| Patents for H01T 13 - Sparking plugs (7,441) |
|---|
| 01/12/2005 | EP1221187B1 Method of manufacturing a spark plug with concentrically disposed double ring ground electrode |
| 01/12/2005 | CN1564408A Electromagnetic core multipoint lap spark plug |
| 01/12/2005 | CN1563697A Double ceramic ring polar reverse-arc spark plug |
| 01/11/2005 | US6842099 Rod coil for ignition systems |
| 01/06/2005 | US20050001526 Spark plug |
| 01/06/2005 | US20050000484 Pre-chambered type spark plug with a flat bottom being aligned with a bottom surface of a cylinder head |
| 01/05/2005 | EP1492953A1 Combined fuel injection valve/ignition plug |
| 01/05/2005 | DE10326269A1 Spark plug for large-scale gas engine operated with weak fuel mixture and/or exhaust gas feedback has auxiliary pre-chamber provided by fitting vent chamber with cover |
| 01/04/2005 | US6838809 Chromate film-containing plug metal component and method for producing the same |
| 01/04/2005 | CA2343124C Spark plug ultrasound whistle |
| 12/30/2004 | US20040266306 Noble metal electric discharge chip manufacturing method and spark plug manufacturing method using the noble metal discharge chips |
| 12/30/2004 | US20040263041 Ignition device having an electrode tip formed from an iridium-based alloy |
| 12/23/2004 | US20040255888 Spark discharging device |
| 12/22/2004 | CN1556564A Ultra high energy spark plug |
| 12/22/2004 | CN1556321A Cage type sparkplug combustion system |
| 12/21/2004 | US6833658 Middle electrode with precious metal reinforcement and a process for producing the same |
| 12/15/2004 | CN2663969Y Combined system for testing refrigeration and heat-production performance of air conditioner |
| 12/15/2004 | CN1554862A Burning system of spark plug ignition room |
| 12/14/2004 | US6831397 Spark plug and a method of producing the same |
| 12/14/2004 | US6831396 Spark plug with glaze and marking |
| 12/14/2004 | US6831395 Spark plug |
| 12/09/2004 | WO2004107518A1 Ignition plugs for internal combustion engine |
| 12/09/2004 | WO2004107517A1 Spark plug |
| 12/09/2004 | US20040244753 Internal combustion engine |
| 12/08/2004 | EP1484826A1 Internal combustion engine |
| 12/07/2004 | US6827620 Method of manufacturing spark plug with noble metal chip for internal combustion engine |
| 12/02/2004 | WO2004105204A1 Spark plug |
| 12/02/2004 | WO2004105203A1 Spark plug and method for producing same |
| 12/02/2004 | US20040239224 Spark plug for an internal combusition engine |
| 12/02/2004 | US20040239223 Spark plug |
| 12/02/2004 | US20040239222 Spark plug |
| 12/02/2004 | DE10239414B4 Vorrichtung zum Zünden eines Luft-Kraftstoff-Gemischs in einem Verbrennungsmotor A device for igniting an air-fuel mixture in an internal combustion engine |
| 12/01/2004 | EP1074077B1 Insulator shield for spark plug |
| 12/01/2004 | CN2660747Y 高能火花塞 High energy spark plug |
| 11/24/2004 | EP1478846A1 Electronic module for internal combustion engine ignition coil |
| 11/24/2004 | CN2658981Y Plug cap and its structure |
| 11/24/2004 | CN1549412A Injecting sparking plug |
| 11/23/2004 | US6822378 Glaze layer for a spark plug |
| 11/23/2004 | US6822377 Ignition device and method for producing it |
| 11/18/2004 | DE10319698A1 Spark plug for I.C. engines comprises a middle electrode made from a material other than precious metals and a mass electrodes |
| 11/17/2004 | EP1476926A1 Prechamber spark plug and a method for producing the same |
| 11/16/2004 | US6819033 Spark plug and method of manufacturing same |
| 11/16/2004 | US6819032 Spark plug having resistance against smoldering, long lifetime, and excellent ignitability |
| 11/16/2004 | US6819031 Spark plug and a method of producing the same |
| 11/16/2004 | US6819030 Spark plug |
| 11/16/2004 | US6817350 Ignition device for an internal combustion engine |
| 11/11/2004 | US20040222728 Spark plug |
| 11/11/2004 | DE102004018272A1 Herstellungsverfahren und Herstellungsvorrichtung für eine Zündkerze Production method and production apparatus for a spark plug |
| 11/10/2004 | CN2655479Y Multi-point igniting spark-plug |
| 11/04/2004 | US20040216723 Ignition coil having a connecting device for contacting a spark plug |
| 11/04/2004 | DE102004015852A1 Mehrpunktzündkerze Mehrpunktzündkerze |
