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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.:

US 4461707 B1

PDFFull Text
Date of Patent:
Jul. 24, 1984

Filed:

Oct. 30, 1981

Ultrafiltration and reverse osmosis tubular membrane module

Applicant:
Inventors:

William L Thayer, Ottawa, CA;

Adam J Bennett, Ottawa, CA;

Oleh Kutowy, North Gower, CA;

Srinivasa Sourirajan, Ottawa, CA;

Assignee:

Canadian Patents & Development Limited, Ottawa, CA;

Attorney:

Lemon; Francis W.

Primary Examiner:

David R Sadowski

Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2103211 ; 2103232 ; 210339 ; 2104332 ; 210450 ; 210455 ;
Abstract

An ultrafiltration and reverse osmosis module comprising a tubular casing having a plurality of tubular membrane assemblies spaced therein by spacing plates, in stepped end portions of the casing bore, and held therein by sealing plates clamped to flanges on the ends of the casing. The tubular membrane assemblies are sealed around bores in the spacing plates and boxes in the sealing plates by 'O'-rings and are held against collapse by sleeves in the ends of the tubular membrane assemblies.

Find Patent Forward Citations

Thayer, William. (1984). Ultrafiltration and reverse osmosis tubular membrane module (U.S. Patent No. 4461707). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4461707

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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