The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 1977
Filed:
Aug. 25, 1975
Applicant:
Inventors:
Malcolm M Paterson, Atkinson, NH (US);
Michael J Theodore, Weston, MA (US);
Assignee:
Raytheon Company, Lexington, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03B / ;
U.S. Cl.
CPC ...
209-3 ; 210415 ; 209152 ;
Abstract
A screw conveyor for moving water-laden materials from one location to another comprising a feeder screw extending longitudinally within an enclosing duct or housing and a dewatering cylinder closely encircling the screw and comprised of closely spaced elements of substantially triangular or teardrop cross-sectional shape to remove water from the material as it is moved progressively along the duct by the flights of the screw.