| Patents for H01T 13 - Sparking plugs (7,441) |
|---|
| 06/19/1987 | DE3544726A1 A sparkplug intended for an internal-combustion engine |
| 06/16/1987 | US4673455 Efficient spacings in engines cylinders and combustion containers |
| 06/16/1987 | EP0225713A1 Thermocouple spark plug and method of making thereof |
| 06/09/1987 | US4671586 Spark plug shield and boot seal assembly |
| 06/09/1987 | US4671248 Ignition cassette unit |
| 06/02/1987 | US4670684 Platinum-nickel alloys; high temperature wear resistance |
| 05/19/1987 | US4665922 Ignition system |
| 04/23/1987 | DE3537721A1 Spark plug |
| 04/21/1987 | US4659960 Electrode structure for a spark plug |
| 04/21/1987 | US4658774 Ignition apparatus for internal combustion engines |
| 04/14/1987 | US4658185 Arrangement for the ignition of ignitable mixtures |
| 03/26/1987 | WO1987001877A1 Surface-discharge spark plug |
| 03/26/1987 | WO1987001876A1 Spark plug with surface discharge section |
| 03/26/1987 | DE3544869A1 Ignition unit |
| 03/26/1987 | DE3533123A1 Zuendkerze mit gleitfunkenstrecke Spark plug with surface discharge gap |
| 03/19/1987 | DE3532472A1 Multi-element line bushing through an insulator |
| 03/12/1987 | WO1987001523A1 Ignition device for internal combustion engines |
| 03/11/1987 | EP0213604A2 Ignition device for an internal-combustion engine |
| 03/05/1987 | DE3531570A1 Zuendeinrichtung fuer brennkraftmaschinen Engine-ignition apparatus for |
| 03/04/1987 | EP0212079A1 Igniter with improved isulator support |
| 02/17/1987 | US4644218 Spark plug with pre-combustion chamber and venturi passage |
| 02/17/1987 | US4643688 Method for assembling a spark plug |
| 01/27/1987 | US4639635 Spark plug |
| 01/21/1987 | EP0081479B1 Spark plug |
| 01/20/1987 | US4637368 Ignition system for an Otto-type four-stroke engine |
| 01/20/1987 | US4637358 Spark plug cap apparatus |
| 01/13/1987 | US4636690 Spark plug for an internal combustion engine, having a pilot breakdown gap |
| 01/08/1987 | DE3523299A1 Auxiliary spark gap |
| 01/02/1987 | DE3620357A1 Ignition device of an internal combustion engine |
| 12/23/1986 | US4631451 Blast gap ignition system |
| 12/10/1986 | EP0203953A1 Spark plug |
| 12/04/1986 | WO1986007207A1 Spark plug for internal combustion engines |
| 12/04/1986 | WO1986007206A1 Spark plug connector |
| 11/11/1986 | US4621881 Connection device in an ignition system |
| 10/21/1986 | US4617907 Ignition unit in the ignition system of an internal combustion engine |
| 09/23/1986 | US4613789 Spark plug with capacitor spark discharge |
| 09/23/1986 | CA1211667A1 Spark plug |
| 08/26/1986 | CA1210257A1 Nickel alloy for spark plug centre electrodes |
| 08/19/1986 | US4606730 Bimetal electrodes for spark plugs or the like and method of making same |
| 08/12/1986 | CA1209427A1 Spark-ignition air-compressing internal combustion engine |
| 08/12/1986 | CA1209426A1 Apparatus for starting a diesel engine using plasma ignition plugs |
| 07/22/1986 | US4601848 Resistor compositions for producing a resistor in resistor-incorporated spark plugs |
| 07/22/1986 | CA1208280A1 Radio frequency interference radiation suppressing ignition system |
| 06/03/1986 | US4593340 Igniter with improved insulator support |
| 05/22/1986 | WO1986003067A1 Spark plug |
| 05/21/1986 | EP0181476A1 Method and manufacturing a spark plug for internal combustion engines |
| 05/20/1986 | US4590536 Resistive-capacitive igniter and cable |
| 04/29/1986 | US4585421 Method of making copper-clad bimetal electrodes for spark plugs |
| 04/22/1986 | CA1203510A1 Spark plug electrode and its method of manufacture |
| 04/15/1986 | US4582475 Method and apparatus for igniting combustible mixtures |
