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. 09, 1976
Filed:
Sep. 26, 1974
Applicant:
Inventor:
Bernard R Shuler, Louisville, KY (US);
Assignee:
American Air Filter Company, Inc., Louisville, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55494 ; 55501 ; 55509 ; 55513 ; 55515 ; 55517 ; 55518 ; 55519 ; 98 3 / ; 98 36 ;
Abstract
A perforated floor panel for use in the construction of a floor for a 'clean room' having a return air system, and the like, which provides a controlled constant balanced pressure drop across the floor and a roughing filtration of air passing through it, the floor panel comprising a perforated floor pan, a balancing pad, and a balancing pad retainer which holds the balancing pad in position against the bottom surface of the floor pan.