Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012498 | Conveyor idler angular alignment measurement device | — | 2018-07-03 |
| 5942890 | Rotating shaft monitoring device with a universal attaching mechanism | Darrell Huffine, Steven Smith | 1999-08-24 |
| 5759127 | Method for constructing a pulley for conveyor belts | — | 1998-06-02 |
| 5664644 | One-point grease distribution system for belt conveyor idlers | Greg Flanagan | 1997-09-09 |
| 5209704 | Method of construction for replaceable pulley lagging device | Karl C. Valster | 1993-05-11 |
| 5205796 | Apparatus for shaping a replaceable legging for wing pulleys prior to vulcanization | Karl C. Valster | 1993-04-27 |
| 5190146 | Replaceable pulley lagging device | Karl C. Valster | 1993-03-02 |
| 5022132 | Apparatus for rotatably mounting idlers and pulleys of various sizes | Karl C. Valster | 1991-06-11 |
| 4984363 | Method of making wing pulleys | Karl C. Valster | 1991-01-15 |
| 4956914 | Method of making wing pulleys | Karl C. Valster | 1990-09-18 |
| 4658949 | Conveyor belt scraper blade | — | 1987-04-21 |