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. 19, 1978
Filed:
Jun. 30, 1977
Applicant:
Inventor:
Wilbur N Torpey, New York, NY (US);
Assignee:
Autotrol Corporation, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02C / ;
U.S. Cl.
CPC ...
210 17 ;
Abstract
A method of wastewater treatment employing multistage, partially submerged, rotating contactors wherein at least the attached biological slimes on the surfaces of the contactors in the first two stages are exposed to an oxygen enriched gaseous environment and the slime surfaces on each stage are supplied with wastewater at a filtrate BOD.sub.5 loading rate from about 3 to about 10 pounds per day per 1,000 square feet of contactor surface area.
Torpey, Wilbur. (1978). Wastewater treatment (U.S. Patent No. 4130482). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4130482
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile