Inventor · disambiguated record
Gerhard Weihrich
Also filed as: WEIHRICH GERHARD
7 granted patents·265 citations·filing 1986–1999
88Inventor score
Top patents by PatentIndex Score
7 records- 0190US4824256ACo-rotating twin-screw kneaders with kneading disksWERNER & PFLEIDERER·Filed 1986·Granted Apr 25, 1989·81 cites·9 claims
- 0282US6048088AMulti-shaft screw-type extruder, in particular twin-shaft extruderKRUPP WERNER & PFLEIDERER GMBH·Filed 1998·Granted Apr 11, 2000·52 cites·12 claims
- 0381US6179460B1Twin screw extruder with single-flight kneading disksKRUPP WERNER & PFLEIDERER GMBH·Filed 1999·Granted Jan 30, 2001·49 cites·17 claims
- 0475US5573332AScrew element for a screw-like extrusion machineWERNER & PFLEIDERER·Filed 1996·Granted Nov 12, 1996·33 cites·14 claims
- 0573US4877390ADegassification device for a screw extruder which processes plastic materialWERNER & PFLEIDERER·Filed 1988·Granted Oct 31, 1989·31 cites·14 claims
- 0647US5797677AScrew-type extruding machine having a screw element defining a groove with an expansion region at each end thereofWERNER & PFLEIDERER·Filed 1995·Granted Aug 25, 1998·12 cites·8 claims
- 0735US5549383AScrew-type extrusion machine with heating elementsWERNER & PFLEIDERER·Filed 1991·Granted Aug 27, 1996·7 cites·10 claims
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