| Patent No. | Patent Title: |
| 4236490 | Internal combustion engine |
| 4198946 | Rotary valve construction for an internal combustion engine |
| 4187823 | High swirl inlet port |
| 4185597 | Self-supercharging dual piston engine apparatus |
| 4184462 | Internal combustion engine |
| 4183341 | Remotely controlled starting system for model engines |
| 4182288 | Mixture-compressing, spark-ignited internal combustion engine hav... |
| 4181107 | Carburetor choke valve controlling device |
| 4181100 | Internal combustion engine operated on injected fuel supplemented... |
| 4180030 | Valve lock assembly |
| 4180029 | 2-Cycle engine of an active thermoatmosphere combustion |
| 4178886 | Two stroke engines |
| 4178887 | Intake distributor for two-cycle internal combustion engines |
| 4177784 | Engine starting device |
| 4177785 | Diesel engine glow plug energization control device |
| 4177772 | Method of operating a four-stroke internal combustion engine and ... |
| 4176648 | Engine starting device |
| 4176631 | Internal combustion engine |
| 4174685 | Two stroke cycle internal combustion engine |
| 4173202 | Internal combustion engine having automatic compression control |
| 4170200 | Internal combustion engine with reformed gas generator |
| 4170210 | Air starter |
| 4170211 | Combination AC and DC electrical starting motor for engines |
| 4169448 | Air heater system |
| 4169447 | Starting system for compression ignition engine |
| 4167930 | Internal combustion engine with sustained power stroke |
| 4167161 | Directional auxiliary intake injection for internal combustion en... |
| 4167160 | Two cycle loop scavenging engine having unequal scavenging passag... |
| 4166441 | Compressed air-actuated fluid injection apparatus |
| 4163438 | Rotary valve timing apparatus |
| 4162664 | Internal combustion engine and fuel introducing means therefor |
| 4162663 | Stratified charge four-stroke engine |
| 4162662 | Two-stroke internal combustion engines |
| 4161932 | Fuel injection system |
| 4161165 | Piston for an internal combustion engine |
| 4161163 | Two cycle internal combustion engine |
| 4159704 | Articulated, spring-controlled intake valve |
| 4159012 | Diaphragm type carburetor for a two-stroke cycle engine |
| 4157084 | Fuel injection system and method for internal combustion engine |
| 4157083 | Combination manual and power starter for engines |
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