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:
Mar. 01, 1994
Filed:
Jan. 13, 1993
Richard J Osendorf, West St. Paul, MN (US);
Paul C Peterson, New Prague, MN (US);
Donald R Monson, West St. Paul, MN (US);
Donaldson Company, Inc., Minneapolis, MN (US);
Abstract
The present invention pertains to a refillable gas adsorption bed assembly having a box-like, generally rectangular frame The frame has a pair of oppositely disposed side members and a pair of oppositely disposed end members. There is a first and a second rectangular fine mesh screen mounted within the frame on opposite sides of a filler opening through one of the side members. The first and second prefilters are mounted within the frame. The first prefilter is disposed to one side of both screens and the second prefilter is disposed on the opposite side of both screens. The invention includes a housing for the gas adsorption bed assembly and a counterflow adsorber module formed by operably connecting the housings end-to-end.