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:
Jun. 17, 2008
Filed:
Nov. 21, 2005
David M. Colby, Medford, MA (US);
Frederick K. Lesan, Encinitas, CA (US);
Alan M. Franks, San Diego, CA (US);
Chang-li Hsieh, Carlisle, MA (US);
Anjan Kumar Mukherjee, Tulsa, OK (US);
David M. Colby, Medford, MA (US);
Frederick K. Lesan, Encinitas, CA (US);
Alan M. Franks, San Diego, CA (US);
Chang-Li Hsieh, Carlisle, MA (US);
Anjan Kumar Mukherjee, Tulsa, OK (US);
Koch Membrane Systems, Inc., Wilmington, MA (US);
Abstract
A coupler for a spiral membrane filtration element having a spiral membrane enclosed within a rigid outerwrap includes a center support, a plurality of spokes extending outwardly from the center support, a circular rim coupled with the spokes, with the face of the rim being perpendicular to the axis of the overwrap. The rim includes a channel on its face for receiving a compressible seal, and a plurality of receptacles around its outer surface for joining two face-to-face adjacent couplers when a pair of aligned keepers is place in each receptacle. Exemplary embodiments of the coupler and filtration elements and filtration assemblies are provided, as well as an associated method.