Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7322903 | Control method for cooling a launch clutch and an electric motor in a hybrid electric vehicle powertrain | Walter Joseph Ortmann | 2008-01-29 |
| 7261671 | Hybrid vehicle powertrain with a multiple-ratio power transmission mechanism | Walt Ortmann, Dan Colvin, Bob Fozo, Michael Encelewski | 2007-08-28 |
| 6991585 | Torsional isolation of a convertless automatic transmission through slip control of friction clutch | Dan Colvin | 2006-01-31 |
| 6974402 | Launch control of hybrid electric vehicle having a torque converterless driveline | Dan Colvin, Walt Ortmann, Michael Encelewski | 2005-12-13 |
| 6805647 | Hybrid electric vehicle auxiliary oil pump | Andrew J. Silveri, Walter Joseph Ortmann | 2004-10-19 |
| 6600980 | Torque reversal reduction strategy for a hybrid vehicle | Thomas Lee DeMurry | 2003-07-29 |
| 6370463 | Strategy for controlling ratio changes in a swap-shift automatic transmission | Yuji Fujii, William Emil Tobler, Ted D. Snyder | 2002-04-09 |
| 6231479 | Closed-loop electronic controller for applying transmission friction clutches | Steven G. Malson, Walter Joseph Ortmann | 2001-05-15 |
| 6217479 | Converterless multiple-ratio automatic transmission | Larry T. Brown, Walter Joseph Ortmann | 2001-04-17 |
| 6176808 | Hybrid vehicle powertrain and control therefor | Larry T. Brown, Walter Joseph Ortmann | 2001-01-23 |
| 6138810 | Method for controlling a hydraulic valve of an automatic transmission | Yuji Fujii, James William Loch McCallum | 2000-10-31 |
| 6110068 | Method for controlling an automatic transmission by sensing friction element torque capacity | — | 2000-08-29 |
| 5612667 | In-vehicle barometric pressure detection system | David K. Trumpy | 1997-03-18 |
| 5596495 | Gearshift controller for automatic transmission | Larry T. Brown | 1997-01-21 |
| 5520586 | Adaptive control for automatic transmission engagement | Larry T. Brown | 1996-05-28 |
| 5272630 | Automatic transmission control and strategy for neutral idle | Larry T. Brown | 1993-12-21 |
| 4757886 | Transmission clutch closed loop slip controller and method | Larry T. Brown | 1988-07-19 |