| Patent No. | Patent Title: |
| 6941749 | Device for the treatment of the exhaust gases of a compression-ig... |
| 5950419 | Method of and system for purifying exhaust gas for engines |
| 5860277 | Method for monitoring the operating capability of a catalyzer in ... |
| 5839273 | Method for reducing pollutant emissions of a diesel engine with a... |
| 5839276 | Engine catalytic converter |
| 5836151 | Method and device for reducing harmful gas emissions from a motor... |
| 5836155 | Sensor arrangement for engine control system |
| 5832720 | Method for utilizing a silencer unit and an arrangement for apply... |
| 5832723 | Engine exhaust pipe |
| 5829250 | Series combination catalytic converter |
| 5829249 | Internal combustion engine with exhaust passage and reactor havin... |
| 5822976 | Method and system for controlling the amount of secondary air int... |
| 5822986 | Exhaust system for engine |
| 5816043 | Shield encompassing a hot pipe |
| 5813222 | Method and apparatus for heating a catalytic converter to reduce ... |
| 5809773 | Method and a device for catalyst emission control |
| 5809777 | Diesel particulate filter apparatus |
| 5802845 | Exhaust gas purification system and exhaust gas purification meth... |
| 5802843 | Method and apparatus for diagnosing engine exhaust gas purificati... |
| 5802844 | After-burner heated catalyst system and associated control circui... |
| 5797263 | Exhaust emission control apparatus |
| 5791139 | Fuel injection control method for an internal-combustion engine p... |
| 5787707 | In-line adsorber system |
| 5787704 | Electronic purification of exhaust gases |
| 5787709 | Exhaust manifold |
| 5782089 | Honeycomb catalytic converter |
| 5775099 | Method of purifying the exhaust of an internal combustion engine |
| 5771682 | Thermal reactor |
| 5771690 | Engine exhaust purifier |
| 5771683 | Active porous medium aftertreatment control system |
| 5771684 | Gas treatment systems |
| 5768889 | Device for catalytically converting exhaust gases in an exhaust s... |
| 5765372 | Lean burn engine for automobile |
| 5765373 | Gas flow headers for internal combustion engines |
| 5765369 | Exhaust gas purifying apparatus |
| 5761902 | Change-over valve unit for switching exhaust gas passages and exh... |
| 5761905 | Exhaust manifold |
| 5761904 | Air inlet structure for exhaust passage in engine |
| 5758494 | System and method for adaptive switch determination of exhaust ga... |
| 5758496 | Particulate and exhaust gas emission control system |