Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328183 | Mass flow bulk material bin | — | 2001-12-11 |
| 5697535 | Bulk material container with a sliding cam lock closure plate | — | 1997-12-16 |
| 5282550 | Bulk material container with a flexible liner | — | 1994-02-01 |
| 5193864 | Split lock ring for bulk material container | — | 1993-03-16 |
| 5115943 | Bulk material container with a flexible liner | — | 1992-05-26 |
| 5076471 | Bulk material container having a flexible liner with a follower | — | 1991-12-31 |
| 5072857 | Bulk material container with flexible liner | — | 1991-12-17 |
| 5069371 | Bulk material container with a door movable over a rectilinear path | — | 1991-12-03 |
| 5060826 | Container with inflatable vessel for controlling flow of liquid or viscous material | — | 1991-10-29 |
| 4996760 | Method of installing a flexible liner within the shell of a bulk material container | — | 1991-03-05 |
| 4960227 | Bulk material container with a flexible liner | — | 1990-10-02 |
| 4923101 | Bulk material container with a door movable over a rectilinear path | — | 1990-05-08 |
| 4858791 | Bulk material container with a door movable over a rectilinear path | — | 1989-08-22 |
| 4793509 | Bulk material container having a filter vent | — | 1988-12-27 |
| 4770578 | Arrangement for securing bins to a flatbed of a railroad flat car or a truck using a tie-down frame | — | 1988-09-13 |
| 4768675 | Container having a manhole cover with a pressure-vacuum relief valve | — | 1988-09-06 |
| 4552090 | Bulk material container with a rigid follower | — | 1985-11-12 |
| 4532800 | Level indicator for liquid container with a follower | — | 1985-08-06 |
| 4491253 | Container with butterfly valve | — | 1985-01-01 |
| 4471892 | Material container having a flexible follower | — | 1984-09-18 |