Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576210 | Duck bill filler nozzle | — | 1986-03-18 |
| 4574851 | Apparatus for filling a valve bag | — | 1986-03-11 |
| 4574720 | Method and apparatus for filling valved bags | — | 1986-03-11 |
| 4567922 | Method of filling valve bags | — | 1986-02-04 |
| 4567987 | Easy opening pinch bottom bag | Paul O. Hain | 1986-02-04 |
| 4550442 | Multiwall gussetted bag with seamless tubular liner | — | 1985-10-29 |
| 4512479 | Container with easy opening closure | Paul O. Hain | 1985-04-23 |
| 4498511 | Apparatus for filling a valve bag | — | 1985-02-12 |
| 4483445 | Bag with easy opening closure and handle | Paul O. Hain | 1984-11-20 |
| 4471820 | Valve bag filling nozzle | — | 1984-09-18 |
| 4471875 | Bag having easy opening closure | Paul O. Hain | 1984-09-18 |
| 4460091 | Bag resealing clip | Paul O. Hain | 1984-07-17 |
| 4441613 | Container with resealable closure | Paul O. Hain | 1984-04-10 |
| 4412645 | Self-sealing bag sleeve | — | 1983-11-01 |
| 4391310 | Bag filler spout | — | 1983-07-05 |
| 4316574 | Sleeve valve for flexible bags | — | 1982-02-23 |