| Patents for F02P 13 - Sparking plugs structurally combined with other parts of internal-combustion engines (1,968) |
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| 01/19/1983 | EP0069889A2 Ignition system for an internal combustion engine |
| 01/18/1983 | US4369343 Ignition distributor having electrodes with thermistor discharging portions |
| 12/15/1982 | EP0066749A1 Ignition system for internal-combustion engines |
| 11/30/1982 | US4361122 Internal combustion engine with externally-supplied ignition, having one main combustion chamber per cylinder and one ignition chamber |
| 11/23/1982 | US4359981 High compression type internal combustion engine |
| 09/21/1982 | US4350125 Fuel injection type internal combustion engine |
| 06/01/1982 | US4332224 Internal combustion engine with a main combustion chamber and an ignition chamber |
| 05/11/1982 | US4329615 Spark plug for internal combustion engines |
| 05/04/1982 | US4327681 Internal combustion engine having a main combustion chamber and an ignition device inserted into an ignition chamber |
| 04/20/1982 | US4325332 Air injection system for internal combustion engines |
| 03/10/1982 | EP0047020A1 Piezoelectric crystal spark plug |
| 02/03/1982 | EP0045052A2 Radio frequency interference suppressing ignition distributor rotor |
| 12/15/1981 | US4305357 Internal combustion engine having a main combustion chamber and an ignition chamber associated therewith provided with an ignition device |
| 11/10/1981 | US4300111 Device in ignition coils |
| 07/07/1981 | US4277724 Integral spark plug coil for automotive-type plug |
| 07/01/1981 | EP0031007A1 Positively ignited internal-combustion engine with a main combustion chamber each per cylinder and an ignition chamber |
| 06/23/1981 | US4275334 Integral spark plug coil for aircraft-type plug |
| 04/28/1981 | US4264844 Electrical igniters |
| 02/17/1981 | CA1095790A1 Spark plug |
| 01/20/1981 | CA1093916A1 Ignitor for lean burn ignition system |
| 01/06/1981 | US4242990 Spark ignited internal combustion engine |
| 11/25/1980 | US4235214 Secondary air guide ring for ignition plug |
| 11/18/1980 | US4234219 Knotter with improved billhook and actuation mechanism |
| 11/11/1980 | US4232637 Surfaces for combustion chamber of internal combustion engine having controlled fuel injection |
| 10/28/1980 | CA1088391A1 Secondary air guide ring for ignition plug |
| 09/23/1980 | CA1086161A1 Method for reducing pollution due to an internal combustion engine |
| 08/26/1980 | US4219001 Method and apparatus for accumulating fuel particles in a portion of a combustion chamber |
| 08/26/1980 | US4218992 Externally ignited internal combustion engine |
| 08/26/1980 | US4218880 Spark-ignition internal combustion engine |
| 05/13/1980 | US4202312 Ignition device for rotary piston engine |
| 05/13/1980 | US4202307 Ignition plug |
| 03/11/1980 | CA1073291A1 Spark-ignition internal combustion engine |
| 03/04/1980 | CA1072843A1 Internal combustion engine |
| 12/25/1979 | US4180021 Method of injecting fuel and a fuel injection device of an internal combustion engine |
| 12/18/1979 | US4178889 Internal combustion engine |
| 12/04/1979 | US4176646 Method of igniting in an internal combustion engine |
| 08/21/1979 | US4164912 Method for reducing pollution due to an internal combustion engine |
| 06/12/1979 | CA1056242A1 Spark-plug for automobile internal combustion engine |
| 06/05/1979 | CA1056022A1 Electrical resistance unit for ignitor plugs |
| 05/08/1979 | CA1054004A1 Internal combustion engine |
| 02/13/1979 | CA1048414A1 Staggered configuration for wankel engine spark plugs |
| 02/06/1979 | US4137883 Device for suppressing disturbance electric wave for motorcycles |
| 11/28/1978 | CA1043417A1 Discharge device |
| 10/24/1978 | CA1040950A1 Method and apparatus for fuel injection-spark ignition system for an internal combustion engine |
| 10/10/1978 | US4119065 Internal combustion engine having an auxiliary combustion chamber and a method of control of combustion in said internal combustion engine |
| 09/19/1978 | US4114569 Internal combustion engine with an auxiliary combustion chamber |
| 09/12/1978 | US4114068 Spark plug with combustion pressure switches |
| 05/16/1978 | US4090125 Ignition indicator for internal combustion engines |
| 05/02/1978 | US4087719 Spark plug |
| 01/03/1978 | US4066046 Method and apparatus for fuel injection-spark ignition system for an internal combustion engine |
| 12/06/1977 | US4061113 Process for reducing the pollution due to an internal combustion engine, and an engine including the application of said process |
| 09/20/1977 | US4048974 Externally ignited four cycle gas engine |
| 09/20/1977 | US4048973 Internal combustion engine provided with pre-combustion chamber |
| 09/06/1977 | US4046111 Combustion chamber of internal combustion engine |
| 06/14/1977 | US4029982 Plug for internal combustion engine for limiting production of nitrogen oxide |
| 04/26/1977 | US4020388 Discharge device |
| 01/25/1977 | US4004563 Spark ignition engine using lean air-fuel mixture |
| 01/04/1977 | US4001145 Glassy resistor composition for use in a resistor incorporated spark plug |
| 01/04/1977 | US4000731 Internal combuston engines |
| 12/28/1976 | US3999530 Internal combustion spark ignition engine |
| 09/14/1976 | US3980061 Fuel injection-spark ignition system for an internal combustion engine |
| 09/14/1976 | US3980057 Torch ignition type internal combustion engine |
| 07/20/1976 | US3970053 Internal combustion engines |
| 07/13/1976 | US3968782 Torch ignition type internal combustion engine with a restricted orifice |
| 05/18/1976 | US3958099 Electrical resistance unit for ignitor plugs |
| 02/10/1976 | US3937185 Staggered configuration for wankel engine spark plugs |
| 02/03/1976 | US3935852 Spark plug connector and ignition coil module for engine ignition system |
| 01/20/1976 | US3933134 Method and apparatus using proportional residual gas storage to reduce NOx emissions from internal combustion engines |