Patents for H01T 13 - Sparking plugs (7,441)
05/1997
05/27/1997US5633557 Anti-fouling spark plug
05/27/1997US5632636 Transmission device for an ignition system of an internal combustion engine
05/21/1997EP0774813A1 A spark plug for use in an internal combustion engine
05/21/1997EP0774812A1 Multielectrode spark plug
05/21/1997CN1150348A Current peaking and RFI choke device
05/20/1997US5630722 Ignition cable connection fitting
05/14/1997EP0773603A2 Connector, in particular for spark plugs
05/13/1997US5628298 Waterproof spark plug hole cap of internal combustion engine
05/07/1997CN1149211A Device for connecting a cable, in particular high-voltage cable for internal combustion engine
04/1997
04/30/1997DE19534340C1 Zündkerze mit einer Beschichtung im Bereich einer Gleitfunkenstrecke und Verfahren zum Aufbringen der Beschichtung A spark plug with a coating in the region of a surface discharge and method for applying the coating
04/23/1997EP0561810B1 Ignition device and process for manufacturing it
04/23/1997CN2253067Y Strong energy saving spark plug
04/22/1997US5623179 For an internal combustion engine
04/15/1997US5621197 Device for interrupting the flow of current in the positive or impregnated vehicle battery cable
04/15/1997US5619959 Spark plug including magnetic field producing means for generating a variable length arc
04/08/1997US5618193 Structure for connecting spark plug and ignition coil for internal combustion
03/1997
03/26/1997EP0765017A1 A spark plug for use in an internal combustion engine
03/26/1997CN2250583Y Sparking plug for igniting IC engine
03/20/1997WO1997010632A1 Sparking plug and process for its production
03/18/1997US5612586 Spark plug for internal combustion engines
03/13/1997WO1997009761A1 Combustion initiators employing reduced work function electrodes
03/12/1997EP0762564A1 Adapter feeding apparatus
03/11/1997US5610470 Spark plug for an internal combustion engine
02/1997
02/20/1997DE19530072A1 petrol engine with fuel injection
02/18/1997US5603306 Ignition cable means for eliminating inerference
02/12/1997EP0758152A1 A spark plug
02/12/1997EP0758151A1 Device for connecting a cable, in particular a high-voltage cable for an internal combustion engine
02/05/1997CN2246859Y Ring side-electrode sparking plug
02/04/1997US5599195 Ignition plug cap
01/1997
01/29/1997CN1141693A Spark plug
01/29/1997CN1141665A ignition device for internal combustion engine
01/21/1997USRE35429 Spark plug and the method of manufacturing the same
01/15/1997CN1140350A Spark plug for internal combustion engine
01/14/1997US5593308 Connecting assembly for ignition plug in gasoline engine and method for producing same
01/14/1997US5592911 Water-tight cap with vent
01/09/1997WO1997001028A1 Long-life, anti-fouling, high current, extended gap, low heat capacity halo-disc spark plug firing end
01/08/1997CN1139828A Electric connector, ignition device for internal combustion engine and making method
01/07/1997US5590637 Ignition coil device
01/07/1997US5590629 Spark ignition system of an internal combustion engine
01/03/1997WO1997000547A1 Electrode material for a spark plug
01/03/1997CA2222616A1 Electrode material for a spark plug
01/02/1997EP0750801A1 Spark plug with fine wire rivet firing tips and method for its manufacture
01/02/1997DE19522657A1 Interference plug-in suppressor for IC engine ignition unit
01/01/1997CN2244259Y Energy saving sparking plug
01/01/1997CN1139303A Spark plug for internal combustion engine
12/1996
12/25/1996CN2243725Y Sparkle plug with point ground pole
12/19/1996DE19623795A1 Spark plug for use with IC engine
12/18/1996EP0748935A1 Ignition device for an internal combustion engine
12/17/1996CA2061287C Ignition apparatus with a pre-gap
