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:
Feb. 14, 1995
Filed:
Dec. 01, 1993
Applicant:
Inventor:
John Richards, London, GB;
Assignee:
Dorr-Oliver Incorporated, Milford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210188 ; 210520 ; 210528 ; 210530 ; 210539 ;
Abstract
A clarifier comprising a tank, a feedwell, a cover and a raking structure. The cover is rotatably and sealingly engaged with the tank so as to prevent foul air within the tank from escaping into the atmosphere. The feed well and the raking structure are supported by and rotatable with the cover. The clarifier further includes a drive means for rotating the cover.