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:
Dec. 01, 1981
Filed:
Oct. 14, 1980
Applicant:
Inventors:
H David Stensel, Summit Park, UT (US);
Peter Maier, Salt Lake City, UT (US);
Mark G Biesinger, Salt Lake City, UT (US);
David R Refling, Summit Park, UT (US);
Ronald P Klepper, Salt Lake City, UT (US);
John V Maxham, Salt Lake City, UT (US);
Assignee:
Envirotech Corporation, Menlo Park, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
2101954 ; 210197 ; 210219 ; 210521 ; 210525 ; 210926 ;
Abstract
There is provided a system for treating wastewater having a tank and a partition mounted in the tank to define an endless circuitous channel. An aerator and impeller is mounted in the tank to cause the liquid to flow through the channel. A clarifier is disposed in the channel and has a liquid outlet in its upper portion.