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. 08, 2017
Filed:
Mar. 31, 2015
Applicant:
Assa Abloy Entrance Systems Ab, Landskrona, SE;
Inventors:
L. Blake Whitley, Arlington, TX (US);
Richard K. Hoofard, Dallas, TX (US);
Assignee:
ASSA ABLOY Entrance Systems AB, Landskrona, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F04D 25/08 (2006.01); B29C 44/12 (2006.01); F04D 19/00 (2006.01); F04D 29/32 (2006.01); F04D 29/34 (2006.01); B29K 75/00 (2006.01); B29L 31/08 (2006.01); B29K 655/02 (2006.01);
U.S. Cl.
CPC ...
F04D 29/388 (2013.01); B29C 44/1271 (2013.01); F04D 19/002 (2013.01); F04D 25/088 (2013.01); F04D 29/325 (2013.01); F04D 29/34 (2013.01); B29K 2075/00 (2013.01); B29K 2655/02 (2013.01); B29K 2995/0063 (2013.01); B29L 2031/082 (2013.01); F05D 2240/307 (2013.01); F05D 2300/612 (2013.01);
Abstract
Fans having fan blades with lightweight blade tips are disclosed herein. In one embodiment, for example, each fan blade includes a blade tip attached to an end portion of a main airfoil. The blade tip includes a shaped body that is molded over a support structure to form the shape and exterior surface of the blade tip.