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, 1982
Filed:
Sep. 24, 1980
Applicant:
Inventor:
George D Foss, River Falls, WI (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
422171 ; 422178 ; 422181 ; 55290 ; 55301 ; 55316 ; 55390 ; 55486 ; 55487 ;
Abstract
An improved rotatable collector, which by its position becomes a filtering and adsorbing station and a combustion and desorbing station, and an oxidizer are utilized in an apparatus and process for removing airborne particulate materials and organic vapors from an air stream. The rotatable collector comprises an assembly of alternate layers of refractory microfiber, metal screens, and a thin layer of adsorbent carbon.