Patents for H01T 13 - Sparking plugs (7,441)
08/1996
08/27/1996US5550424 Spark plug for internal combustion engines
08/27/1996US5549082 Air vent structure for plug cap
08/21/1996CN1129283A Ignition coil device
08/20/1996US5547387 Joint construction for ignition system
08/14/1996EP0726628A1 A multi-polarity type spark plug for use in an internal combustion engine
08/14/1996EP0672312B1 Sparking plug for internal combustion engines
08/14/1996CN2233128Y Spark plug with inproved electrode
08/08/1996DE19503223A1 Spark plug for IC engine
08/07/1996EP0725463A1 A spark plug for an internal combustion engine
08/07/1996CN2232632Y Spark plug with lighting-off chamber
08/06/1996CA2053360C Sintered ceramic body, a method of making the same and spark plug insulator made therefrom
07/1996
07/23/1996US5537983 Ignition system for internal combustion engine
07/18/1996DE19600258A1 Optical sensor arrangement for detecting combustion process of combustion engine
07/16/1996US5535726 Automotive ignition coil assembly
07/11/1996WO1996021105A1 Ignition device for an internal combustion engine
07/11/1996DE19515623A1 Spark plug cap
07/11/1996DE19500216A1 Decompression valve for IC engine of small hand-tool, e.g. chain saw
07/10/1996CN2230985Y Spark plug with circular pole
07/04/1996WO1996020523A1 Spark plug
07/04/1996CA2183775A1 Spark plug
07/03/1996EP0719469A1 Sparking plug with surface discharge section
07/03/1996EP0537156B1 Spark plug for internal combustion engine
07/03/1996CN2230478Y Spark plug
06/1996
06/26/1996CN1125495A Sparking plug with surface discharge section
06/25/1996US5530313 Spark plug with copper cored ground electrode and a process of welding the electrode to a spark plug shell
06/19/1996EP0716778A1 An improved spark plug system
06/11/1996CA2020587C Gas-filled discharge tube and high-tension cable device
06/05/1996EP0715073A2 Apparatus for coupling one coil per plug ignition system with a cylinder head for an internal combustion engine
06/05/1996CN2228667Y Portable foldable type quick looking up table
06/05/1996CN1123878A Plug cap for internal combustion engines
06/04/1996US5523691 Method of monitoring an ignition system
05/1996
05/29/1996EP0713969A2 Structure for connecting spark plug and ignition coil for internal combustion engine
05/29/1996CN1123363A Plug cap with vent for internal combustion engine
05/22/1996EP0713006A1 Ignition part for internal combustion engines
05/22/1996EP0713005A2 Connection of an ignition coil and a spark plug for internal combustion engine
05/22/1996EP0514495B1 Ignition system wiring harness and spring clip retainers therefor
05/22/1996CN2227883Y Spark plug
05/21/1996US5517961 Engine with flow coupled spark discharge
05/15/1996EP0712186A1 Connection arrangement for ignition devices of internal combustion engines
05/07/1996US5514929 For a gas engine
05/07/1996US5514314 Spark plug and method
05/07/1996US5513605 For generating/injecting a high energy plasma jet into a combustion chamber
05/01/1996EP0709942A1 Plug cap with vent for internal combustion engine
04/1996
04/24/1996EP0707748A1 Spark plug with automatically adjustable gap
04/23/1996US5510667 Spark plug with an electrode having a platinum-nickel fiber composite material
04/18/1996WO1996011517A1 Spark plug having titanium diboride electrodes
04/17/1996EP0707363A1 Plug cap for internal combustion engines
04/16/1996US5508582 Spark plug insulator for use in internal combustion engine
04/16/1996CA2048814C Built-in discharge bulb type ignition plug
04/02/1996US5502994 Method for producing a metal tip
03/1996
03/26/1996US5502352 Spark plug having horizontal discharge
03/26/1996US5502351 For igniting compressed air-fuel mixture of an internal combustion engine
