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:
Aug. 31, 2004
Filed:
Oct. 05, 2000
Applicant:
Inventors:
Wayne Ernest Conrad, Hampton, CA;
Helmut Gerhard Conrad, Hampton, CA;
Assignee:
Fantom Technologies Inc., Welland, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/10 ;
U.S. Cl.
CPC ...
A47L 9/10 ;
Abstract
A vacuum cleaner has a first cyclonic cleaning stage and a second cyclonic stage positioned in series with the first cyclonic cleaning stage. The second cyclonic stage comprises a plurality of second stage cyclones. A passage connects the first cyclonic cleaning stage outlet and the second stage cyclones inlets. The passage does not increase in cross-sectional area in a downstream direction.