Patents
Patents for H01T 21 - Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs (1,750)
07/2012
07/19/2012US20120184171 Method for manufacturing ignition plug
07/19/2012US20120181916 Corona igniter having shaped insulator
07/18/2012EP2477287A1 Spark plug
07/18/2012CN102598441A Spark plug for internal combustion engine and method for manufacturing same
07/18/2012CN102593721A Spark plug and manufacturing method thereof
07/18/2012CN101752794B Control method of consistency and stability of firing voltage of ignition discharge tube
07/18/2012CN101540478B Insulator for spark plug, and method for manufacturing spark plug
07/17/2012US8222803 Spark plug and manufacturing method thereof
07/12/2012US20120176724 Corona igniter including ignition coil with improved isolation
07/12/2012US20120176020 Spark ignition device and ground electrode therefor and methods of construction thereof
07/12/2012US20120176019 Spark plug
07/11/2012CN102576986A 火花塞 Spark Plug
07/11/2012CN102576982A Spark plug and method for producing spark plug
07/11/2012CN102576981A Esd protection device and manufacturing method thereof
07/11/2012CN102570314A Spark plug and method of manufacturing the same
07/10/2012US8216015 High thread ground shield
07/05/2012WO2012092432A1 Corona igniter having improved gap control
07/04/2012EP2472683A2 Device and method for circuit protection
07/04/2012EP2472682A1 Spark plug for internal combustion engine and method for manufacturing same
07/04/2012EP2472681A2 Device and method for circuit protection
07/04/2012CN202308777U 一种发动机带屏蔽高压包 An engine ignition coil with shielding
07/04/2012CN102549861A Spark plug and process for producing spark plug
07/04/2012CN102545063A Sectional type lightning guide strip and manufacturing method thereof
07/03/2012US8212463 Spark plug and its manufacturing method
07/03/2012US8212461 Spark plug for internal combustion engine
06/2012
06/27/2012CN102522701A Laser welding method of side electrode precious metal of spark plug
06/27/2012CN101652908B Spark plug manufacturing method
06/27/2012CN101632205B Spark plug manufacturing method, and spark plug
06/27/2012CN101346859B Method for manufacturing spark plug and spark plug
06/26/2012US8207657 Spark plug and method of manufacturing the same
06/26/2012US8206194 Method for affixing the insulator and the metallic shell of a spark plug
06/21/2012WO2012082868A1 Corona igniter with improved corona control
06/21/2012WO2012081654A1 Inspection device for article being inspected, spark plug inspection method, and method for manufacturing spark plug
06/21/2012US20120153801 Spark plug and method for producing spark plug
06/20/2012EP2465173A2 Spark plug including electrodes with low swelling rate and high corrosion resistance
06/14/2012US20120146484 Spark plug for internal combustion engine and method of manufacturing spark plug
06/14/2012US20120146483 Structure of spark plug designed to ensure improved productivity
06/13/2012CN101958513B Manufacturing method of gas spark switch electrode holder
06/13/2012CN101359811B Spark plug for internal combustion engine and method of manufacturing the same
06/12/2012US8198791 Spark plug, and method for manufacturing the same
06/07/2012US20120142244 Method of manufacturing center electrode and spark plug
06/07/2012US20120142243 High power discharge fuel ignitor
06/06/2012EP2461439A2 Method of manufacturing center electrode and spark plug
06/06/2012EP2461438A1 Manufacturing apparatus and manufacturing method for sparkplugs
06/06/2012CN101447648B Manufacturing method of noble metal center electrode of spark plug and center electrode
05/2012
05/31/2012WO2012070409A1 Method and device for manufacturing spark plug
05/30/2012CN101218721B Ignition device having a reflowed firing tip and method of making
05/24/2012WO2012067199A1 Spark plug
05/24/2012US20120126682 Spark plug with ceramic electrode tip
05/24/2012US20120125279 Pre-chamber spark plug with tubular electrode and method of manufacturing same
05/23/2012EP2456027A1 Encapsulation of a high frequency resonator for the ignition system of an internal combustion engine
05/23/2012EP2454788A2 Spark plug including high temperature performance electrode
05/23/2012CN102474080A 火花塞及火花塞的制造方法 The method of manufacturing a spark plug and the spark plug
05/23/2012CN101689753B Spark plug and its manufacturing method
05/23/2012CN101521356B Insulator for spark plug, and method for manufacturing spark plug
05/23/2012CN101483319B Sparking plug electrode material, production method, and sparking plug using the electrode material
05/23/2012CN101068067B Method for manufacturing spark plug
05/23/2012CN101068066B Method and device for manufacturing spark plug
05/22/2012US8183754 Alumina-based sintered body for spark plug and method of manufacturing the same, and spark plug and method of manufacturing the same
05/16/2012EP2453536A1 Esd protection device and manufacturing method thereof
05/10/2012US20120112621 Spark plug with undercut insulator and one piece shell
05/10/2012US20120112620 Non-thermal plasma ignition arc suppression
05/10/2012US20120112619 Spark plug and method of manufacturing the same
05/09/2012EP2451034A1 Spark plug and process for producing spark plug
05/03/2012WO2012058140A2 Non-thermal plasma ignition arc suppression
05/02/2012EP2447959A1 Esd protection device and method for manufacturing same
05/02/2012CN102437513A ESD protection device and manufacturing method therefor
05/02/2012CN101388524B Air cleaning dust removing apparatus
05/01/2012US8167673 Method for manufacturing a spark plug having a laterally oriented ground electrode
04/2012
04/19/2012WO2012049403A1 Short-circuit prevention in an rf spark plug
04/11/2012EP2439823A2 Plasma jet ignition plug and manufacturing method thereof
04/05/2012WO2012042801A1 Spark plug
04/05/2012WO2012042758A1 Spark plug and manufacturing method for same
04/05/2012US20120080995 Plasma jet ignition plug and manufacturing method thereof
04/04/2012EP2437362A2 ESD protection device and manufacturing method therefor
03/2012
03/29/2012WO2012039381A1 Method of manufacturing electrode complex for forming electrode of spark-plug, and method of manufacturing spark plug
03/29/2012US20120074830 Encapsulated metal microtip microplasma devices, arrays and fabrication methods
03/29/2012US20120074828 Spark plug and manufacturing method thereof
03/28/2012EP2434595A2 Spark plug and manufacturing method therof
03/28/2012CN102394474A Spark plug and its method of production
03/28/2012CN102394473A Spark plug and its manufacturing method
03/21/2012EP2432088A2 Electrode and plasma gun configuration for use with a circuit protection device
03/21/2012EP2432086A2 Adjustable arc electrode assembly and method of assembling
03/15/2012WO2012033148A1 Esd protective structure and method for producing same
03/15/2012US20120062098 Method of manufacturing a spark plug
03/14/2012CN102379072A Method of manufacturing sparkplugs
03/06/2012US8128446 Method for manufacturing a spark plug insulator including steps for forming a through hole therein
02/2012
02/29/2012CN102365799A Manufacturing apparatus and manufacturing method for sparkplugs
02/23/2012WO2012022307A1 Production method for an electric component and electric component
02/23/2012WO2011036832A9 Spark plug and process for producing spark plug
02/22/2012CN102361222A Insulator for spark plug, and method for manufacturing spark plug
02/08/2012EP2416461A1 Method of manufacturing sparkplugs
02/08/2012CN101632206B 火花塞及其制造方法 And a method of manufacturing the spark plug
02/02/2012US20120028530 High thread ground shield
02/02/2012US20120025690 Spark plug and its method of production
02/01/2012EP2413442A2 Method for manufacturing an ignition electrode for a pre-chamber spark plug and pre-chamber spark plug
02/01/2012EP1787367B1 Ignition device having a reflowed firing tip and method of making
01/2012
01/25/2012CN102332683A Hf ignition device
01/25/2012CN102332682A 火花塞及其制造方法 A spark plug and a manufacturing method
01/25/2012CN101553661B Spark plug with welded sleeve on electrode
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