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:
Oct. 24, 1995
Filed:
Sep. 15, 1994
Applicant:
Inventor:
Ralf Wolbers, Schuttorf, DE;
Assignee:
Wapura Trinkwassereinigungs GmbH, Schuttorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210136 ; 2102571 ; 210258 ; 2104163 ;
Abstract
A permeate pump located between a reverse osmosis water filter and an accumulator of a reverse osmosis water purification system. The permeate pump increases the pressure of the permeate water delivered to the accumulator. The permeate pump is driven by the pressure of the concentrate water that is introduced into the reverse osmosis filter.