition
11/20/1997WO1997043544A1 Ignition device
11/20/1997DE19719937A1 Motor vehicle IC engine sparking plug with manufacturing method
11/19/1997CN2268326Y Two-stage multi-kernel environment-protective sparking plug
11/12/1997CN2267336Y Device for testing high voltage ignition of automobile
11/11/1997US5685282 Ignition device and electrical connector for internal combustion engine
11/05/1997EP0805534A1 Spark plug for internal combustion engine
11/04/1997US5682865 Electrical connector and ignition apparatus for an internal combustion engine
10/1997
10/30/1997DE19711876A1 High power spark ignition system for IC engine
10/29/1997EP0803950A1 A spark plug for an internal combustion engine
10/29/1997CN2266209Y Spark plug
10/23/1997DE19611283C1 Zündkerzenstecker für einen Verbrennungsmotor Spark plug connector for an internal combustion engine
10/21/1997US5680002 Multi-polarity type spark plug for use in an internal combustion engine
10/21/1997US5679012 Electric connection member, ignition apparatus for internal combustion engine and manufacturing method thereof
10/21/1997US5679011 Spark plug device
10/15/1997CN2265014Y Carbon deposit and dirt preventing sparking plug
10/08/1997EP0800247A1 A dual polarity type ignition system for a spark plug group
10/08/1997EP0697144B1 Improvements relating to ignition leads used in conjunction with internal combustion engines
10/07/1997US5675257 Diagnostic device for gas turbine ignition system
10/07/1997US5675209 High thermoconductivity core, cladding layer bonded to core, diffusion layer
10/02/1997WO1997036354A1 Sparking plug connector for an internal combustion engine
10/01/1997EP0798833A1 Spark plug for internal combustion engine
09/1997
09/24/1997EP0796993A2 Ignition apparatus for use in internal combustion engine
09/12/1997WO1997033344A1 Automotive spark plug cover
09/09/1997US5664954 Spark plug boot assembly
09/04/1997DE3546922C2 Spark plug resistance compsns.
09/04/1997DE19607654A1 Spark plug ignition of air=fuel mixture
09/03/1997EP0793319A1 Spark plug boot insulator
09/02/1997US5662095 Plug cap for insertion into a bore
08/1997
08/21/1997WO1997030497A1 Spark plug with integral retainer nut
08/20/1997EP0790687A1 A spark plug for use in an internal combustion engine
08/14/1997WO1997029280A1 Ignition device for a multicylinder internal combustion engine
08/12/1997US5655491 Ignition plug cap
08/07/1997DE19604105A1 Zündvorrichtung für eine Mehrzylinder-Brennkraftmaschine Ignition device for a multi-cylinder internal combustion engine
08/06/1997EP0788204A1 Ceramic insulator, its manufacture and spark plug incorporating it
07/1997
07/31/1997DE19701752A1 Zündkerze mit einer Magnetfeldeinrichtung zur Erzeugung eines Lichtbogens veränderlicher Länge Spark plug having a magnetic field means for generating an arc of variable length
07/30/1997CN1035535C New type spark plug and coating method
07/23/1997EP0785605A1 Engine igniting coil device
07/23/1997EP0785604A1 A spark plug for use in an internal combustion engine
07/22/1997US5650687 Spark plug for an internal combustion engine
07/22/1997US5649830 Ignition lead assembly for spark plug internal combustion engine
07/16/1997EP0646292B1 Electrically conductive sealing compound for sparking plugs
07/10/1997WO1997024788A1 Spark plug
07/09/1997CN2257625Y Multifire surface sparking plug
07/08/1997CA2053706C Sintered ceramic body for a spark plug insulator and method of sintering the same
07/02/1997EP0782231A1 Engine igniting coil device
07/01/1997US5642721 Double ignition system for internal combustion engines, ignition plug for double ignition systems, and electric spark generator
06/1997
06/26/1997WO1997022981A1 Ignitor for internal combustion engines
06/25/1997EP0780938A1 Connection device for ignition systems of vehicles
06/25/1997EP0780928A2 One-part contact element
06/19/1997WO1997022167A1 Means for electrically connecting the coil to a spark plug of a vehicule with a gasoline or mixture fed internal combustion engine
06/12/1997DE19650728A1 Small spark plug with iridium-based central electrode tip
06/04/1997CN2255683Y Single-pole spark plug
06/04/1997CN1151089A Adapter feeding apparatus
05/1997
05/28/1997EP0445283B1 Combustion ignitor
05/28/1997CN2255109Y Sparking-plug with sensor
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