Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264014 | Positive-drive spiral conveyor | David W. Bogle | 2025-04-01 |
| 11970337 | Positive-drive spiral conveyor belt | David W. Bogle | 2024-04-30 |
| 11708221 | Self-stacking spiral belt conveyor with smooth diameter reduction | — | 2023-07-25 |
| 11383932 | Positive-drive spiral conveyor | David W. Bogle | 2022-07-12 |
| 10766706 | Methods for positively-driving spiral conveyors | David W. Bogle | 2020-09-08 |
| 10766705 | Positive-drive spiral conveyor | David W. Bogle | 2020-09-08 |
| 10501265 | Positive-drive spiral conveyor | David W. Bogle | 2019-12-10 |
| 10189645 | Positive-drive spiral conveyor | David W. Bogle | 2019-01-29 |
| 10023388 | Positive-drive spiral conveyor | David W. Bogle | 2018-07-17 |
| 9481523 | Positive-drive spiral conveyor and belt | David W. Bogle | 2016-11-01 |
| 9394109 | Positive-drive spiral conveyor | David W. Bogle, Achraf Elhassouni, David A. Wickham | 2016-07-19 |
| 9079719 | Positive-drive spiral conveyor with overlapping cage-bar caps | Alejandro J. Talbott, Oscar R. Coto | 2015-07-14 |
| 8181771 | Positive-drive spiral conveyor | — | 2012-05-22 |