| Patent No. | Patent Title: |
| 6698280 | Failure test apparatus for fuel-vapor purging system |
| 6450018 | Process and device for monitoring and observation of aging of a c... |
| 6439040 | Device for analyzing exhaust emissions from motor vehicles |
| 6363771 | Emissions diagnostic system |
| 6360580 | Device and method for testing vehicle shock absorbers |
| 6357288 | Failure diagnosis system for evaporation control system |
| 6357291 | Apparatus and method for measuring brake bias |
| 6354134 | Oxygen sensing element used in a oxygen sensor |
| 6349592 | Intake air quantity calculating apparatus for an internal combust... |
| 6343500 | Engine combustion condition detecting apparatus equipped with mal... |
| 6343505 | Automotive evaporative leak detection system |
| 6327900 | Oil life monitor for diesel engines |
| 6324893 | Diagnostic apparatus and method for adsorbent |
| 6318160 | Testing a power plant system of a locomotive under a thermally st... |
| 6314802 | Optimal engine speed compensation method used in misfire detectio... |
| 6314803 | Method for surveying the operating conditions of an internal comb... |
| 6272914 | Device for indicating caliper pad wear in disc brakes |
| 6260412 | Universal electronic fuel injection system testing device |
| 6253602 | Method for correcting the vehicle G sensor output value and for d... |
| 6253601 | System and method for determining oil change interval |
| 6243641 | System and method for detecting engine cylinder misfire |
| 6240343 | Apparatus and method for diagnosing an engine using computer base... |
| 6230554 | System and method for determining a performance characteristic of... |
| 6230558 | Apparatus and method for measuring fuel flow rate and residual fu... |
| 6230095 | System and method for cylinder power imbalance prognostics and di... |
| 6226576 | Method for monitoring and error recognition |
| 6223592 | Independent control of transmission-side and engine-side retardin... |
| 6220085 | Vehicle-velocity calculating apparatus |
| 6212944 | Apparatus and method for monitoring engine conditions, using ... |
| 6209385 | Method and system for determining air/fuel ratio of an engine's c... |
| 6202488 | Vehicle rollover sensor |
| 6202481 | Fuel line pressure testing access device |
| 6185996 | System and method for diagnosing output power of an internal comb... |
| 6178805 | Method and apparatus for side impact testing of motor vehicles at... |
| 6178806 | Air fuel ratio sensor and method for assembling the same |
| 6176139 | Compression-tension transducer, especially for electromechanical ... |
| 6170323 | Self-diagnosis apparatus for vehicle meters and method starting a... |
| 6170338 | Vortex flowmeter with signal processing |
| 6167755 | Device for determining load in an internal combustion engine |
| 6164125 | Detection of malfunction in gas concentration detection system |