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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 |
| 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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