216305 ⎘
Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs
Spark ignition device and ground electrode therefor and methods of construction thereof
#302Spark ignition device and ground electrode therefor and methods of construction thereof
#303Igniter plug with cooling fluid and method of manufacturing igniter plug
#304Spark plug electrode configuration
#305Electrode material for a spark plug
#306High thread spark plug with undercut insulator
#307Spark plug and method for manufacturing spark plug
#308Spark plug
#309Spark plug
#310Spark plug and method of manufacturing spark plug
#311Anti-fouling spark plug and method of making
#312Spark plug for internal combustion engine and manufacturing method thereof
#313Corona igniter having controlled location of corona formation
#314Spark plug having improved ground electrode orientation and method of forming
#315Spark plug and process for producing spark plug
#316Spark plug manufacturing method
#317Method of manufacturing spark plug
#318Spark plug and method for the production thereof
#319Electrode material for a spark plug
#320CORONA IGNITER WITH IMPROVED CORONA CONTROL
#321Method for manufacturing a spark plug for preventing deformation caused by cutting a center electrode
#322Corona ignition device having asymmetric firing tip
#323Method of manufacturing a spark plug electrode and a spark plug
#324Electrode material for a spark plug
#325Corona igniter having improved gap control
#326Spark plug and method of manufacturing the same
#327TiSiCbased material, electrode, spark plug and manufacturing method thereof
#328Method for manufacturing ignition plug
#329Corona igniter including ignition coil with improved isolation
#330Spark ignition device and ground electrode therefor and methods of construction thereof
#331Spark plug
#332Spark plug
#333Anti-fouling spark plug and method of making
#334Spark plug for internal combustion engine and method of manufacturing spark plug
#335Structure of spark plug designed to ensure improved productivity
#336Method of manufacturing center electrode and spark plug
#337High power discharge fuel ignitor
#338Igniter for igniting a fuel/air mixture in an internal combustion engine using a corona discharge
#339Anti-fouling spark plug and method of making
#340Spark plug with ceramic electrode tip
#341Pre-chamber spark plug with tubular electrode and method of manufacturing same
#342Spark plug with undercut insulator and one piece shell
#343Non-thermal plasma ignition arc suppression
#344Spark plug and method of manufacturing the same
#345Spark plug with undercut insulator
#346Attaching a precious metal component to spark plug electrode and spark plug having the same
#347Plasma jet ignition plug and manufacturing method thereof
#348Spark plug and manufacturing method thereof
#349Ceramic Spark Plug Insulator And Method Of Making
#350Spark plug having a substantially columnar electrode tip welded to a component thereof
#351Method of manufacturing a spark plug having electrode cage secured to the shell
#352Insulator for spark plug, and method for manufacturing spark plug
#353Composite ceramic electrode and ignition device therewith
#354Spark plug and its method of production
#355Prechamber spark plug
#356Spark plug
#357Method of manufacturing sparkplugs
#358Ceramic electrode, ignition device therewith and methods of construction thereof
#359Spark plug and its manufacturing method
#360Manufacturing apparatus and manufacturing method for spark plugs
#361Spark plug for internal combustion engine having a ground electrode with a protrusion having improved erosion resistance and method of manufacturing same
#362Spark plug and manufacturing method thereof
#363Method of assembling a small-diameter spark plug with resistive seal
#364Igniter assembly including arcing reduction features
#365Spark ignition device and ground electrode therefor and methods of construction thereof
#366Igniter including a corona enhancing electrode tip
#367High thread spark plug with undercut insulator
#368Spark plug and manufacturing method thereof
#369Spark ignition device for an internal combustion engine, metal shell therefor and methods of construction thereof
#370SPARK PLUG ELECTRODE AND METHOD OF MANUFACTURE
#371Spark plug and method for manufacturing a spark plug
#372Pre-chamber spark plug
#373Spark plug and manufacturing method therefor
#374COMPOSITE PRODUCED FROM INTERMETALLIC PHASES AND METAL
#375Spark plug and method of manufacturing the same
#376Spark plug and manufacturing method therefor
#377Spark plug and manufacturing method thereof
#378Spark plug and method of manufacturing the same
#379Method of manufacturing metal shell assembly for spark plug, method of manufacturing spark plug, and apparatus for manufacturing metal shell assembly for spark plug
#380Method for producing a spark plug electrode
#381Spark plug
#382Spark plug and process for producing same
#383Spark plug for internal combustion engine and method of manufacturing the same
