| Patents for H01T 13 - Sparking plugs (7,441) |
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| 09/14/2004 | US6791245 Glow plug and spark plug, and manufacturing method therefor |
| 09/14/2004 | US6790113 Method and apparatus for making spark plug |
| 09/09/2004 | US20040173588 Method for joining an electrode to a precious-metal section |
| 09/09/2004 | US20040173194 Ignition coil,and internal combustion engine ignition device |
| 09/01/2004 | EP1299931B1 Ignition device, in particular, spark plug |
| 08/26/2004 | DE202004007794U1 Spark plug for motor vehicle internal combustion engine has space around main electrode connected via two passages to Venturi formed in tip area of plug |
| 08/25/2004 | EP1312144A4 Ignition device having a firing tip formed from a yttrium-stabilized platinum-tungsten alloy |
| 08/25/2004 | CN1523721A Inverted arc sparking plug with annular-laminar electrode |
| 08/18/2004 | CN1522340A Coil on plug inductive sampling method and apparatus |
| 08/17/2004 | US6776147 Ignition coil assembly for engine |
| 08/12/2004 | DE19843712B4 Zündkerze Spark plug |
| 08/11/2004 | EP1444760A1 Spark plug |
| 08/10/2004 | CA2246172C Spark plug and an internal combustion engine igniting system using the same |
| 08/04/2004 | CN2631077Y Energy-saving efficient enviromental-protection spark plug |
| 08/03/2004 | US6771009 Spark plug |
| 07/29/2004 | WO2004063560A1 System and method for generating and sustaining a corona electric discharge for igniting a combustible gaseous mixture |
| 07/28/2004 | EP1440498A1 Rod coil for ignition systems |
| 07/28/2004 | EP1440497A1 Connecting device for ignition systems of internal combustion engines |
| 07/28/2004 | CN2629293Y Series capacitance ring-shape multi-pole sparking plug |
| 07/27/2004 | US6768249 Spark plug and producing method therefor |
| 07/22/2004 | US20040140745 Spark plug |
| 07/22/2004 | DE10354439A1 Zündkerze und Herstellungsverfahren dafür A spark plug and manufacturing method thereof |
| 07/21/2004 | EP1247317A4 Ignition plug and method of manufacture |
| 07/20/2004 | US6765340 Spark plug |
| 07/15/2004 | US20040135483 Spark plug |
| 07/15/2004 | DE10304138B3 Vehicle IC engine ignition coil with electrically-conductive modular elements for interference suppression stacked together between HV side of ignition coil and ignition plug |
| 07/13/2004 | US6762539 Spark plug for an internal combustion engine and method for production of a middle electrode for an internal combustion engine spark plug |
| 07/08/2004 | US20040129683 Spark plug and method for manufacturing the same |
| 07/08/2004 | US20040129241 System and method for generating and sustaining a corona electric discharge for igniting a combustible gaseous mixture |
| 07/08/2004 | DE4414545B4 Zündkerze Spark plug |
| 07/08/2004 | DE4409412B4 Zündkerze und Verfahren zu ihrer Herstellung Spark plug and method for their preparation |
| 07/07/2004 | EP1110284B1 Spark plug electrode |
| 07/06/2004 | US6759796 Compact spark plug and method for its production |
| 07/06/2004 | US6759795 Spark plug |
| 07/06/2004 | CA2268764C Method and apparatus for inspecting spark plug while spark plug is installed in engine |
| 07/01/2004 | US20040123852 Ignition coil assembly for engine |
| 07/01/2004 | DE10357507A1 Zündkerze Spark plug |
| 06/30/2004 | EP1434326A2 Spark plug with built-in resistor |
| 06/30/2004 | EP1434325A2 Spark plug |
| 06/30/2004 | EP1434324A2 Spark plug |
| 06/30/2004 | EP1434323A2 Spark plug |
| 06/30/2004 | EP1434322A1 Spark plug |
| 06/29/2004 | US6756722 Method for fabricating spark plug with piezoelectric sensor and spark plug fabricated by the same |
| 06/29/2004 | US6755175 Direct injection of fuels in internal combustion engines |
| 06/24/2004 | US20040118194 Apparatus and method for starter RPM detection |
| 06/24/2004 | DE10255187A1 Joining electrode of spark plug to precious metal section comprises joining precious metal section with electrode using heat from laser beam |
| 06/23/2004 | EP1430576A1 Spark plug |
| 06/22/2004 | USRE38536 Spark plug and method of producing the same |
| 06/22/2004 | US6752677 Method for producing spark plug |
| 06/22/2004 | US6752109 Ignition electrode arrangement at an internal combustion engine |
| 06/17/2004 | US20040115976 Spark plug |
| 06/17/2004 | US20040113735 Ignition coil device |
| 06/17/2004 | US20040113628 Method for inspecting ignition device for internal combustion engine and inspection device |
