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:
Mar. 24, 1987
Filed:
Feb. 21, 1986
Applicant:
Inventor:
Johnny L Trimmer, Antioch, CA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2103211 ; 2104332 ; 210450 ;
Abstract
A hollow fiber reverse osmosis permator separation unit capable of producing over 100,000 gallons per day of processed water. The hollow fibers are spirally wound on a hollow core creating a bundle of fiber lengths. Each of the fiber lengths pass through a tubesheet which is drilled with a hole pattern that cuts through all of the hollow fibers.
Trimmer, Johnny. (1987). Tubesheet for spiral wound hollow fiber permeator (U.S. Patent No. 4652373). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4652373
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile