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 21 - Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
Patents for H01T 21 - Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs (1,750)
02/2013
02/20/2013EP2559118A1 Igniter including a corona enhancing electrode tip
02/20/2013CN202749680U Power supply auxiliary gap with discharge protection
02/14/2013US20130038198 Spark plug for internal combustion engine and method of manufacturing the spark plug
02/13/2013CN101868893B Spark plug for internal combustion engine and method of manufacturing spark plug
02/12/2013US8371889 Spark plug manufacturing method and spark plug manufacturing apparatus
02/06/2013EP2553780A1 Spark ignition device and ground electrode therefor and methods of construction thereof
02/05/2013US8368293 Spark plug and method of manufacturing the same
01/2013
01/23/2013CN102893468A Spark ignition device and ground electrode therefor and methods of construction thereof
01/16/2013EP2546938A1 Spark plug, main fitting used for spark plug and spark plug manufacturing method
01/10/2013US20130012094 Spark ignition device and ground electrode therefor and methods of construction thereof
01/10/2013US20130009534 Igniter plug and method of manufacturing igniter plug
01/09/2013CN102545063B Sectional type lightning guide strip and manufacturing method thereof
01/03/2013US20130002122 Spark plug electrode configuration
01/03/2013US20130002121 Electrode material for a spark plug
01/03/2013US20130002120 Spark plug, metal shell for spark plug, and method of manufacturing spark plug
01/02/2013CN102859817A Igniter including a corona enhancing electrode tip
01/02/2013CN102859815A Spark plug for internal combustion engine and method of manufacturing spark plug
01/02/2013CN102856792A Composite alumina insulator spark plug and manufacturing method thereof
01/02/2013CN102856791A Power supply auxiliary gap with electric discharge protection
01/02/2013CN101772870B Spark plug for internal combustion engine and method of producing the same
01/01/2013US8344605 Spark plug and manufacturing method therefor
01/01/2013US8344604 Spark plug for internal combustion engine
12/2012
12/26/2012CN102522701B Laser welding method of side electrode precious metal of spark plug
12/26/2012CN101842948B Ignition device having an induction welded and laser weld reinforced firing tip and method of construction
12/25/2012US8337269 Method of manufacturing a spark plug having a platinum alloy electrode
12/25/2012US8337268 Method of making spark plug casing and spark plug having the spark plug casing
12/20/2012US20120319556 Spark plug and method for manufacturing spark plug
12/13/2012WO2012167972A1 Electrode for an ignition plug and method for the production thereof
12/13/2012WO2012082583A3 Corona ignition device having asymmetric firing tip
12/12/2012CN101861685B 内燃机用火花塞 Internal combustion engines with spark plugs
12/06/2012US20120306345 Spark Plug
12/04/2012US8324792 Pre-chamber spark plug
12/04/2012US8324791 Spark plug for internal combustion engine
11/2012
11/29/2012WO2012161886A1 Anti-fouling spark plug and method of making
11/29/2012US20120299459 Spark plug and method of manufacturing spark plug
11/29/2012US20120299457 Anti-fouling spark plug and method of making
11/29/2012US20120298648 Crimping method and crimping system
11/27/2012US8319409 Spark plug with ground electrode having widened and narrowed width portions
11/27/2012US8317560 Method for producing a spark plug electrode
11/21/2012EP2525452A1 Spark plug and method of manufacturing spark plug
11/21/2012CN102792536A Spark plug, main fitting used for spark plug and spark plug manufacturing method
11/21/2012CN102790359A Powder adding device for spark plug
11/15/2012US20120289115 Spark plug for internal combustion engine and manufacturing method thereof
11/08/2012US20120279468 Corona igniter having controlled location of corona formation
11/07/2012CN102769253A Device and method for quick closing of an electric circuit and a use of the device
11/01/2012WO2012147262A1 Spark plug and production method therefor
11/01/2012US20120274200 Spark plug having improved ground electrode orientation and method of forming
10/2012
10/31/2012EP2517323A1 Spark plug having a hole for adjustment
10/31/2012CN202513442U Resistance type spark plug
10/30/2012US8298030 Spark plug manufacturing method, and spark plug
10/18/2012WO2012140838A1 Method for manufacturing spark plug
10/18/2012US20120264344 Method of making spark plug casing and spark plug having the spark plug casing
10/18/2012US20120262049 Spark plug and process for producing spark plug
10/18/2012US20120262048 Iridium alloy for spark plug electrodes
10/17/2012CN202495679U Chip-type lateral-electrode ignition end of precious-metal spark plug
10/17/2012CN202495678U Cylindrical lateral-electrode ignition end of precious-metal spark plug
10/17/2012CN102738709A Method for manufacturing spark plug
10/11/2012WO2012137571A1 Ozone generating device
10/11/2012US20120258644 Spark plug manufacturing method
10/11/2012US20120256531 Spark plug having a hole for adjustment
10/04/2012US20120252298 Method of manufacturing spark plug
10/03/2012EP2504896A2 Spark plug with volume-stable electrode material
09/2012
09/26/2012CN102694344A Isostatic-pressing-press counterdie ejection device for spark plug ceramics and ceramic sundries products
09/26/2012CN101657944B Spark plug manufacturing method
09/25/2012US8272909 Method of assembling a small-diameter spark plug with resistive seal
09/20/2012US20120235555 Spark plug and method for the production thereof
09/20/2012DE102011014257A1 Zündkerze und Verfahren zur Herstellung Spark plug and method for producing
09/19/2012CN102684075A Spark plug and method for the production thereof
09/19/2012CN102684074A Spark plug and manufacturing method thereof
09/13/2012WO2012120757A1 Spark plug manufacturing method
09/13/2012DE102011013657A1 Method for adjusting distance between electrodes of spark plug of stationary engine, involves setting outer diameter of the case smaller than target spacing between center electrode and ground electrodes
09/04/2012US8257127 Method for manufacturing ignition plug
08/2012
08/30/2012US20120220180 Platinum alloy for spark plug electrodes and spark plug having a platinum alloy electrode
08/29/2012EP2493036A1 Spark plug and method for producing spark plug
08/23/2012US20120212313 Corona igniter with improved energy efficiency
08/23/2012DE102012101105A1 Zündkerze Spark plug
08/22/2012CN101645581B Ionizer having mechanism for cleaning discharge electrodes
08/16/2012US20120208424 Method for manufacturing spark plug
08/15/2012EP1782513B1 Ignition device having an electrode tip formed from an iridium-based alloy
08/09/2012DE102012100872A1 Verfahren zur Herstellung einer Zündkerze A method for manufacturing a spark plug
08/08/2012CN102629735A Method for manufacturing spark plug
08/08/2012CN102629734A Spark plug and manufacture method thereof
08/02/2012US20120196498 Method of manufacturing a spark plug electrode and a spark plug
08/02/2012US20120194056 Electrode material for a spark plug
08/02/2012DE102012100716A1 Method of manufacturing spark plug involves outer periphery of insulating structure of spark plug, exposed in direction of rear end side or faces rear end of metal housing through hollow cylindrical insulating structure-supporting device
08/02/2012DE102012100475A1 Verfahren zur Herstellung von Elektroden für eine Zündkerze und Verfahren zur Herstellung einer Zündkerze Process for the preparation of electrodes for a spark plug and method for manufacturing a spark plug
08/01/2012EP2482396A1 Spark plug and process for producing spark plug
08/01/2012CN102623897A Method of manufacturing a spark plug electrode and a spark plug
07/2012
07/26/2012WO2012098905A1 Manufacturing method for spark plug
07/26/2012US20120190266 Method for manufacturing spark plug for internal-combustion engine
07/26/2012US20120187820 Spark plug and method of manufacturing the same
07/26/2012US20120187819 Spark plug and process for producing spark plug
07/26/2012US20120186723 Ti3SiC2 BASED MATERIAL, ELECTRODE, SPARK PLUG AND MANUFACTURING METHOD THEREOF
07/25/2012CN102611006A Side electrode ignition end fabrication method of noble metal spark plug and side electrode
07/25/2012CN102611004A Surge absorption tube and manufacturing method thereof
07/25/2012CN102610344A Resistor body and preparation method thereof, and spark plug and preparation method thereof
07/25/2012CN102122799B Spark plug and method for producing spark plug
07/25/2012CN102122798B Spark plug and method for producing spark plug
07/19/2012WO2012097290A1 Corona igniter having controlled location of corona formation
07/19/2012WO2012097244A1 Spark plug having improved ground electrode orientation and method of forming
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