Assignee
PERMIAN RES CORP
US·12 granted patents·240 citations·filing 1985–1991
Top patents by PatentIndex Score
12 records- 0192US4839969ADrying method and apparatusPERMIAN RES CORP·Filed 1988·Granted Jun 20, 1989·51 cites·10 claims
- 0284US4974336ADrying methodPERMIAN RES CORP·Filed 1989·Granted Dec 4, 1990·33 cites·21 claims
- 0382US4744478APlastic closure with unitarily molded, foamed sealing layerPERMIAN RES CORP·Filed 1986·Granted May 17, 1988·49 cites·12 claims
- 0462US4872573APlastic closure with barrier coatingPERMIAN RES CORP·Filed 1988·Granted Oct 10, 1989·25 cites·11 claims
- 0553US4990233AMethod for retarding mineral buildup in downhole pumpsPERMIAN RES CORP·Filed 1985·Granted Feb 5, 1991·14 cites·6 claims
- 0646US4887907ARotary extruder with internally cooled rotorPERMIAN RES CORP·Filed 1989·Granted Dec 19, 1989·13 cites·3 claims
- 0743US4879138AComposition for plastic article with unitarily molded foam layerPERMIAN RES CORP·Filed 1989·Granted Nov 7, 1989·17 cites·13 claims
- 0841US4813863ARotary extruder with a gear pumpPERMIAN RES CORP·Filed 1986·Granted Mar 21, 1989·10 cites·2 claims
- 0938US5200204ARotary extruder with integral auger feed assemblyPERMIAN RES CORP·Filed 1991·Granted Apr 6, 1993·12 cites·4 claims
- 1032US5033861ARotary extruder with internally heated rotorPERMIAN RES CORP·Filed 1989·Granted Jul 23, 1991·3 cites·1 claims
- 1131US4866100AComposition for plastic article with unitarily molded foam layerPERMIAN RES CORP·Filed 1988·Granted Sep 12, 1989·8 cites·12 claims
- 1227US5045252AMethod and apparatus for controlling rotary extruderPERMIAN RES CORP·Filed 1989·Granted Sep 3, 1991·5 cites·5 claims
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