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:
Apr. 27, 2004
Filed:
Jun. 12, 2002
Applicant:
Inventors:
Howard Hiroshi Okabayshi, Spring, TX (US);
Thomas C. Adams, Hockley, TX (US);
Guy L. McClung, III, Spring, TX (US);
Assignee:
Varco I/P, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B07B 1/40 ; B01D 3/303 ;
U.S. Cl.
CPC ...
B07B 1/40 ; B01D 3/303 ;
Abstract
A screen assembly for a vibratory separator having, in one aspect, a frame with a plurality of openings therethrough, screening material on the frame over the openings, the frame having an end area at a material exit end of the frame, and end apparatus at the end area for facilitating material movement over the end area; in one aspect, non-smooth areas on top of the screen assembly to impede solids movement on such areas and/or to direct them off such areas; vibratory separators with such a screen assembly; and methods of their use.