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. 28, 1999
Filed:
Jul. 10, 1998
Applicant:
Inventor:
Bruce A Johnson, Lake Elmo, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
95287 ; 55486 ; 55487 ; 55498 ; 55527 ; 55528 ;
Abstract
An improved mist collector arrangement is provided. The arrangement includes an improved pre-filter for mist collection. The pre-filter has a multi-stage construction, and includes a preferred intermediate stage of fibrous media. As a result of the improvement, preferred operation for liquid collection under various circumstances is provided.