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:
Jan. 25, 2000
Filed:
Dec. 09, 1997
Applicant:
Inventor:
Siegfried Harmsen, St. Georgen, DE;
Assignee:
Papst-Motoren GmbH & Co. KG, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
4162 / ; 4151212 ; 415119 ; 415191 ; 415195 ; 4152082 ; 4152101 ; 4152112 ; 415220 ; 41742314 ;
Abstract
This invention relates to an axial fan housing having a metallic shielding grating covering an air passage opening, wherein the grating is formed with a series of vane-like guide bars arranged in two or more concentric circular series. The number of guide bars in each circular concentric series increases from the radially inner series to the radially outer series of guide bars.
Harmsen, Siegfried. (2000). Axial ventilator housing (U.S. Patent No. 6017191). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6017191
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile