| Patents for H01T 13 - Sparking plugs (7,441) |
|---|
| 04/22/1980 | US4198944 Spark plug adapter and process |
| 04/22/1980 | CA1075988A1 Internal combustion engine having two spark plugs for each combustion chamber and exhaust gas recirculation circuit |
| 04/15/1980 | CA1075763A1 Igniting electrodes |
| 04/01/1980 | US4195988 Au-Pd-Cr Alloy for spark plug electrodes |
| 04/01/1980 | CA1074642A1 Metallized glass seal resistor compositions and resistor spark plugs |
| 03/18/1980 | US4193651 Ignition wire improvements |
| 03/11/1980 | US4193012 Spark plug seal |
| 02/05/1980 | US4186712 RFI-suppressing ignition system for an internal combustion engine |
| 01/15/1980 | US4183343 Internal combustion engine and a method of operating an internal combustion engine |
| 01/08/1980 | US4182009 Electrical igniters |
| 11/06/1979 | US4173731 Glass, inorganic filler, non-oxide compound, carbon |
| 10/30/1979 | US4172439 Break ignition plug |
| 10/16/1979 | US4170968 Internal combustion engine with an auxiliary combustion chamber |
| 09/18/1979 | CA1062567A1 Spark plug design having two electrically isolated center electrodes |
| 09/04/1979 | CA1061668A1 Spark plug |
| 08/28/1979 | CA1061205A1 Multiple spark-ignition internal combustion engine |
| 08/28/1979 | CA1061204A1 Pulse-actuated fuel-injection spark plug |
| 08/07/1979 | US4163597 Electrical connector for a spark plug |
| 07/24/1979 | US4161937 Igniter with magnetic activation |
| 07/03/1979 | CA1057822A1 Spark plug tester ignition system |
| 06/26/1979 | US4159441 Shielding and retaining system for vehicle engine electrical components |
| 06/12/1979 | CA1056244A1 Internal combustion engine |
| 06/12/1979 | CA1056243A1 Spark plug construction |
| 05/29/1979 | US4156839 Spark plug tester |
| 05/22/1979 | CA1054785A1 Electrical discharge device comprising an insulator body having an electrically semi-conducting coating formed thereon |
| 05/01/1979 | USRE29978 Fuel vapor injector and igniter system for internal combustion engines |
| 05/01/1979 | CA1053523A1 Ignition devices for internal combustion engines |
| 04/24/1979 | CA1053103A1 Gasoline engine fed with lean mixture only |
| 04/17/1979 | US4149495 Internal combustion engine with an auxiliary chamber |
| 03/27/1979 | US4146004 Internal combustion engine including spark plug anti-fouling means |
| 03/20/1979 | US4145106 Shielding device for oriented spark plugs |
| 03/13/1979 | US4144474 Low noise resistance containing spark plug |
| 02/27/1979 | US4142121 Electrical igniters |
| 02/13/1979 | CA1048414A1 Staggered configuration for wankel engine spark plugs |
| 01/30/1979 | US4136922 Ignition cable terminals |
| 01/23/1979 | US4136259 Igniting electrodes and method for making same |
| 01/16/1979 | CA1046369A1 Internal combustion engine spark plug having composite electrode structure |
| 12/26/1978 | US4131817 Spark plug power enhancer |
| 12/26/1978 | CA1044973A1 System and device for the ignition of an internal combustion engine using a lean air-fuel mixture |
| 12/12/1978 | CA1044096A1 Multiple air gap spark plug |
| 12/12/1978 | CA1044006A1 Modified copper-aluminum suppressor element |
| 12/05/1978 | US4128092 Internal combustion engine with an auxiliary combustion chamber |
| 11/28/1978 | US4127095 Torch-ignition internal combustion engine |
| 11/28/1978 | CA1043417A1 Discharge device |
| 11/07/1978 | US4124012 Fuel saving apparatus and spark plug therefor |
| 11/07/1978 | US4123998 Flame deflector for the auxiliary combustion chamber of an internal combustion engine |
| 10/31/1978 | US4123688 Spark plug cap |
| 10/24/1978 | US4122366 Spark plug |
| 09/19/1978 | CA1038731A1 Workable nickel material |
