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:
Mar. 30, 2004
Filed:
Aug. 09, 2001
Applicant:
Inventors:
Michael R. Ekholm, Minneapolis, MN (US);
Michael D. Appel, Mahtomedi, MN (US);
Richard C. Maxson, Maple Grove, MN (US);
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 2/933 ;
U.S. Cl.
CPC ...
B01D 2/933 ;
Abstract
A submerged intake filter assembly comprising a cylindrical screen, a first end plate, a second end plate, a primary flow modifier pipe, and a plurality of secondary flow modifier pipes. The primary flow modifier pipe is eccentric with the cylindrical screen at the first end plate. The secondary flow modifier pipes are positioned to lie in an annular space between the primary flow modifier pipe and the cylindrical screen.