Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12312840 | Door lock release mechanism | Daniel Filion | 2025-05-27 | |
| 11313156 | Delayed emergency release unit | Daniel Filion | 2022-04-26 | $48,258,000 |
| 11148685 | Pre-biased delayed emergency release | Daniel Filion | 2021-10-19 | $38,000,000 |
| 10994752 | Lock mechanism for improved door panel seal | Daniel Filion | 2021-05-04 | $31,844,000 |
| 7228804 | Door system for transit vehicle utilizing compression lock arrangement | Simon Evans | 2007-06-12 | $15,519,000 |
| 7004516 | Lock latch mechanism for transit vehicle door system | — | 2006-02-28 | $5,452,000 |
| 6718694 | Drive nut assembly for a door operator | Erich Stephen | 2004-04-13 | $1,914,000 |
| 6712406 | Lock latch mechanism for transit vehicle door system | — | 2004-03-30 | $1,946,000 |
| 6708449 | Two motor arrangement for a door operator | — | 2004-03-23 | $1,251,000 |
| 6688042 | Central lock mechanism | Philip J. Calamatas | 2004-02-10 | $1,552,000 |