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.

Date of Patent:
Mar. 16, 1982

Filed:

Nov. 10, 1980
Applicant:
Inventors:

Monty E Vincent, Ann Arbor, MI (US);

Karlis Vizulis, Ann Arbor, MI (US);

Assignee:

Gelman Sciences, Inc., Ann Arbor, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210188 ; 210398 ; 210436 ; 210472 ; 210477 ;
Abstract

The filter device of this invention comprises a housing with an inlet chamber and an outlet chamber separated by a deformable microporous membrane, the outlet chamber containing a perforated membrane support surface of concave compound curvature which is spaced from the wall of the outlet chamber, the deformable membrane being in contact with and conforming to the compound curvature of the support surface when fluid flows through the membrane from the inlet chamber to the outlet chamber.


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