| Patents for F02P 11 - Safety means for electric spark ignition, not otherwise provided for (1,437) |
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| 03/27/1990 | US4911126 Transistor ignition circuit |
| 03/20/1990 | US4909229 Ignition system for an internal combustion engine |
| 03/08/1990 | WO1990002477A1 Apparatus and method for protecting engine electronics from radio frequency interference |
| 03/06/1990 | US4907178 Method for detecting a reference angular position of a rotary body |
| 02/28/1990 | EP0355275A2 Compliance brake for an internal combustion engine powered implement |
| 02/28/1990 | EP0355129A1 METHOD and Apparatus FOR DELIVERING AN ENGINE SHUTDOWN SIGNAL |
| 02/27/1990 | US4903662 Spark timing controller for spark ignited internal combustion engine |
| 02/22/1990 | WO1990001435A1 Protective circuit for battery powered engine ignition system |
| 02/13/1990 | US4899579 Method of testing an internal combustion engine |
| 01/31/1990 | EP0352296A1 Ignition interrupt system with stall interval. |
| 01/23/1990 | US4895127 Ignition timing control system |
| 01/16/1990 | US4894602 Overvoltage protection system for marine ignition and regulator circuitry |
| 01/16/1990 | US4893605 Ignition device for internal combustion engine |
| 01/09/1990 | US4892073 Ignition system for internal combustion engines |
| 12/26/1989 | US4889213 Compliance brake for an internal combustion engine powered implement |
| 12/14/1989 | WO1989012165A1 Overvoltage protection system for marine ignition and regulator |
| 12/12/1989 | US4887068 Display control apparatus for use in internal combustion engine |
| 12/06/1989 | EP0344349A1 Detecting misfiring in spark ignition engines |
| 11/28/1989 | US4883928 Float switch, a control apparatus and a warning apparatus of an engine |
| 11/23/1989 | DE3817471C1 Capacitor ignition system for internal combustion engines |
| 11/07/1989 | CA1262754A1 Cd ignition system with spark retard in neutral |
| 10/31/1989 | CA1262559A1 Ignition system with safety circuit |
| 10/25/1989 | EP0338665A2 Ignition system |
| 10/24/1989 | US4875457 Apparatus and method for protecting engine electronics from radio frequency interference |
| 09/13/1989 | CN2044289U Oil and electric compound ignitting switch |
| 09/11/1989 | EP0310654A4 Vehicular theft prevention system and method. |
| 09/05/1989 | US4862863 Electronic ignition apparatus including ignition-noise making signal generator |
| 09/05/1989 | US4862861 Under the flywheel ignition system |
| 08/29/1989 | US4861291 Marine engine protection device |
| 08/22/1989 | US4858587 Ignition device for an internal combustion engine |
| 08/22/1989 | US4858585 Electronically assisted engine starting means |
| 08/15/1989 | US4856471 Automatic engine ignition shut-off device |
| 08/08/1989 | US4854292 Ignition system for internal combustion engine |
| 07/25/1989 | USRE32998 Ignition interrupt system with stall interval |
| 06/27/1989 | US4842093 Vehicular theft prevention system and method |
| 06/27/1989 | US4841944 Ingition system |
| 06/15/1989 | WO1989005398A1 Control method and device for internal combustion engines |
| 06/06/1989 | US4837570 Ignition delay vapor expulsion module |
| 06/06/1989 | US4836176 Ignition apparatus of electronic distribution type for multi-cylinder internal combustion engine |
| 05/24/1989 | EP0316468A2 Self-starting portable tool with linear motor |
| 05/18/1989 | WO1989004423A1 Method for delivering an engine shutdown signal |
| 05/16/1989 | US4829956 Method and apparatus for detecting discrete levels of detonation in an internal combustion engine |
| 05/09/1989 | US4829579 Apparatus for confirming and reporting the operating conditions of a chain saw or the like |
| 05/02/1989 | US4825691 Method and apparatus for detecting trouble in pulse generators |
| 04/27/1989 | DE3735234A1 Ignition system for an internal combustion engine of a motor vehicle |
| 04/26/1989 | EP0312560A1 Device and process for checking the wiring of an ignition power module. |
| 04/25/1989 | US4825167 Spark plug testing under dynamic load |
| 04/12/1989 | EP0310654A1 Vehicular theft prevention system and method |
| 04/11/1989 | US4821194 Cylinder combustion monitoring apparatus |
| 02/08/1989 | CN2032259U Automobile cylinder electric spark indicator |
| 01/11/1989 | EP0298824A1 Device for the detection of a signal fault in an electronic ignition and injection system |
| 01/03/1989 | US4796208 Method of detecting reference crank angle position in an internal combustion engine at the time of starting same |
| 01/03/1989 | US4796151 Ignition system for vehicle |
| 01/03/1989 | US4794897 Engine control system of marine outboard engine |
| 11/08/1988 | US4782800 Diesel engine control apparatus |
| 11/03/1988 | WO1988008381A1 Vehicular theft prevention system and method |
| 10/11/1988 | US4776311 Process and device for limiting the running speed of an internal combustion engine with electronic ignition |
| 10/06/1988 | WO1988007630A1 Device and process for checking the wiring of an ignition power module |
| 10/06/1988 | WO1988007629A1 Ignition interrupt system with stall interval |
| 10/05/1988 | EP0284982A2 Ignition system for internal combustion engine |
| 09/27/1988 | US4773381 Rotational signal detecting apparatus for internal combustion engine |
| 09/13/1988 | US4770142 Ignition timing control system for internal combustion engine |
| 08/10/1988 | EP0277278A1 Ignition system |
| 07/19/1988 | US4757798 Electronic distribution backup apparatus |
| 07/05/1988 | US4755790 Float switch, a control apparatus and a warning apparatus of an engine |
| 06/14/1988 | CA1238080A1 Ignition system with additional functions |
| 06/14/1988 | CA1238079A1 Igniton device for an i.c. engine |
| 05/24/1988 | US4745901 Control method for protecting an IC engine during extended heavy loading |
| 05/05/1988 | WO1988003097A1 Transmission system for motor vehicles |
| 05/05/1988 | DE3735246A1 Antriebseinrichtung fuer ein kraftfahrzeug Drive means for a motor vehicle |
| 04/27/1988 | EP0160074B1 Solenoid apparatus having antitheft ignition system circuitry therein |
| 03/10/1988 | DE3629824A1 Electronic circuit for the detection of misfiring |
| 02/23/1988 | US4726798 Spark ignition of a marine propulsion internal combustion engine |
| 02/23/1988 | US4726347 Electronic ignition signal distributor for automobile engine |
| 02/03/1988 | EP0255423A1 Safety in electronic ignition with static distributor |
| 02/02/1988 | US4722311 Capacitor ignition apparatus |
| 01/28/1988 | WO1988000646A1 Activating process for gasoline-air mixture and equipment thereof |
| 01/12/1988 | US4718395 Ignition control system for internal combustion engine |
| 01/12/1988 | US4718389 Apparatus for the control of repetitive events dependent on operating parameters of internal combustion engines |
| 01/05/1988 | CA1231126A1 Cd ignition grounding switch to prevent capacitor charging |
| 12/15/1987 | US4712521 For an internal combustion engine |
| 12/01/1987 | CA1229870A1 Ignition circuit for a motor vehicle |
| 11/11/1987 | EP0244830A2 Electronic ignition signal distributor for automobile engine |
| 11/05/1987 | DE3711300A1 Ignition system for a spark-ignition internal combustion engine |
| 10/20/1987 | US4700677 Engine knock control method and system with fail-safe mode |
| 10/20/1987 | CA1228242A1 Position control mechanism for a vehicle ignition lock |
| 10/14/1987 | EP0240858A1 Electronic distribution backup apparatus |
| 10/06/1987 | US4697560 Rotating speed control apparatus for an internal combustion engine |
| 09/23/1987 | CN86208079U Knocking restrainer for automobile |
| 09/22/1987 | US4695822 Overheat warning and prevention system for outboard engines |
| 09/15/1987 | US4693221 In an internal combustion engine |
| 09/09/1987 | CN86204352U Theft-defence automobile ignition switch |
| 09/08/1987 | US4692753 In an internal combustion engine system |
| 08/25/1987 | US4689573 On-vehicle diagnostic unit for electronic ignition systems |
| 08/12/1987 | EP0231751A1 Rotational signal detecting apparatus for internal combustion engine |
| 07/28/1987 | CA1224683A1 Start safety apparatus for internal combustion engine |
| 07/21/1987 | US4681082 Ignition system for internal combustion engine |
| 07/07/1987 | USRE32452 Portable gas-powered tool with linear motor |
| 07/07/1987 | US4678058 Vehicle seat switch |
| 06/16/1987 | US4672941 Ignition system |