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:
Sep. 07, 2021
Filed:
Mar. 03, 2021
Applicant:
Ovivo Inc., Montreal, CA;
Inventors:
James Goldhardt, Layton, UT (US);
Haydon Christiansen, Sandy, UT (US);
Jacob Harwood, North Salt Lake, UT (US);
Assignee:
Ovivo Inc., Montreal, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 11/04 (2006.01); C02F 3/28 (2006.01); C02F 103/00 (2006.01);
U.S. Cl.
CPC ...
C02F 11/04 (2013.01); C02F 3/2853 (2013.01); C02F 3/2873 (2013.01); C02F 2103/005 (2013.01);
Abstract
In a municipal sewage treatment system, a biological process tank, typically an anaerobic digestion process, has a flexible, inflated membrane cover. At least one draft tube mixer is installed on the tank, interrupting the gas supported cover with a platform having a flat base and may have upwardly extending sides that generally follow the contour of the inflated cover. The draft tube is connected to the platform and preferably supported on the floor of the tank. The mixer mechanism can be lifted out of the draft tube without escape of gas from the inflated cover.