Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933093 | Vehicle door operator system | — | 2024-03-19 |
| 10995539 | Clutch mechanism between leadscrew and electric motor | Peter M. Giannis | 2021-05-04 |
| 10683692 | Clutch mechanism between leadscrew and electric motor | Peter M. Giannis | 2020-06-16 |
| 8839558 | Sealing assembly for a swing door | Frank Golemis | 2014-09-23 |
| 8561351 | Skirt for slide-glide door | David C. Griffis | 2013-10-22 |
| 8371638 | Drive for transit door | — | 2013-02-12 |
| 8291644 | Locking mechanism for pneumatic differential engine for power-operated doors | Gennady Plavnik, Frank Golemis, Michael O'Neill, David C. Griffis | 2012-10-23 |
| 8033597 | Glazed transit vehicle door or window | David C. Griffis | 2011-10-11 |
| 7603977 | Cooling duct piston for an internal combustion engine comprising heat pipes | Roland Lochmann, Timo Estrum | 2009-10-20 |
| 7549368 | Light-metal piston having heat pipes | Roland Lochmann, Klaus Keller | 2009-06-23 |
| D582750 | Modular transit assist handle | David C. Griffis | 2008-12-16 |
| 7415072 | Drive control for an electric drive with a secure electrical separation of power element and control element | Susanne Gaksch, Kurt Göpfrich, Franz Imrich, Peter Jänicke | 2008-08-19 |
| 6684567 | Plug door drive system | Paul A. Skalak, Robert L. Oakley | 2004-02-03 |
| 6539669 | Plug door drive system | Robert L. Oakley | 2003-04-01 |