12/11/1996EP0748012A1 A spark plug for an internal combustion engine and a method of making the same
12/11/1996EP0748011A1 Spark plug cable assembly
12/11/1996EP0746889A1 Spark plug
12/11/1996CN1137697A Multi-polarity type spark plug for use in internal combustion engine
12/04/1996CN2241928Y Fuel-economizing and reinforcing sparking-plug
12/03/1996US5581145 Spark plug
11/1996
11/28/1996DE19518690A1 Sparking plug for IC engine
11/27/1996CN1136721A Spark plug for IC engine
11/26/1996US5578895 Spark plug having a noble metal electrode tip
11/26/1996US5578894 Electrodes with nickel alloyed and thermoconductive copper alloy core embedded in nickel clad alloy and additive metal of chromium and/or zirconium
11/26/1996US5577921 Electrical connector system for electrically connecting a voltage source to a spark plug terminal
11/26/1996US5577471 Long-life, anti-fouling, high current, extended gap, low heat capacity halo-disc spark plug firing end
11/20/1996CN2240794Y Discharging type spark plug
11/20/1996CN2240793Y Fire-jetting combustion type spark plug
11/14/1996DE19618139A1 Motor vehicle sparking-plug with rubber sealing cap
11/13/1996EP0741925A1 Erosion resistant coating on a spark plug electrode
11/13/1996EP0716778A4 An improved spark plug system
11/13/1996CN2240204Y Energy-saving sparking-plug
11/13/1996CN2240203Y Discharge sparking-plug
11/12/1996US5574329 Spark plug and a method of making the same for an internal combustion engine
11/12/1996CA2056830C High tension cable device
11/06/1996CN1135021A Ignition device and electrical connector for internal combustion engine
10/1996
10/31/1996DE19615375A1 Spark-plug cap/lead for IC engine
10/30/1996EP0740073A1 Circuit for detecting an overvoltage on an electric load
10/30/1996EP0740072A1 Method and circuit for detecting the presence of a spark in internal combustion engine
10/30/1996CN1134764A An improved spark plug system
10/29/1996US5569971 Readily assembled spark electrode
10/24/1996DE19614203A1 High voltage sleeve connector for spark plug of IC engine
10/17/1996DE19611220A1 Electric connector for ignition coil and spark plug for automobile IC engine
10/15/1996US5565730 Electrically conducting sealing compound for spark plugs
10/15/1996US5565157 Method of making a spark plug insulator
10/15/1996US5564403 Of an internal combustion engine
10/08/1996US5563469 Spark plug for internal combustion engine
10/08/1996US5563468 Spark plug having arc-shaped precious metal chip and method of producing the same
10/02/1996EP0735636A1 A spark plug for an internal combustion engine
10/02/1996CN2236703Y Disassembled spark plug
09/1996
09/26/1996DE19610810A1 Ignition device and plug connector for IC engine
09/25/1996CN2236184Y Spark-plug explosion-assistant device
09/25/1996CN1131726A Ignition system for internal combustion engine
09/19/1996DE19610087A1 Spark plug for internal combustion engine
09/19/1996DE19509793A1 Spark plug connector for motor vehicles
09/17/1996US5557158 Spark plug and method of producing the same
09/17/1996US5556315 Method of making a spark plug for an internal combustion engine
09/17/1996US5555862 Spark plug including magnetic field producing means for generating a variable length arc
09/11/1996CN2235166Y Sparking plug for internal combustion engine
09/11/1996CN2235165Y Energy-saving spark plug
09/11/1996CN1130721A Structure for connecting spark plug and ignition coil for internal combustion engine
09/10/1996US5554908 Precombustion chamber device
09/04/1996EP0670085B1 Spark plug/spark plug cap unit
09/03/1996US5551902 Extrusion molded electrode formed as compound body and a method of producing the same
08/1996
08/27/1996US5550425 Negative electron affinity spark plug
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