| 06/17/2004 | US20040112351 Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber |
| 06/17/2004 | US20040112328 Combined fuel injection valve/ignition plug |
| 06/17/2004 | DE10356742A1 Zündspulenvorrichtung Ignition coil |
| 06/16/2004 | CN1505858A Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber |
| 06/15/2004 | US6750598 Spark plug |
| 06/15/2004 | US6750597 Method for manufacturing spark plug and spark plug |
| 06/09/2004 | CN1502978A Tester for air conditioner |
| 06/08/2004 | US6747540 Ignition coil for internal combustion engine |
| 06/08/2004 | US6745744 Combustion enhancement system and method |
| 06/03/2004 | WO2004046652A2 Device and method for detecting anomolies in a wire and related sensing methods |
| 06/03/2004 | DE10252736A1 Spark plug for engines comprises an electrode having an electrode section made from a copper-containing alloy on an end section |
| 06/01/2004 | US6744189 Spark plug |
| 06/01/2004 | US6744188 Reduced lead oxide content in glaze; impact strength |
| 05/27/2004 | US20040100179 Spark plug having an encapsulated electrode gap |
| 05/27/2004 | US20040100178 Spark plug and its manufacturing method |
| 05/27/2004 | DE10207550B4 Zündvorrichtung für eine Brennkraftmaschine An ignition apparatus for an internal combustion engine |
| 05/26/2004 | CN2618340Y Spark plug |
| 05/26/2004 | CN1499686A Ignition plug for I.C. engine |
| 05/25/2004 | US6741015 Spark plug |
| 05/19/2004 | EP1222383A4 Direct injection of fuels in internal combustion engines |
| 05/19/2004 | DE10259545B3 High voltage connection for an internal combustion engine spark plug has a spout shrouding the delivery connection of a rubber elastic material screwed to the dome to remain in place when the connection is broken |
| 05/13/2004 | WO2004040723A1 Electric spark plug |
| 05/13/2004 | US20040092193 Method of manufacturing spark plug |
| 05/13/2004 | DE10346580A1 Zündkerze mit elastisch und plastisch verbesserter Dichtung Spark plug with improved elastic and plastic seal |
| 05/06/2004 | US20040084033 Ignition device for improving ignition spark intensity for a plug cord for an internal combustion engine and direct ignition system for an internal combustion engine, and method for connecting the same |
| 05/06/2004 | US20040084001 Multiple sparking ignition device |
| 05/06/2004 | EP1416599A2 Spark plug and method for manufacturing the same |
| 05/06/2004 | EP1416157A1 Ignition coil, and internal combustion engine ignition device |
| 05/06/2004 | EP1415086A1 Coil on plug inductive sampling method and apparatus |
| 05/06/2004 | DE4429272B4 Zündkerze für einen Verbrennungsmotor A spark plug for an internal combustion engine |
| 05/06/2004 | DE19939319B4 Zündkerze für eine Brennkraftmaschine A spark plug for an internal combustion engine |
| 05/04/2004 | US6731052 Spark plug having ground electrode having cross section with side surface opposite center electrode of smaller width than opposing side surface |
| 04/29/2004 | WO2004036709A1 Precombustion chamber ignition device made of a material with high thermal conductivity for an internal combustion engine, and precombustion chamber igniter |
| 04/29/2004 | US20040080252 Spark plug for use in internal combustion engine |
| 04/29/2004 | US20040079139 Ignition apparatus for internal combustion engine |
| 04/29/2004 | US20040078972 Manufacturing method for a spark plug |
| 04/29/2004 | US20040078971 Method of manufacturing center electrode for spark plug |
| 04/28/2004 | EP1414121A1 Spark plug |
| 04/28/2004 | EP1414120A2 Spark plug for use in internal combustion engine |
| 04/28/2004 | EP1413029A1 Method for placing a precious metal tip on an electrode, electrode and spark plug |
| 04/28/2004 | EP1413028A1 Spark plug |
| 04/22/2004 | US20040075517 Rod coil for ignition systems |
| 04/22/2004 | DE10254850B3 Rod ignition coil for automobile IC engine ignition system has HV spark gap used as electrical connection between secondary wire and spark lug terminal contact |
| 04/22/2004 | DE10085340T5 Zündelektrode mit verstellbarem Zündspalt Ignition electrode with adjustable spark gap |
| 04/21/2004 | EP1411221A2 Prechamber ignition device for an IC engine |
| 04/21/2004 | CN2613078Y Flat ring spark plug for gasoline internal combustion engine |
| 04/20/2004 | US6724133 Spark plug with nickel alloy electrode base material |