Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942596 | Hydromechanical transmission electronic control system for high speed vehicles | Ryan Carlson, Manfred Maiers | 2005-09-13 |
| 6852064 | Hydromechanical transmission electronic control system for high speed vehicles | Ryan Carlson, Manfred Maiers | 2005-02-08 |
| 6575872 | Method and apparatus for making smooth shifts during mode changes of an HMT when using mechanical clutches | Frederic W. Pollman | 2003-06-10 |
| 6533695 | Hydromechanical transmission | Frederic W. Pollman, Lyle R. Bretz, Thomas D. Pierce, John D. Moline, Bradly Roetman +1 more | 2003-03-18 |
| 6336325 | Hydrostatic loop dump valve for reducing input torque required by hydrostatic unit | David K. Wohlsdorf | 2002-01-08 |
| 6263670 | Loop flushing circuit for lubricating rotating elements in a hydrostatic transmission module | Jeffrey A. Baldus, Jim D. Ryken | 2001-07-24 |