Patents for H01T 13 - Sparking plugs (7,441)
12/1994
12/20/1994US5374822 Optical transmitter for producing an optical signal indicative of temperature
12/13/1994US5373214 Spark plug and electrode arrangement therefor
12/07/1994CN2184997Y Purifying sparking plug
12/06/1994US5371436 Device for initiating combustion of fuel in an engine
12/06/1994US5370832 Sintered ceramic body for a spark plug insulator and method of sintering the same
12/06/1994US5370100 Connecting part for ignition device
12/01/1994DE4404543C1 Arrangement for motor vehicle electrical systems, for connecting a connecting cable to an electrical functional element
11/1994
11/29/1994US5369328 Spark plug having Y-shaped or V-shaped electrodes
11/29/1994US5367871 Aircraft engine ignition system
11/24/1994WO1994027347A1 Improvements relating to ignition leads used in conjunction with internal combustion engines
11/23/1994EP0625813A1 A spark plug
11/17/1994EP0624938A1 A spark plug electrode for use in internal combustion engine
11/16/1994CN1095198A Variable thermal value spark plug
11/08/1994USRE34778 Spark plug and method of manufacturing the same
11/08/1994US5363046 Spark plug cap with misfire detecting capacitor for internal combustion engine
11/02/1994EP0622881A2 A spark plug insulator a method of making the same
11/02/1994EP0621988A1 Spark plug for internal combustion engines, in particular for motor vehicle internal combustion engines
11/01/1994US5359981 Apparatus for preventing electro-magnetic wave noise from being radiated and conducted from igniting device of gasoline engine
10/1994
10/27/1994WO1994024736A1 Ignition plug device for gasoline internal combustion engine
10/26/1994EP0621666A2 Construction for retaining coiled spring of high-voltage terminal in engine ignition system
10/26/1994EP0620951A1 Electrical heated plug for igniting fuel-air mixtures
10/25/1994US5358415 Spark plug cap
10/12/1994EP0619631A1 Spark plug device
10/12/1994CN2179642Y Spark plug for gasoline engine
10/11/1994CA1332332C Spark plug for internal combustion engine
10/04/1994US5352953 Gas-filled discharge tube
09/1994
09/29/1994DE4409412A1 Zündkerze und Verfahren zu ihrer Herstellung Spark plug and method for their preparation
09/28/1994EP0617492A1 Double ignition system for internal combustion engines, ignition plug for double ignition systems, and electric spark generator
09/20/1994US5348486 Heat shielded spark plug boot assembly
09/20/1994US5347856 Misfire detector device for use in an internal combustion engine
09/20/1994US5347855 Misfire detector device for use in an internal combustion engine
09/15/1994WO1994021015A1 Electrically conductive sealing compound for sparking plugs
09/15/1994DE4406558A1 Spark plug having an earth electrode
09/14/1994EP0615325A2 Plug cap device for internal combustion engine
09/13/1994US5347193 Spark plug having an erosion resistant tip
09/06/1994US5344328 Spark plug keeper
08/1994
08/30/1994US5343154 Diagnostic device for gas turbine ignition system
08/23/1994US5340323 Coil spring engagement construction of a high tension terminal in an engine ignition apparatus
08/23/1994CA1331548C Combustion apparatus and system for internal combustion engine
08/20/1994CA2115965A1 Spark plug with a ground electrode concentrically disposed to a central electrode
08/10/1994EP0609787A1 Spark plug with built-in pressure sensor
08/10/1994CN1090683A Variable gap sparking plug
08/02/1994US5333593 Energy-on-demand ignition coil
08/02/1994US5333592 Ignition coil for ignition systems in combustion engines
07/1994
07/26/1994US5332394 Electrical connector for connecting a voltage source to a spark plug terminal
07/21/1994WO1994016214A1 Multi-spark ignition system with variable number of sparks for an internal combustion engine
07/20/1994EP0607035A2 A spark plug voltage detector for use in internal combustion engines
06/1994
06/28/1994US5324207 Cap for a high-tension cable terminal for use in an automobile engine
06/22/1994EP0602698A1 Sealed cable assembly
06/21/1994US5322043 Spiral spin charge or sheathing system
