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:
Nov. 16, 1999
Filed:
Jul. 23, 1997
Applicant:
Inventors:
Peter Herbert Knappe, Santa Barbara, CA (US);
Daniel Franklin Quigg, Ventura, CA (US);
Ronald Paul Magnani, Goleta, CA (US);
Assignee:
TriSep Corporation, Goleta, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
21032183 ; 2104934 ; 21049701 ; 2104971 ;
Abstract
A novel rigid, nonporous shell for use with a spiral wound membrane filtration element that allows a controlled bypass flow between the outside of the element and the inside of an enclosing pressure housing while maintaining structural mechanical properties and tight tolerances on the outside diameter of the element allowing easy installation and removal of the cartridge.