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:
Sep. 21, 2021
Filed:
Oct. 13, 2017
Axiom Process Limited, Newcastle Upon Tyne, GB;
Marshall Graham Bailey, Dubai, AE;
National Oilwell Varco UK Limited, Stonehouse, GB;
Abstract
A shale shaker includes a basket having a front, solids discharge end and a rear, feed end spaced apart by opposed first and second sides. The basket includes a lower, first, screen deck and an upper, second, screen deck directly above the first screen deck. The screening surfaces of the screen decks are spaced apart, by a vertical spacing of from 20 mm to 250 mm. There is a cavity above the feed receiving end of the first screen deck, in direct fluid communication with the space between the screening surfaces of the first and second screen decks ( ) that only receives feed that has passed through the upper, second, screen deck. The cavity extends to higher than the extreme end of the screening surface of the second screen deck, at its feed receiving end.