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:
May. 21, 2024
Filed:
Sep. 09, 2022
Applicant:
Ebm-papst Mulfingen Gmbh & Co. KG, Mulfingen, DE;
Inventors:
Assignee:
ebm-papst Mulfingen GmbH & Co. KG, Mulfingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/32 (2006.01); F04D 29/38 (2006.01);
U.S. Cl.
CPC ...
F04D 29/38 (2013.01); F04D 29/281 (2013.01); F04D 29/325 (2013.01);
Abstract
A fan blade () has a front inflow edge () and a rear outflow edge (). The fan blade () also has an at least partially wavy inflow edge (), that forms a wave (W) having a specific three-dimensional waveform.