Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5439286 | Methods of constructing drive elements including paddle and shaft assemblies for twin screw mixer and/or processors and the resulting apparatus | James E. Kowalczyk | 1995-08-08 |
| 5344230 | High horsepower hydraulically driven continuous mixing and processing system | James E. Kowalczyk | 1994-09-06 |
| 5304000 | Methods of constructing paddle and shaft assemblies for twin screw mixer and/or processors and the resulting apparatus | James E. Kowalczyk | 1994-04-19 |
| 5129304 | Method and apparatus for processing potentially explosive and sensitive materials for forming longitudinally perforated extrudate strands | James E. Kowalczyk, Jerry W. Jones | 1992-07-14 |
| 5017269 | Method of continuously carbonizing primarily organic waste material | James E. Kowalczyk, Harold Lange, Jerry W. Jones | 1991-05-21 |
| 4945807 | Method and apparatus for processing potentially explosive and sensitive materials for forming longitudinally perforated extrudate strands | James E. Kowalczyk, Jerry W. Jones | 1990-08-07 |
| 4908104 | Method of continuously carbonizing a mixture of primarily organic waste material | James E. Kowalczyk, Harold Lange, Jerry W. Jones | 1990-03-13 |
| 4826323 | Self-wiping continuous mixer with enlarged bore section | James E. Kowalczyk | 1989-05-02 |
| 4752135 | Mixing apparatus and methods | — | 1988-06-21 |
| 4744669 | Mixing and extruding apparatus and methods | James E. Kowalczyk | 1988-05-17 |
| 4742719 | Mixing process simulating method and system for evaluating wedge flow | David Bushong | 1988-05-10 |