Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8863940 | Drag conveyor system | Keith Sterner, Korey A. Szapacs, David R. Gill | 2014-10-21 |
| 7617655 | Bulk bag tie-off assembly | David R. Gill, Keith Sterner, David A. Dunker | 2009-11-17 |
| 7353851 | Bulk bag filler with hook latch mechanism | Keith Sterner, David R. Gill | 2008-04-08 |
| 7159744 | Flow promotion device for bulk bag discharger | Keith Sterner, David R. Gill | 2007-01-09 |
| 7032875 | Bag closing apparatus | Keith Sterner, Dennis E. Graham, David R. Gill | 2006-04-25 |
| 6892510 | Bag closing apparatus | Keith Sterner, Dennis E. Graham, David R. Gill | 2005-05-17 |
| 6502367 | Bag closing apparatus | Keith Sterner, Dennis E. Graham, David R. Gill | 2003-01-07 |
| 6427955 | Bag lifting frame retainers | Keith Sterner, David R. Gill | 2002-08-06 |
| 6340100 | Apparatus for securing a bulk bag to a discharge spout | David R. Gill, Dennis E. Graham | 2002-01-22 |
| 6290098 | Flow promotion apparatus | Keith Sterner, James L. Marino, David R. Gill | 2001-09-18 |
| 6176278 | Bulk bag holder | David R. Gill, Keith Sterner | 2001-01-23 |
| 6149110 | Bulk bag holder | David R. Gill, Keith Sterner | 2000-11-21 |
| 5913459 | High flow hopper, charging adapter and assembly of same | David R. Gill, Keith Sterner | 1999-06-22 |
| 5184759 | Apparatus for elongating a bulk bag and a bulk bag unloading station incorporating the same | David R. Gill, Larry J. Duca, Robert M. Badway, Michael Walsh | 1993-02-09 |