Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7556144 | Belt conveyor | David Cotter, Kenneth J. Kooistra | 2009-07-07 |
| 7467708 | Belt conveyor and method of converting a roller conveyor to a belt conveyor, and retrofit kit | Michael McGettigan, David Cotter, Kenneth J. Kooistra | 2008-12-23 |
| 7093709 | Belt conveyor | David Cotter, Kenneth J. Kooistra | 2006-08-22 |
| 6811018 | Belt conveyor | David Cotter, Kenneth J. Kooistra | 2004-11-02 |
| 6685008 | Axle holding yoke for conveyor roller | Ricardo N. Schiesser | 2004-02-03 |
| 6622847 | Compact article unscrambler | Dennis J. Schuitema, Ronald J. DeVree | 2003-09-23 |
| 6478142 | Contact assembly for accumulation conveyors | David Cotter, Ronald C. Ehlert, Thomas Pelak, Kenneth J. Kooistra | 2002-11-12 |
| 6367617 | Axle holding yoke for conveyor roller | Ricardo N. Schiesser | 2002-04-09 |
| 6269933 | Compact article unscrambler | Dennis J. Schuitema, Ronald J. DeVree | 2001-08-07 |
| 5531311 | Conveyor article propelling roller drive system | Bernard H. Woltjer, David Cotter | 1996-07-02 |
| 5415281 | High speed article unscrambler and aligner | Eric R. Taylor, Gerald A. Brouwer, Bernard H. Woltjer | 1995-05-16 |
| 5240101 | Multizone unscrambler | James F. Hergenrother | 1993-08-31 |
| 5135100 | Track intersection pin guide | David Cotter | 1992-08-04 |
| 5127510 | Modular diverter shoe and slat construction | David Cotter, Bernard H. Woltjer | 1992-07-07 |
| 5101958 | Flowspitting conveyor | David Cotter | 1992-04-07 |