03/26/1996US5501205 Ignition coil set for a multicylinder internal combustion engine
03/19/1996US5500304 Silver-nickel composite material for electrical contacts and electrodes
03/13/1996EP0701311A1 Spark plug with radial spark gap
03/13/1996CN2222405Y Sparking-plug
03/07/1996WO1996007226A1 Spark plug for an internal combustion engine
03/07/1996DE4431143A1 Zündkerze für eine Brennkraftmaschine A spark plug for an internal combustion engine
03/06/1996EP0591250B1 Sparking plug for igniting fuel-air mixtures
03/05/1996US5497045 Spark plug having a noble metal electrode portion
02/1996
02/29/1996DE4430131A1 Spark plug with heatable insulator for cold starts
02/29/1996DE19530671A1 Press moulded electrical connector unit for motor vehicle IC engine sparking plugs
02/21/1996EP0697144A1 Improvements relating to ignition leads used in conjunction with internal combustion engines
02/20/1996US5493171 Spark plug having titanium diboride electrodes
02/20/1996US5492105 Ignition system for internal combustion engine
02/14/1996CN2220128Y Multiple ignition sparking plug
02/07/1996EP0505368B1 Process for making electrodes for sparking plugs and sparking plug electrodes
01/1996
01/30/1996US5488262 Spark electrode having low thermal stress
01/24/1996EP0651878A4 Pressure sensor.
01/18/1996WO1996001512A1 An improved spark plug system
01/17/1996CN2217847Y High-efficiency sparking plug
01/16/1996CA2024239C Apparatus for torch jet assisted spark ignition
01/04/1996DE4422733A1 Spark plug for IC engine
01/03/1996EP0522023B1 Miniature railgun engine ignitor
01/02/1996US5479817 Spark plug with built-in pressure sensor
12/1995
12/27/1995EP0688699A2 Device for interrupting current flow in the earth -or- in the positif wire in a vehicle battery
12/27/1995EP0565655B1 Ignition coil for ignition systems of internal combustion engines
12/27/1995EP0451264B1 Spark plug with a open-ring shaped ground electrode
12/26/1995US5478265 Spark plug and a method of making of same
12/21/1995WO1995034409A1 Sparking plug screwing/unscrewing tool with housing for a spare sparking plug and extension spanner bush
12/21/1995DE4244883A1 Engine spark plug and spark plug socket assembly
12/19/1995US5477104 Spark plug resistant to accidental discharges
12/19/1995US5477022 Making spark plug electrode by applying layer of aluminum or aluminum alloy to body of nickel or nickel alloy, treating to form nickel aluminide intermetallic phase on surface
12/19/1995US5476695 Sparking plug cap
12/19/1995US5476084 Energy-on-demand ignition coil
12/17/1995CA2126047A1 Spark plug structure
12/14/1995DE4420271A1 Ignition coils set for IC engine
12/14/1995DE19520384A1 Electrical terminal for retention in complementary socket
12/06/1995EP0390780B1 High-voltage switch
12/06/1995CN2214711Y Discharging spark plug
12/05/1995US5472663 Ni-based alloy sparking plug electrode material for use in an internal combustion engine
11/1995
11/21/1995US5469013 Large discharge-volume, silent discharge spark plug
11/21/1995US5467758 Electronic distributing type ignition device
11/07/1995US5465022 Spark plug for internal-combustion engine and manufacture method of the same
11/02/1995EP0679223A1 Multi-spark ignition system with variable number of sparks for an internal combustion engine
11/02/1995EP0561812B1 Electrode, and process for manufacturing it
10/1995
10/31/1995US5463267 Spark plug with automatically adjustable gap
10/31/1995US5462023 Rain cover of an ignition plug attaching hole
10/24/1995US5461276 Electrode for a spark plug in which a firing tip is laser welded to a front end thereof
10/24/1995US5461275 Spark plug for use in an internal combustion engine
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