Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7021257 | Compensating for VCT phase error over speed range | Earl Ekdahl | 2006-04-04 |
| 6955145 | Methods and apparatus for receiving excessive inputs in a VCT system | Thomas McCabe, Earl Ekdahl | 2005-10-18 |
| 6938592 | Control method for electro-hydraulic control valves over temperature range | Stanley B. Quinn, Jr. | 2005-09-06 |
| 6807931 | Control method for transitions between open and closed loop operation in electronic VCT controls | Earl Ekdahl, Stanley B. Quinn, Jr. | 2004-10-26 |
| 6736094 | VCT solenoid dither frequency control | Earl Ekdahl | 2004-05-18 |
| 6435154 | VCT controls integrated into front cover of engine | Roger T. Simpson | 2002-08-20 |
| 5285389 | Dual microprocessor architecture for control of a continuously variable transmission | — | 1994-02-08 |
| 5062049 | Control method and apparatus for continuously variable transmissions | — | 1991-10-29 |
| 4940969 | Apparatus and method for indicating when it is safe and unsafe to insert a memory cartridge into or remove a memory cartridge from a memory cartridge receiving device | — | 1990-07-10 |