Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264499 | Key and core with cam blocking | Michael Hans Viklund | 2025-04-01 |
| 12077984 | Key and core with cam blocking | Michael Hans Viklund | 2024-09-03 |
| 12018513 | Lock status indicator | Yang Wei | 2024-06-25 |
| 11896866 | Clamp device for being secured to a bar | — | 2024-02-13 |
| 11898373 | Assembly for exit device | Jamison D. Woodley, Xiaohui Yan, Can Zhang | 2024-02-13 |
| 11885152 | System and method for transferring rotation of lock indicator through cylindrical lock | — | 2024-01-30 |
| 11814873 | Cylindrical lock status indicator | — | 2023-11-14 |
| 11702862 | Modular lock plug | Brian Edward Walls, Scott D. Welsby | 2023-07-18 |
| 11613910 | Lock cylinders and control keys | — | 2023-03-28 |
| 10808421 | Lockdown cylinder locks | Scott D. Welsby, Brian Andrew Rappl, Brian Edward Walls, Peter Malenkovic, Kenton H. Barker | 2020-10-20 |
| 10745937 | Modular lock plug | Brian Edward Walls, Scott D. Welsby | 2020-08-18 |
| 10273717 | Lock cylinders and control keys | — | 2019-04-30 |
| 10024079 | Modular lock plug | Brian Edward Walls, Scott D. Welsby | 2018-07-17 |
| 9694505 | Anti-ligature actuators | — | 2017-07-04 |
| 9624696 | Lock plug including modular cartridges | Evan Earl Evans | 2017-04-18 |
| 9598880 | Lock cylinder including modular plug | Brian Edward Walls, Scott D. Welsby | 2017-03-21 |
| 9523217 | Variable section key and lock | — | 2016-12-20 |
| 9512638 | Leaf spring lock cylinder | Brian Andrew Rappl | 2016-12-06 |
| 9447608 | Locking cartridges | Evan Earl Evans | 2016-09-20 |
| 9447605 | Key and lock cylinder | Brian Edward Walls, Evan Earl Evans | 2016-09-20 |
| 9441397 | End caps for lock cylinders | Skyler K. Biek, Kenneth M. Curtis, Dale B. Shillington, II, David K. Matteucci | 2016-09-13 |
| 9435138 | Modular lock plug | Brian Edward Walls, Scott D. Welsby | 2016-09-06 |
| 9103139 | Key having movable members and locking system | — | 2015-08-11 |