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:
Feb. 15, 2022
Filed:
Aug. 14, 2020
Applicant:
Syncrude Canada Ltd. IN Trust for the Owners of the Syncrude Project As Such Owners Exist Now and IN the Future, Calgary, CA;
Inventor:
Trevor Finlayson, Fort McMurray, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02B 15/08 (2006.01); E02B 15/04 (2006.01); E02B 15/06 (2006.01);
U.S. Cl.
CPC ...
E02B 15/0857 (2013.01); E02B 15/048 (2013.01); E02B 15/06 (2013.01);
Abstract
A method for recovering a sunken material from a body of water having a water layer and a sediment layer, the sunken material present at a water-sediment interface is presented, comprising using an impermeable hollow column and a high density fluid to float the sunken material to the top of the column for readily removal of the floated sunken material using surface material removing equipment.