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:
Sep. 14, 2010
Filed:
Jun. 22, 2004
Applicants:
Kazuya Omori, Aichi, JP;
Kazuo Ogino, Aichi, JP;
Takaaki Nakasone, Aichi, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lateral plate and a main plate are provided inside a casing, and a plurality of blades are circularly arranged on this main plate. A plurality of asperities are formed from the front blade edge toward the rear blade edge on at least one of dorsal and ventral sides of each blade.