#384Spark plug and method of manufacturing the same
#385Spark plug with volume-stable electrode material
#386Method for affixing the insulator and the metallic shell of a spark plug
#387Alumina ceramic for spark plug insulator
#388Ignition Device Having a Reflowed Firing Tip and Method of Construction
#389Method of producing a spark plug
#390Spark plug, and method for manufacturing the same
#391Plasma jet spark plug
#392Spark plug including electrodes with low swelling rate and high corrosion resistance
#393Spark plug center electrode with reduced cover portion thickness
#394Spark plug including high temperature performance electrode
#395INSULATOR FOR SPARK PLUG, PROCESS FOR PRODUCING THE INSULATOR, SPARK PLUG, AND PROCESS FOR PRODUCING THE SPARK PLUG
#396SPARK PLUG HAVING LONG SERVICE LIFE
#397Spark plug and method of manufacturing the same
#398Method for producing spark plug and spark plug
#399Spark plug
#400Spark plug for internal combustion engine and method of manufacturing the same
#401SPARK PLUG ELECTRODE AND PROCESS FOR MAKING
#402Spark plug for internal combustion engine and method for manufacturing spark plug
#403Spark plug and process for producing the spark plug
#404SPARK PLUG AND PROCESS FOR PRODUCING THE SPARK PLUG
#405Spark plug for internal combustion engine and manufacturing method thereof
#406Method for welding tip of electrode in spark plug
#407Spark ignition device with bridging ground electrode and method of construction thereof
#408Method of manufacturing spark plug
#409Method of producing metallic shell for spark plug
#410Spark plug for internal combustion engines and method for manufacturing the spark plug
#411Method for manufacturing spark plug
#412Spark plug having a plastic upper insulator and method of construction
#413Spark plug electrode and method of making
#414Method of producing a spark plug via flared tip attachment
#415Alumina-based sintered body for spark plug and method of manufacturing the same, and spark plug and method of manufacturing the same
#416Spark plug and method for manufacturing spark plug
#417Spark plug and manufacturing method thereof
#418Method for manufacturing spark plug
#419Spark plug manufacturing method, and spark plug
#420Spark plug manufacturing method
#421Deflection inspecting device for spark plug insulator, deflection inspecting method for spark plug insulator, and manufacturing method for spark plug insulator
#422Spark plug, and its manufacturing method
#423Spark plug and methods of construction thereof
#424Composite ceramic electrode and ignition device therewith
#425Ceramic electrode, ignition device therewith and methods of construction thereof
#426METHOD OF MANUFACTURING SPARK PLUG
#427METHOD OF FORMING A SPARK PLUG INSULATOR
#428SPARK PLUG HAVING AN INSULATOR COMPOSED OF HIGH-PURITY ALUMINIUM OXIDE CERAMIC
#429Method of producing a spark plug that has a high dimensional accuracy in the spark gap
#430Method for applying a pin on an electrode base body
#431Pre-chamber spark plug
#432Spark plug for internal combustion engine
#433Noble metal alloy for spark plug and method for producing and processing the same
#434Ceramic spark plug insulator and method of making
#435Method for manufacturing a spark plug insulator including steps for forming a through hole therein
#436Manufacturing method for ignition plug involves removing leading end portion of shell extended from end surface of insulator
#437Method for manufacturing ignition plug
#438INSULATOR FOR SPARK PLUG, AND METHOD FOR MANUFACTURING SPARK PLUG
#439Method of producing spark plug, and spark plug
#440Spark plug with multi-layer firing tip
#441Spark plug for internal combustion engine and method for producing the spark plug
#442Spark plug for internal combustion engine having ground electrode with thick, thin and stepped portion and method for producing the spark plug
#443Spark plug for internal combustion engine
#444Spark plug having a metal fitting portion for holding an insulator at a portion opposite a tip end
#445Sparkplug with precision gap
#446Sparkplug having improved heat removal capabilities and method to recycle used sparkplugs
#447Spark plug and internal combustion engine in which the spark plug is disposed
#448Method for manufacturing a spark plug having a laterally oriented ground electrode
#449Spark plug for internal combustion engine and method of manufacturing the same
#450Apparatus and method of producing spark plug
#451Spark plug and method for production of a spark plug
#452Small-diameter spark plug with resistive seal
#453Plasma jet spark plug and manufacturing method therefor
#454Method for producing spark plug by projection welding and spark plug thereof
#455Spark plug and method for manufacturing the same
#456Spark plug electrode and process for making
#457Ignition device having an induction welded and laser weld reinforced firing tip and method of construction
