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. 03, 1981

Filed:

Mar. 29, 1976
Applicant:
Inventors:

David A Hines, Stockton-on-Tees, GB;

Richard T Jones, Stockton-on-Tees, GB;

Frank C Roesler, Stockton-on-Tees, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 44 ; 2102212 ; 210194 ; 210738 ;
Abstract

Solids-liquid separation, wherein a solids-liquid mixture containing dissolved oxygen-containing gas is circulated around a circulatory system comprising a downcomer and a riser, part of the mixture in the riser being introduced into a flotation chamber in which the hydrostatic pressure gradually decreases as the mixture flows upwards, with consequent release from solution of gas bubbles which carry solid particles to the top of the mixture.


Find Patent Forward Citations

Hines, David. (1981). Sewage treatment-flotation apparatus (U.S. Patent No. 4253949). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4253949

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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