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:
Sep. 19, 1978

Filed:

Dec. 13, 1976
Applicant:
Inventors:

Karl W Boddeker, Hamburg, DE;

Walter Hilgendorff, Tespe, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C02B / ;
U.S. Cl.
CPC ...
2103 / ; 210346 ; 2104 / ; 210488 ;
Abstract

Apparatus for desalinating water by reverse osmosis, having a series of pus discs each covered on both sides by a membrane, and compressed at their edges between respective pairs of a stack of module plates which are identical and which each consist of two mirror image halves, alternate module plates in the stack being rotated through 180.degree.. A zig-zag flow path through the stack is thereby provided with desalinated water passing by reverse osmosis into the porous discs and hence radially outward of the stack for collection.


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