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 13 - Sparking plugs
Patents for H01T 13 - Sparking plugs (7,441)
11/1998
11/03/1998US5831377 Spark plug in use for an internal combustion engine
11/03/1998CA2064942C Gas filled discharge tube having a gas filling bore formed and closed by a laser beam
10/1998
10/28/1998EP0874432A2 Spark plug incorporating a resistor and manufacturing method therefor
10/28/1998EP0874431A1 Angled electrica plug
10/27/1998US5828161 External negative electrode having a cambered shape
10/27/1998US5827079 Electric connection member, ignition apparatus for internal combustion engine and manufacturing method thereof
10/21/1998EP0872928A1 Spark plug for internal combustion engine
10/21/1998EP0872927A2 A spark plug
10/21/1998EP0871999A1 Electrode material for a spark plug
10/13/1998US5821676 For a combustion engine
10/13/1998US5821675 Spark plug for an internal combustion engine and a method of making the same
10/07/1998CN2293909Y Multi-function fuel injection spark plug
10/07/1998CN2293908Y Multi-function spark plug
10/07/1998CN1195069A Multifunctional sparking plug
10/06/1998US5818152 Spark plug for an internal combustion engine
10/01/1998WO1998043020A2 Spark plug cable with coaxial metallic sleeve
09/1998
09/30/1998CN1194733A Spark plug for internal combustion engine
09/29/1998US5813872 Automotive spark plug cover
09/29/1998US5813379 In a piston internal combustion engine
09/23/1998EP0866530A1 Spark plug
09/22/1998US5811915 Spark plug including electrode with protruding portion for holding noble metallic chip, and method of making the same
09/22/1998US5810610 Device for connecting a cable, in particular a high-voltage cable for an internal combustion engine
09/16/1998EP0865049A1 One-spark ignition coil
09/16/1998CN1193202A Method protective cover of spark plug connector
09/09/1998EP0863591A1 A semi-creeping discharge type spark plug
09/09/1998EP0863590A1 Connector for ignition cable
09/09/1998EP0862807A1 Restrain coil for ignition systems
09/09/1998EP0845079A4 Long-life, anti-fouling, high current, extended gap, low heat capacity halo-disc spark plug firing end
09/02/1998CN2290128Y Ceramic thin film sparking plug
09/01/1998US5799637 Rocket effect sparking plug
09/01/1998US5799634 Spark plug for venting excessive pressure
09/01/1998US5799633 Spark plug boot
08/1998
08/26/1998EP0860043A1 Electrode for spark plugs of internal combustion engines and process for manufacturing the same
08/26/1998EP0716778B1 An improved spark plug system
08/26/1998EP0707748B1 Spark plug with automatically adjustable gap
08/25/1998US5797383 Dual polarity type ignition system for a spark plug group
08/25/1998CA2124523C Heat shielded spark plug boot assembly
08/20/1998DE19723784C1 Circuit for ignition system of IC engine supplying high voltage to spark plug electrodes
08/19/1998EP0859436A1 Spark plug for internal combustion engine and method of making it
08/19/1998CN2288534Y Cascade high-energy sparking-plug
08/19/1998CN2288533Y Icy sparking-plug of igniting edgewise
08/12/1998EP0858139A1 Sparking plug
08/11/1998US5793793 Spark plug
08/11/1998US5793151 Creeping discharge spark plug
08/11/1998US5791918 Spark plug connector
08/11/1998US5791320 Engine ignition system
08/04/1998US5790039 Method for detecting the presence of a spark in an electronic ignition system used with an internal combustion engine
07/1998
07/29/1998EP0855771A1 Ignition rail with sealed, removable connections
07/29/1998EP0746889B1 Spark plug
07/28/1998US5785560 Ignition cable connection terminal
07/28/1998US5785035 Ignition device with series gap having shielding case
07/22/1998CN2286535Y Jetting tuype sparking-plugs
07/15/1998CN2286352Y Half-surface multipolar spark plug
07/09/1998DE19700073A1 Method for obtaining increased spark-length in IC engine
07/01/1998EP0851550A1 A metal shield for a plug connection
07/01/1998CN2285525Y Sparking-plug
06/1998
06/25/1998WO1998027629A1 Spark plug
06/25/1998DE19652618A1 Zündkerze und Verfahren zur Herstellung einer Zündkerze Spark plug and method for manufacturing a spark plug
06/25/1998DE19651454A1 Zündkerze Spark plug
06/18/1998WO1998026481A1 Spark plug
06/17/1998EP0848394A1 Integrated ignition coil and spark plug
06/17/1998EP0679223B1 Multi-spark ignition system with variable number of sparks for an internal combustion engine
06/17/1998CN1184942A Method and apparatus for diagnosing and determining deterioration/replacement of spark plug
06/16/1998US5767758 Plug cap incorporated type ignition coil
06/16/1998US5767613 For use with an internal combustion engine
06/16/1998US5766030 Cap type connector assembly for high-voltage cable
06/11/1998WO1998025124A1 Method and apparatus for inspecting spark plug while spark plug is installed in engine
06/04/1998DE19747147A1 Automobile sparking plug cap
06/03/1998EP0845167A1 Spark plug for internal combustion engine
06/03/1998EP0845079A1 Long-life, anti-fouling, high current, extended gap, low heat capacity halo-disc spark plug firing end
06/03/1998CN1038628C Electrically conductive sealing compound for sparking plugs
06/02/1998US5760534 Spark plug having ring shaped auxiliary electrode with thickened peripheral edges
06/02/1998US5760533 Spark plug for an internal combustion engine
06/02/1998US5760532 Sintered ceramic body for a spark plug
05/1998
05/26/1998US5755581 Plug cap for spark plug
05/20/1998EP0843394A1 Ignition device for internal combustion engine
05/20/1998EP0843385A2 Plug connection for high-voltage cable
05/12/1998US5751096 Spark plug having a plurality of vertical ground electrodes and a vertical cylindrical shaped center electrode in parallel formation for use in a internal combustion engine
05/12/1998US5749742 Maximum retention serviceable high voltage spark plug adapter
05/06/1998EP0750801B1 Spark plug with fine wire rivet firing tips and method for its manufacture
05/06/1998CN2281019Y Multi-pole energy-saving spark plug
04/1998
04/28/1998US5743777 For a spark plug
04/22/1998EP0837481A2 Ignition coil for internal combustion engine
04/22/1998CN1179638A Inflating oil-saving sparking-plug and apparatus
04/21/1998US5741963 Adjustment method for spark plug and apparatus therefor
04/15/1998CN2279017Y Solid core spark plug
04/15/1998CN1179024A Sparking plug and its producing method
04/08/1998EP0834973A2 Spark plug and its manufacturing method
04/07/1998US5736809 Laser welding, annealing to increase recrystallized grain size of noble metal layer
04/07/1998US5735254 Circuit for detecting an overvoltage on a switched inductive load
04/02/1998WO1998013914A1 Restrain coil for ignition systems
04/01/1998CN2277590Y Open sparking-plug
03/1998
03/31/1998US5734222 Spark plug system
03/25/1998EP0831213A2 Direct injection type combustion engine
03/25/1998EP0831212A2 Direct injection type combustion engine
03/24/1998US5731655 Spark plug with 360 degree firing tip
03/24/1998US5731654 For an internal combustion engine
03/19/1998WO1998011637A1 Spark plugs for internal combustion engines
03/19/1998DE19637374A1 Star-shaped sparking plug for IC engine
03/18/1998EP0829936A1 Spark plug and producing thereof
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