Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660475 | High load descender with adaptive release linkage | — | 2023-05-30 |
| 11097136 | High load descender with adaptive release linkage | — | 2021-08-24 |
| 10583315 | High load descender with adaptive release linkage | — | 2020-03-10 |
| 10092781 | High load descender with adaptive release linkage | — | 2018-10-09 |
| 6158373 | Traveler car with recirculating ball bearings and bearing retainer | Kenneth E. Lange | 2000-12-12 |