Patent · US Expired

Submerged intake filter assembly

US6712959B2 · kind B2 · utility

19Cited by

11References

31Claims

0Family size

Assignee

Weatherford/Lamb, Inc. · US

Inventors

Michael Ekholm · Minneapolis, US
Michael D. Appel · Holland, US
Richard C. Maxson · Maple Grove, US

Key dates

Filing date	Aug 9, 2001
Grant date	Mar 30, 2004
Priority date	—
Expiry date	Aug 9, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2201/44
WIPO fieldChemical engineering
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.