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:
Apr. 21, 1992
Filed:
Jun. 20, 1990
Applicant:
Inventors:
Richard D Hembree, Minneapolis, MN (US);
Brian F Sullivan, Minneapolis, MN (US);
David E Carmein, Minneapolis, MN (US);
Assignee:
Recovery Engineering, Inc., Minneapolis, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210266 ; 210414 ; 210415 ; 210276 ; 210282 ; 2104163 ; 210764 ;
Abstract
A water purification system including both a filter and a body of biocidally active material for microbiologically purifying biologically contaminated water. The system provides for the production of microbiologically purified water during both upstroke and downstroke of the plunger and includes a brush which can be reciprocated within the system for cleaning the filter.
Hembree, Richard. (1992). Portable water purification system including a filter cleaning mechanism (U.S. Patent No. 5106500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5106500
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile