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Class Information
Number: 209/913
Name: Classifying, separating, and assorting solids > Screw feed conveyor
Description: Feed conveyors of helical form.

Patents under this class:

Patent Number Title Of Patent Date Issued
7514011 System for separating solids from a fluid stream Apr. 7, 2009
7255233 Method and apparatus for separating mixed plastics using flotation techniques Aug. 14, 2007
6808626 System for separating solids from a fluid stream Oct. 26, 2004
6588597 Disposal system for plastic Jul. 8, 2003
6533124 Quality control system for monitoring and control of contaminants in recycled plastics Mar. 18, 2003
6332542 Tramp material removal from pulp feed system Dec. 25, 2001
6315128 Tramp material removal from pulp feed systems Nov. 13, 2001
6170667 Apparatus and method for preparation of liquid/solid slurries Jan. 9, 2001
5909815 Single drive, multi-screw sorter with pusher means Jun. 8, 1999
5868256 Rotary clay material refiner Feb. 9, 1999
5409118 Open air density separator and method Apr. 25, 1995
5392928 Inspection and sorting of containers Feb. 28, 1995
5085765 Conveying and separation unit for ballistic projectile arresters Feb. 4, 1992
4616786 Plant for processing surplus concrete Oct. 14, 1986
4479048 Reclaiming machine for scraps of expanded foam thermoplastic material Oct. 23, 1984
4455225 Rotary light tester for continuously inspecting empty cans Jun. 19, 1984
4323445 Apparatus for electrokinetically separating drilling mud Apr. 6, 1982
4066534 Apparatus and method for assembling fuel elements Jan. 3, 1978
4044892 Continuous plug gauger for container openings Aug. 30, 1977

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