06/09/1994WO1994013046A1 Sparking plug for internal combustion engines
06/08/1994CN2168350Y Double-spark ignition plug
06/08/1994CN1087758A Spark plug for internal combustion engine
06/01/1994CN2167456Y Multi-pole spark plug of series type
06/01/1994CN1024876C Spark plug electrodes and process for making thereof
05/1994
05/31/1994US5317268 Sparking voltage detecting device for internal combustion engines
05/26/1994WO1994011934A1 Spark plug for internal combustion engines, in particular for motor vehicle internal combustion engines
05/26/1994WO1994011933A1 Electrical heated plug for igniting fuel-air mixtures
05/26/1994DE4238973A1 Zündkerze für Brennkraftmaschinen, insbesondere für Brennkraftmaschinen von Kraftfahrzeugen A spark plug for internal combustion engines, especially for internal combustion engines of motor vehicles
05/25/1994CN1087210A Sparking plug for internal combustion engines, in particular for internal combustion engines of motor vehicles
05/11/1994EP0596233A2 High voltage signals detection device
05/11/1994DE4237444A1 Elektrisch beheizte Zündkerze zum Zünden von Kraftstoff-Luft-Gemischen Electrically heated spark plug for igniting fuel-air mixtures
05/10/1994US5310373 Method for producing electrodes for spark plugs and spark plug electrodes
04/1994
04/19/1994US5304894 Contains, borosilicate and/or stronsium borate, mullite, zirconia, carbon black, bentonite, sucrose, lithium carbonate, antimony and silicon;
04/19/1994CA1328587C Spark plug having a rapid heat-dissipating metallic shell
04/14/1994DE4233897A1 Ignition coil for IC engine - has one coil per spark plug placed over threaded peg with boss screwed down over it
04/13/1994EP0591686A2 Connecting element for ignition device
04/13/1994EP0305531B1 Combustion system for internal combustion engine and combustor used therefor
04/12/1994US5302131 Connector cap for linking electrical cable
04/07/1994DE4314780A1 Vehicle sparking plug connector
04/07/1994DE4232951A1 Ignition equipment for IC engine - has locking connections element held part of stop by distributor cap deformed and fixed in releasing position when ignition distributor is rotated
04/06/1994EP0590657A2 Spark plug connector
04/06/1994EP0418284B1 Spark plug
03/1994
03/30/1994EP0589614A1 Connecting assembly for ignition plug in gasoline engine and method for producing same
03/29/1994US5297971 Spark plug cap
03/29/1994US5297510 For an engine
03/23/1994EP0588495A1 A spark plug and a method of making the same
03/17/1994WO1994006183A1 Spark plug terminal
03/17/1994DE4230447A1 IC engine spark plug - with spark discharge alteration at given threshold voltage for extending working life
03/16/1994EP0587446A1 A method of making spark plug electrode
03/08/1994US5291872 Ignition apparatus for an internal combustion engine
03/02/1994CN2158145Y Multipole sparking plug
02/1994
02/23/1994CN2157607Y High-efficiency low consumption energy-saving spark plug
02/16/1994EP0418281B1 Method for manufacturing electrodes for a spark plug
02/03/1994WO1994002817A1 Pressure sensor
02/02/1994EP0581067A1 Spark plug with built-in pressure sensor
02/01/1994US5283499 For use with an engine
02/01/1994US5283134 Spark plug insulator and a method of sintering
02/01/1994CA1326617C Spark plug structure
01/1994
01/26/1994EP0580295A1 Plug cap device
01/20/1994WO1994001905A1 Spark plug/spark plug cap unit
01/19/1994EP0579487A2 Coupling construction
01/19/1994CN1081028A Spark plug with insulated ceramic shell
01/18/1994US5280214 Spark plug with a ground electrode concentrically disposed to a central electrode
01/18/1994CA1326185C Copper core side electrode spark plug shell
01/05/1994EP0577103A1 Ni-based alloy electrode of a sparking plug for use in internal combustion engines
12/1993
12/28/1993US5274298 Spark plug having an ablative coating for anticontaminat fouling
12/28/1993US5273474 Method of manufacturing a center electrode for a spark plug
12/23/1993WO1993026068A1 Sparking plug
12/23/1993DE4223071C1 Zündkerzen-/Zündkerzenstecker-Einheit Spark plug / spark plug unit
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