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. 03, 2002
Filed:
Mar. 19, 2001
Applicant:
Inventor:
Mark A. Cartellone, Broadview Heights, OH (US);
Assignee:
HMI Industries, Inc., Seven Hills, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/000 ; B01D 4/512 ; B01D 2/915 ; B01D 3/530 ;
U.S. Cl.
CPC ...
B01D 5/000 ; B01D 4/512 ; B01D 2/915 ; B01D 3/530 ;
Abstract
A vacuum cleaner having a reduced velocity chamber with a high velocity air inlet, an electric motor, a rotary blade driven by the motor to create a vacuum in the chamber, an outlet for exhausting air from the chamber, which air flows in a selected path from the air inlet, through the chamber and out the air exhaust outlet and a disposable porous sheet filter layer in the chamber for removing large solid particles from the air.