Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11673773 | Ropeless elevator propulsion system | Justin Billard, Randy Roberts, Kyle Martin | 2023-06-13 |
| 11667497 | Wall climbing elevator | — | 2023-06-06 |
| 11584621 | Autonomous elevator car movers and traction surfaces therefor, configured with traction increasing and guidance enhancing implements | Sam Thieu Wong, Brad Guilani | 2023-02-21 |
| 11542123 | Elevator system including a motorized module | Sam Thieu Wong, Bruce P. Swaybill, Randy Roberts, Meghan Mastriano, Brad Guilani | 2023-01-03 |
| 11524873 | Ropeless elevator wheel force releasing system | Randy Roberts, Bruce P. Swaybill, Brad Guilani | 2022-12-13 |
| 11472671 | Inspection assembly for elevator system | Scott Phillippi, Joseph Crute | 2022-10-18 |
| 11434107 | Rope-climbing self propelled elevator system | Richard L. Hollowell | 2022-09-06 |
| 11407617 | Simply-supported recirculating elevator system | — | 2022-08-09 |
| 11390490 | Cantilevered climbing elevator | — | 2022-07-19 |
| 11027944 | Climbing elevator transfer system and methods | — | 2021-06-08 |
| 10875743 | Rope-climbing self propelled elevator system | Richard L. Hollowell | 2020-12-29 |
| 9919900 | Bedplate for elevator system | Bruce St. Pierre, Bruce P. Swaybill | 2018-03-20 |
| 7526992 | Variable force rate vacuum booster | Patrick A. Mescher, Roger Sexton | 2009-05-05 |