| 11/03/2004 | EP1473810A2 Method for producing a chromate film-containing plug metal component |
| 11/03/2004 | CN2653748Y Energy saving environment protection sparking plug |
| 11/03/2004 | CN1174166C Direct injection of fuels in IC engine |
| 11/02/2004 | US6810868 Ignition coil for internal combustion engine |
| 11/02/2004 | US6810847 Charge dissipative cover for spark plug, ignition wire and boot |
| 10/28/2004 | DE102004018113A1 Verfahren zur Herstellung von elektrischen Entladungschips aus Edelmetall und Verfahren zur Herstellung von Zündkerzen unter Verwendung der Entladungschips aus Edelmetall A process for the manufacture of electric discharge chips made of precious metal and method for producing spark plugs using the chips discharge from the noble metal |
| 10/26/2004 | US6809621 Internal combustion engine ignition coil, and method of producing the same |
| 10/26/2004 | US6809463 Spark plug and method for manufacturing the spark plug |
| 10/26/2004 | US6807933 Multiple sparking ignition device |
| 10/21/2004 | DE10314063A1 Aufsteckbare Stabzündspule Push-rod ignition coil |
| 10/20/2004 | CN2650361Y Fuel-saving multi-stage discharge spark plug |
| 10/20/2004 | CN2650360Y Spark plug |
| 10/19/2004 | US6806628 Spark plug |
| 10/13/2004 | EP1286442B1 A spark plug for an internal combustion engine |
| 10/13/2004 | CN1171362C Distribution line plug |
| 10/12/2004 | CA2144489C Precombustion chamber device |
| 10/07/2004 | WO2004086581A1 Spark plug comprising an insulator and a housing |
| 10/07/2004 | WO2004085839A1 Detecting fields from different ignition coils using adjustable probe |
| 10/07/2004 | WO2004085837A1 Attachable rod ignition coil |
| 10/07/2004 | US20040195949 Multi-point spark plug |
| 10/07/2004 | US20040194768 Ignition spark enhancing device |
| 10/06/2004 | CN2646909Y Spark plug thermal value adjusting structure |
| 10/05/2004 | US6799367 Manufacturing method for a spark plug |
| 09/30/2004 | WO2004084367A1 Spark plug and method for producing it |
| 09/30/2004 | US20040189320 Electrical high tension tester |
| 09/30/2004 | US20040189169 Method for manufacturing a spark plug, and spark plug |
| 09/30/2004 | DE10312791A1 Zündkerze mit einem Isolator und einem Gehäuse A spark plug comprising an insulator and a housing |
| 09/30/2004 | DE10227513B9 Zündkerze Spark plug |
| 09/30/2004 | DE10205751B4 Zündeinrichtung, insbesondere Zündkerze für Brennkraftmaschinen Ignition device, in particular spark plug for internal combustion engines |
| 09/28/2004 | US6798125 Spark plug having ground electrode made of NI alloy and noble metal wear resistant portion |
| 09/28/2004 | US6798124 Structure of spark plug designed to provide high thermal resistance and durability |
| 09/28/2004 | US6796299 Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber |
| 09/28/2004 | CA2424010A1 Electrical high tension tester |
| 09/28/2004 | CA2297245C Spark plug |
| 09/23/2004 | US20040183539 Detecting field from different ignition coils using adjustable probe |
| 09/23/2004 | US20040183419 Glow plug and spark plug, and manufacturing method therefor |
| 09/23/2004 | US20040183418 Ignition device having an electrode formed from an iridium-based alloy |
| 09/23/2004 | DE4431143B4 Zündkerze für eine Brennkraftmaschine A spark plug for an internal combustion engine |
| 09/23/2004 | DE10252736B4 Zündkerze Spark plug |
| 09/21/2004 | US6794804 Production method of spark plug designed to provide high temperature oxidation resistance and weld strength and spark plug produced thereby |
| 09/21/2004 | US6794803 Spark plug for an internal combustion engine |
| 09/21/2004 | US6794802 Spark plug for an internal combustion engine and method for producing a spark plug |
| 09/21/2004 | US6793863 Process for producing a spark plug boot resistor assembly |
| 09/21/2004 | CA2393493C Spark unit for combustion-powered driving tool |
| 09/16/2004 | DE10035392B4 Integrierte Zündkerzenzündspule mit Drucksensor für einen Verbrennungsmotor Integrated Zündkerzenzündspule with pressure sensor for an internal combustion engine |
| 09/15/2004 | EP1457671A1 Ignition coil assembly |
| 09/15/2004 | EP1456922A1 Sealing device and sealing method |
| 09/15/2004 | EP1456529A1 Combined fuel injection valve/ignition plug |
| 09/15/2004 | CN1529393A Skirt type spark plug device |