Kruder; George A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kruder; George A..The latest application filed is for "triple channel wave screw".
- Kruder; George A. - Mount Gilead OH
- Kruder; George A. - Marion OH
| Patent | Date |
|---|---|
| Triple channel wave screw Grant 5,375,992 - Kruder , et al. * December 27, 1 | 1994-12-27 |
| Triple channel wave screw Grant 5,219,590 - Kruder , et al. June 15, 1 | 1993-06-15 |
| Multi-channel extrusion screw with a zig-zag undercut barrier Grant 5,035,509 - Kruder July 30, 1 | 1991-07-30 |
| Method of injection molding employing multichannel wave screw Grant 4,363,768 - Kruder * December 14, 1 | 1982-12-14 |
| Extruder with short cycle multichannel wave screw Grant 4,277,182 - Kruder * July 7, 1 | 1981-07-07 |
| Extrusion apparatus and method Grant 4,173,417 - Kruder November 6, 1 | 1979-11-06 |
| Extruder screws Grant 4,015,832 - Kruder April 5, 1 | 1977-04-05 |
| Vented extruder Grant 3,992,500 - Kruder , et al. November 16, 1 | 1976-11-16 |
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