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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.:

US 6647587 B1

PDFFull Text
Date of Patent:
Nov. 18, 2003

Filed:

Aug. 01, 2000

Vacuum cleaner using centrifugal force dust collection to prevent filter blinding

Applicant:
Inventors:

Naoyuki Ohara, Shiga, JP;

Saburo Kajikawa, Shiga, JP;

Tomonori Kato, Shiga, JP;

Hiroshi Mori, Shiga, JP;

Kouichi Ito, Shiga, JP;

Shin Yoshida, Shiga, JP;

Assignee:

Matsushita Electric Industrial Co., Ltd., Osaka, JP;

Attorney:

McDermott, Will & Emery

Primary Examiner:

Theresa T Snider

Int. Cl.
CPC ...
A47L 9/16 ;
U.S. Cl.
CPC ...
A47L 9/16 ;
Abstract

A vacuum cleaner includes an electric blower generating the suction force; a suction port body on which the suction force of the electric blower acts and which sucks in the dust on the surface to be cleaned; and a centrifugal force dust collection section to collect the dust from the suction port body. The electric blower includes a fan section and a low input type motor to drive the fan section.

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Ohara, Naoyuki. (2003). Vacuum cleaner using centrifugal force dust collection to prevent filter blinding (U.S. Patent No. 6647587). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6647587

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