Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402360 | Internal batch mixing machines and rotors | — | 2002-06-11 |
| 4893936 | Mixing machine with non-intermeshing pair of rotors driven solely at the same rotor speed in opposite directions and having a predetermined rotational alignment relationship between the two counter-rotating rotors | Frank Borzenski | 1990-01-16 |
| 4834543 | Optimized four-wing, non-intermeshing rotors for synchronous drive at optimum phase relation in internal batch mixing machines | — | 1989-05-30 |
| 4744668 | Internal batch mixing machines with non-intermeshing rotors of increased performance | — | 1988-05-17 |
| 4714350 | Two-wing non-intermeshing rotors of increased performance for use in internal batch mixing machines | — | 1987-12-22 |