Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609819 | Twin screw extruder with conical non-parallel converging screws | Bobbie W. Hauck | 2003-08-26 |
| 6482453 | Multiple purpose quick-changeover extrusion system | Bobbie W. Hauck | 2002-11-19 |
| 6465029 | Multiple purpose quick-changeover extrusion system | Bobbie W. Hauck | 2002-10-15 |
| 6340487 | Multiple purpose quick-changeover extrusion system | Bobbie W. Hauck | 2002-01-22 |
| 6103290 | Method of extrusion cooking an edible material | — | 2000-08-15 |
| 5939124 | Method of extrusion cooking an edible material | — | 1999-08-17 |
| 5815941 | Pellet cooler having dual grate pellet outlet | Douglas S. Clark, Nicholas B. Scott | 1998-10-06 |
| 5783240 | Method of producing high protein, high fat sinking aquatic feed | Bobbie W. Hauck, Elmer J. Osterhaus | 1998-07-21 |
| 5778558 | Pellet cooling method and apparatus using alternate hot and cool air streams | Douglas S. Clark, Nicholas B. Scott | 1998-07-14 |
| 5694833 | Short length tapered extrusion cooking device | — | 1997-12-09 |
| 5242292 | Extruder apparatus for producing sterile pelleted feed product | — | 1993-09-07 |
| 5114488 | Extrusion method and apparatus for acid treatment of cellulosic materials | Gordon R. Huber, Bobble W. Hauck, Galen J. Rokey, Lawrence E. Schmelzle, Timothy R. Hartter | 1992-05-19 |
| 4935183 | Method of extruding material through a twin-screw extruder having respective conical nose screw sections | Bobbie W. Hauck, Timothy R. Hartter | 1990-06-19 |
| 4875847 | Twin-screw extruder having respective conical nose screw sections | Bobbie W. Hauck, Timothy R. Hartter | 1989-10-24 |
| 4728367 | Extrusion method and apparatus for acid treatment of cellulosic materials | Gordon R. Huber, Bobbie W. Hauck, Galen J. Rokey, Lawrence E. Schmelzle, Timothy R. Hartter | 1988-03-01 |
| 4408725 | Screw and head assembly for processing whole grains and cellulosic materials | Bobbie W. Hauck | 1983-10-11 |
| 4286058 | Enzymatic conversion of high moisture shear extruded and gelatinized grain material | Galen J. Rokey, Itamar Ben-Gera | 1981-08-25 |