| 09/12/1978 | US4114068 Spark plug with combustion pressure switches |
| 09/12/1978 | US4112905 Spark plugs for internal combustion engines |
| 09/05/1978 | US4112330 Metallized glass seal resistor compositions and resistor spark plugs |
| 09/05/1978 | CA1037873A1 Radial piston engine |
| 09/05/1978 | CA1037804A1 Multiple air gap spark plug having resistive electrode coupling |
| 08/29/1978 | US4110667 Process for cleaning spark plugs on internal combustion engines |
| 08/29/1978 | US4109633 Spark-plug for automobile internal combustion engine |
| 08/29/1978 | CA1037579A1 Spark plug connector assembly |
| 08/08/1978 | US4105007 Device for suppressing ignition noise |
| 07/25/1978 | US4102709 Workable nickel alloy and process for making same |
| 07/18/1978 | US4101797 Off center electrode spark plug |
| 07/11/1978 | US4099373 Vented igniter |
| 07/04/1978 | US4097977 Method to attach the center electrode into a ceramic insulator body of spark plugs |
| 06/27/1978 | US4096832 Ignition apparatus and method for an internal combustion engine |
| 06/20/1978 | US4095580 Pulse-actuated fuel-injection spark plug |
| 06/20/1978 | US4095564 Method and apparatus for igniting air-fuel mixture in an engine |
| 06/06/1978 | US4093887 Spark plug, particularly for internal combustion engines having composite center electrode |
| 06/06/1978 | US4092969 Gasoline engine fed with lean mixture only |
| 05/30/1978 | US4092558 Long distance discharge gap type spark plug |
| 05/16/1978 | US4090130 Capacitive coupled clamp-on voltage probe |
| 05/16/1978 | US4090125 Ignition indicator for internal combustion engines |
| 05/02/1978 | US4087719 Spark plug |
| 04/18/1978 | US4084372 Internal combustion engine |
| 04/04/1978 | US4082980 Spark plug cap providing a capacitor in parallel with the spark cap |
| 04/04/1978 | US4082976 Spark plug design having two electrically isolated center electrodes |
| 03/28/1978 | US4081711 Spark plug |
| 03/28/1978 | US4081710 Platinum-coated igniters |
| 03/14/1978 | US4079310 Engine analyzing device |
| 03/14/1978 | US4078534 Anti-interference device for internal combustion engines |
| 02/14/1978 | US4073271 Torch ignition type internal combustion engine |
| 01/31/1978 | US4071800 Three electrode arc plasma flame ignition devices |
| 01/17/1978 | US4068647 Automotive ignition tool |
| 12/27/1977 | US4064612 Locking type gasket for spark plugs having fully threaded shanks and tool therefor |
| 12/06/1977 | US4061122 Spark plug |
| 11/22/1977 | US4059782 Spark plug |
| 11/22/1977 | US4059079 Internal combustion engine |
| 08/16/1977 | US4041922 System and device for the ignition of an internal combustion engine using a lean air-fuel mixture |
| 07/26/1977 | US4037914 Electrical connector and connector cable |
| 06/28/1977 | US4032842 Spark plug tester ignition system |
| 06/14/1977 | US4029990 Spark plug construction |
| 06/14/1977 | US4029986 Spark plug |
| 06/14/1977 | US4029982 Plug for internal combustion engine for limiting production of nitrogen oxide |
| 06/07/1977 | US4028576 Sonic spark plug |
| 05/17/1977 | US4024469 Apparatus for measuring spark plug gap spacing |
| 05/10/1977 | US4023058 Spark plug |
| 04/26/1977 | US4020413 Emergency auto ignition kit and spark plug tester |
| 04/26/1977 | US4020388 Discharge device |
| 04/26/1977 | US4019796 Separable contact and connection arrangement for ignition cables to a fixed terminal, for example the distributor cap of a distributor-breaker assembly |
| 03/29/1977 | US4015161 Anti-pollution spark plug |
| 03/29/1977 | US4015160 Spark plug having electrodes shaped to produce a hollow spark column |
| 03/01/1977 | US4009924 Spark plug connector assembly |