Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421786 | Shock insulating door system and method | — | 2025-09-23 |
| 12320147 | Manual and automatic disinfecting door system and method | Paul F. McGowan, Jr. | 2025-06-03 |
| 12183144 | Secure exit lane door | David Paul Hewitt, Jason L. Ryan, James W. Palmer | 2024-12-31 |
| 12163371 | Telescoping door with swing clear breakout hinge | Leonel Narvaez | 2024-12-10 |
| 12152430 | Particulate-capturing cover for a movable barrier operator | John M. Gollihar, II | 2024-11-26 |
| 12110726 | Swing door operator with offset spring | Viorel Hodis | 2024-10-08 |
| 11885168 | Sliding barrier tracking system | David Paul Hewitt | 2024-01-30 |
| 11808081 | Shock insulating door system and method | — | 2023-11-07 |
| 11802428 | Flush bolt assembly with bolt-contained spring | — | 2023-10-31 |
| 11414911 | Swing door operator with offset spring | Viorel Hodis | 2022-08-16 |
| 11401747 | Motor assisted revolving door system and method with multiple sensors | — | 2022-08-02 |
| 11396770 | Telescoping door with swing clear breakout hinge | — | 2022-07-26 |
| 11282319 | Secure exit lane door | David Paul Hewitt, Jason L. Ryan, James W. Palmer | 2022-03-22 |
| 11210883 | Facility access regulating system and method | — | 2021-12-28 |
| 11053725 | Sliding barrier tracking system | David Paul Hewitt | 2021-07-06 |
| 11053729 | Door system and method with early warning sensors | Jason L. Ryan, Robert Augustine | 2021-07-06 |
| 10851569 | Telescoping door with swing clear breakout hinge | Leonel Narvaez | 2020-12-01 |
| 10784058 | Sealed electrical contact system | — | 2020-09-22 |
| 10106176 | Platform screen gate system | — | 2018-10-23 |
| 9452761 | Platform screen gate system | — | 2016-09-27 |
| 7497050 | Sliding door having an adjustable torsion bar assembly | William S. Liles, Jr. | 2009-03-03 |
| 7228659 | Sliding door reinforced frame header with movable cover | William S. Liles, Jr. | 2007-06-12 |