| 04/09/1986 | CN85200952U Convex earth electrode spark plug |
| 04/08/1986 | US4581558 Spark plug for internal combustion engines having an alloy layer between the electrodes and tip ends |
| 03/11/1986 | US4575343 Bimetal electrode and method of making same |
| 03/10/1986 | CN85105263A Sparking plug with star-shaped and ring electric pole |
| 02/19/1986 | EP0171994A1 Spark plug |
| 02/12/1986 | EP0171153A1 Spark plug |
| 02/12/1986 | EP0170975A1 Spark plug |
| 02/11/1986 | US4570124 Ignition system test/diagnostic instrument |
| 02/04/1986 | US4568855 Spark plug |
| 01/15/1986 | EP0167739A1 Ignition device for a combustion engine |
| 01/15/1986 | EP0167687A1 A spark plug with a ring-shaped ground electrode |
| 01/07/1986 | US4563158 Fuel ignition device and method of assembling same |
| 01/07/1986 | CA1198952A2 Method for producing a composite center electrode |
| 01/07/1986 | CA1198951A1 Method for producing a composite center electrode |
| 12/24/1985 | CA1198331A1 Igniter |
| 12/18/1985 | EP0164613A1 Sparking plug with pointed electrode |
| 12/10/1985 | US4558280 Ignition secondary analyzer |
| 12/10/1985 | US4557229 Ignition apparatus for internal combustion engines |
| 11/27/1985 | EP0162066A1 Ignition device for reciprocating internal combustion engine |
| 11/19/1985 | US4553927 Ignitor probe assembly and ceramic insulator therefor |
| 10/22/1985 | US4549114 Spark plug for externally ignited internal combustion engine |
| 09/12/1985 | WO1985003980A1 Combustion initiation system employing hard discharge ignition |
| 09/11/1985 | EP0153927A1 Ignition unit in the ignition system of an internal combustion engine. |
| 09/10/1985 | US4540912 Sparking-plug |
| 09/10/1985 | US4540910 Spark plug for internal-combustion engine |
| 09/03/1985 | US4539503 Rapid-heating, high-temperature-stable spark plug for internal combustion engines |
| 08/21/1985 | EP0151594A1 Connection device in an ignition system. |
| 08/20/1985 | US4535735 Multi-gap spark ignition system |
| 07/10/1985 | EP0147613A2 Sparking plug for an internal-combustion engine |
| 07/03/1985 | EP0147264A1 Static diagnostic apparatus for ignition systems |
| 07/02/1985 | US4526551 Production of electrodes |
| 06/25/1985 | US4525140 Ignition method and igniter device for igniting carburated gaseous mixtures |
| 06/05/1985 | EP0044862B1 Ignition device for the combustion of fuel |
| 05/29/1985 | EP0142928A1 Spark plug boot assembly |
| 05/28/1985 | US4519784 Method of inserting a center electrode in a spark plug insulator |
| 05/14/1985 | US4516548 Ignition device for improving the efficiency of and to reduce _emissions of internal combustion engines |
| 05/09/1985 | WO1985002066A1 Ignition device for reciprocating internal combustion engine |
| 05/08/1985 | EP0139911A1 Spark plug for internal-combustion engine |
| 05/07/1985 | CA1186578A1 Spark plug |
| 04/30/1985 | US4514657 Spark plug having dual gaps for internal combustion engines |
| 04/30/1985 | US4513708 Method for igniting lean fuel-air mixtures and an apparatus to perform the method |
| 04/23/1985 | US4513220 Ignition plug with air passage and double check valve |
| 04/09/1985 | US4509476 Spark-plug assembly for internal-combustion engine |
| 04/09/1985 | US4509469 Break ignition plug |
| 03/26/1985 | CA1184454A1 Break ignition plug |
| 03/20/1985 | EP0134355A1 Bridge electrode type of spark plug |
| 03/19/1985 | US4506186 Spark plug and optical combustion sensor combination |
| 03/12/1985 | US4504411 Resistor composition for resistor-incorporated spark plugs |
| 02/28/1985 | WO1985000931A1 Connection device in an ignition system |
| 02/28/1985 | WO1985000930A1 Ignition unit in the ignition system of an internal combustion engine |