#458Ignition device having an electrode with a platinum firing tip and method of construction
#459Spark plug and method of securing the mutual positioning of the body of the ceramic insulator with through central electrode and the thermally and electrically conductive casing with lateral electrode of the spark plug
#460Spark plug for internal combustion engine designed to keep ignitability of fuel high
#461Ignition device having a reflowed firing tip and method of construction
#462Spark plug having noble metal tip
#463High power discharge fuel ignitor
#464Alumina composite sintered body, evaluation method thereof and spark plug
#465Composite spark plug
#466Pre-chamber type spark plug
#467Spark plug used for an internal-combustion engine and a method for manufacturing the same
#468Spark plug
#469Spark plug for internal combustion engine and related manufacturing method
#470Spark plug for use in an internal-combustion engine with a bilayer ground electrode
#471Spark plug having a rear-end portion of a threaded portion that has a higher hardness than a crimp portion and method of manufacturing the same
#472Metallic insulator coating for high capacity spark plug
#473Spark plugs and methods of making the same
#474Method of forming a spark plug with multi-layer firing tip
#475Spark plug with noble metal chip joined by unique laser welding and fabrication method thereof
#476Spark plug with multi-layer firing tip
#477Spark plug with multi-layer firing tip
#478Spark plug having precious metal pad attached to ground electrode and method of making same
#479Method for manufacturing an ignition coil and corresponding ignition coil
#480Spark plug and method of manufacturing same
#481Spark plug including ground electrode with arcuately curved face
#482Method for manufacturing an ignition plug and ignition plug produced in that manner
#483Spark plug with welded sleeve on electrode
#484Method for regulating aground electrode position in spark plug
#485Spark plug
#486Spark plug
#487Method for securing a metal noble tip to an electrode of a spark plug using a resistance and laser welding process
#488Dual-spark pre-chambered spark igniter
#489Spark plug manufacturing apparatus and method of manufacturing spark plug
#490Spark plug and method for manufacturing the spark plug
#491Method and device for manufacturing a noble metal armored electrode for a sparking plug
#492Spark plug with excellent impact resistance conductive seal, and method for producing the same
#493Iridium alloy
#494Spark plug for internal combustion engine
#495Spark plug with specific electrode material
#496Spark plug
#497Spark plug with ground electrode having mechanically locked precious metal feature
#498Spark plug and method for producing it
#499Method of making a spark plug having a multi-tiered center wire assembly
#500Ignition device having a reflowed firing tip and method of making
#501Method of detecting protrudent adhered matters and method of making spark plug using the same
#502Spark plug having a specific structure of noble metal tip on ground electrode
#503Method for manufacturing a spark plug with glaze coating
#504Higher-performance spark plug and ramrod engine ignition system using piezo-electric enhancement components
#505Low cost spark plug manufactured from conductive loaded resin-based materials
#506Spark plug having a noble-metal chip and method for manufacturing the same
#507Method for producing a spark plug electrode
#508Spark plug with sealing ring around center electrode
#509Spark plug designed to ensure high strength of electrode joint and production method thereof
#510Sealing device and sealing method
#511Glass sealed spark plug assembly
#512Spark plug with ground electrode having mechanically locked precious metal feature
#513Spark plug center electrode assembly
#514Spark plug having a multi-tiered center wire assembly
#515Spark plug having a specific structure of noble metal tip on ground electrode
#516Spark plug including ground elcetrode carrier casing
#517Spark plug and related manufacturing method
#518Noble metal tip for spark plug electrode and method of making same
#519Method for manufacturing spark plug using bending process for earth electrode
#520Method for manufacturing spark plug
#521Spark plug with noble metal chip joined by unique laser welding and fabrication method thereof
#522Spark plug electrode and spark plug
#523Spark plug with cooling features and method of manufacturing the same
#524Spark plug electrode with electrode tip directly thermally coupled to heat dissipating core and method of manufacturing the same
#525Spark plug electrode and method of manufacturing the same
#526Spark plug
#527Spark plug
#528Spark plug
#529Corona ignition assembly including a high voltage connection and method of manufacturing the corona ignition assembly
#530Ground electrode assembly for a spark plug
#531Method of manufacturing spark plug
#532Spark plug
#533Method for manufacturing spark plug
#534Spark plug gapping tool