Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9527675 | Chain tension sensor | Gordon Powell, Robert E. Smith, III | 2016-12-27 |
| 9267374 | Armored face conveyor | — | 2016-02-23 |
| 9139375 | Chain tension sensor | Gordon Powell, Robert E. Smith, III | 2015-09-22 |
| 8973742 | Chain tension sensor | Gordon Powell, Robert E. Smith, III | 2015-03-10 |
| 8919538 | Armored face conveyor | — | 2014-12-30 |
| 8636140 | Chain tension sensor | Gordon Powell, Robert E. Smith, III | 2014-01-28 |
| 8061510 | Dual sensor chain break detector | — | 2011-11-22 |
| 7896444 | Conveyor pan with improved edge shaping | Gordon Powell | 2011-03-01 |
| 7523687 | Conveyor drive including a fluid coupling and a step-up gearbox | — | 2009-04-28 |
| 7467510 | Chain link anti-knuckle insert | Gordon Powell | 2008-12-23 |
| 7201062 | Device for measuring the tension in a continuous chain with link ends | Nigel Hill | 2007-04-10 |