Winglet for a fan blade Patent Grant Oleson August 2, 2 [Delta T Corporation]

Winglet for a fan blade

Oleson August 2, 2

Patent Grant D642674

U.S. patent number D642,674 [Application Number D/331,604] was granted by the patent office on 2011-08-02 for winglet for a fan blade. This patent grant is currently assigned to Delta T Corporation. Invention is credited to Richard A. Oleson.

United States Patent	D642,674
Oleson	August 2, 2011

Winglet for a fan blade

Claims

CLAIM The ornamental design for a winglet for a fan blade, as shown and described.

Inventors:	Oleson; Richard A. (Lexington, KY)
Assignee:	Delta T Corporation (Lexington, KY)
Family ID:	40385878
Appl. No.:	D/331,604
Filed:	January 29, 2009

Related U.S. Patent Documents


Application Number	Filing Date	Patent Number	Issue Date
29322996	Aug 15, 2008	D587799

Current U.S. Class:	D23/411
Current CPC Class:	F04D29/384 20130101
Current International Class:	2304
Field of Search:	;D23/411,377,413,379,385 ;415/221,223R

References Cited [Referenced By]

U.S. Patent Documents


1041913	October 1912	Tyson
2014032	September 1935	Sharpe et al.
3524712	August 1970	Keen et al.
4662823	May 1987	Cooke
4968216	November 1990	Anderson et al.
5226783	July 1993	Mita
5564901	October 1996	Moore
5725355	March 1998	Crall et al.
5823480	October 1998	La Roche
6039541	March 2000	Parker et al.
6161797	December 2000	Kirk et al.
6244821	June 2001	Boyd et al.
6517315	February 2003	Belady
6565320	May 2003	Surles et al.
6719533	April 2004	Bird
6776578	August 2004	Belady
6884034	April 2005	Parker et al.
6939108	September 2005	Boyd
7284960	October 2007	Aynsley
D587799	March 2009	Oleson
2003/0095864	May 2003	Ivanovic
2008/0008596	January 2008	Aynsley

Foreign Patent Documents


3 819 145	Dec 1989	DE
3819145	Dec 1989	DE
1 619 391	Jan 2006	EP
100134	Mar 1917	GB
946 794	Jan 1964	GB
2050530	Jan 1981	GB
2 198 190	Jun 1988	GB
WO 2006/022812	Mar 2006	WO

Other References

Airfoil Design: HVLS dated Dec. 9, 2002. cited by other .
A Fan for All Seasons, Bell & Howell Information and Learning, American Society of Mechanical Engineers, Mechanical Engineering, vol. 121(12), pp. 58-60. cited by other .
Screenshots from http://www.b737.org.uk, printed on May 2004. cited by other .
Screenshots from oea.larc.nasa.gov, printed May 2004. cited by other .
Screenshots from Penn State Engineering website, printed May 2004. cited by other .
Boeing 747-400 Twin-Aisle Jet Airliner, USA, Screenshot from http://www.aerospace-technology.com/projects/747/7473.html, printed on Aug. 11, 2008. cited by other .
U.S. Appl. No. 11/046,341, filed Jan. 28, 2005, Aynsley. cited by other .
U.S. Appl. No. 11/046,593, filed Jan. 28, 2005, Anysley. cited by other .
U.S. Appl. No. 11/777,344, filed Jul. 13, 2007, Anysley. cited by other .
U.S. Appl. No. 60/589,945, filed Jul. 21, 2004, Anysley. cited by other .
747-400, Screenshot from http://www.boeing.com/commercial/747family/pf/pf.sub.--exterior.html, printed on Aug. 11, 2008. cited by other .
General Exterior Arrangement 737, Screenshot from http://www.boeing.com/commercial/737family/pf/pf.sub.--exterior.html, printed on Aug 11, 2008. cited by other .
Image: Winglet and nav light arp.jpg, Screenshot from http://en.wikipedia.org/wiki/Image: Winglet.sub.--and.sub.--nav.sub.--light.sub.--arp.jpg, printed Aug. 11, 2008. cited by other .
KC-135A in flight--closeup of winglet with attatched tufts, Screenshot from http://www.dfrc.nasa.gov/gallery/Photo/KC-135/Small/EC79-11481.jpg, printed Aug. 11, 2008. cited by other .
KC-135A in flight-winglet study, EC79-11314, Screenshot from http://www.dfrc.nasa.gov/gallery/Photo/KC-135/Small/EC79-11314.jpg, printed Aug. 11, 2008. cited by other .
KC-135A in flight-winglet study, EC79-11484, Screenshot from http://dfrc.nasa.gov/gallery/Photo/KC-135/Small/EC79-11484.jpg., printed Aug. 11, 2008. cited by other .
Montoya, L.C., KC-135 Winglet Flight Results, NASA Dryden Flight Research Center, pp. 145-156. cited by other .
NASA--NASA Dryden Technology Facts-Winglets, Screenshot from http://www.nasa.gov/centers/dryden/about/Organizations/Technology/Facts/T- F-2004-15-D, printed on Aug. 11, 2008. cited by other .
Winglet detail, Screenshot from http://upload.wikimedia.org/wikipedia/commons/5/53/Wingletdetail.jpg, printed on Aug. 11, 2008. cited by other .
Wingtip device, Screenshot from http://en.wikipedia.org/wiki/Wingtip.sub.--device, printed Aug. 11, 2008. cited by other .
EPO Search Report dated Aug. 21, 2006 for Application No. EP 05250653.2. cited by other .
EPO Search Report dated Aug. 22, 2006 for Application No. EP 05250654.0. cited by other .
EPO Search Report dated Jul. 1, 2008 for Application No. EP 05250632.2. cited by other .
EPO Search Report dated Jul. 1, 2008 for Application No. EP05250653.2. cited by other .
EPO Search Report dated Jul. 1, 2008 for Application No. EP 02 250654.0. cited by other .
Dairy Notes, University of California Cooperative Extension (May 1999). cited by other .
Fairbank, W.C. et al., A Large Paddle Fan for Livestock Cooling Canadian Society of Agricultural Engineering (Jun. 1989). cited by other .
International Search Report dated Aug. 19, 2005 for Application No. PCT/US05/02703. cited by other .
Jain et al., Experimental Investigation of the Flow Field of a Ceiling Fan, ASME Heart Transfer/Fluids Engineering Summer Conference; Paper No. HT-FED-2004-56226 (Jul. 2004). cited by other .
Notice of Allowance dated Jun. 4, 2007 for U.S. Appl. No. 11/046,341. cited by other .
Office Action dated Jan. 23, 2007 for U.S. Appl. No. 11/046,341. cited by other .
Office Action dated Jan. 25, 2007 for U.S. Appl. No. 11/046,593. cited by other .
Office Action dated May 14, 2007 for U.S. Appl. No. 11/046,593. cited by other .
Written Opinion dated Aug. 19, 2005 for Application No. PCT/US05/02703. cited by other .
Technical Guide: Commercial Industrial & Special Application Ceiling Fans. cited by other .
International Search Report and Written Opinion dated Jun. 24, 2008 for Application No. PCT/US2008/055266. cited by other .
U.S. Appl. No. 60/892,339, filed Mar. 1, 2007, Oleson. cited by other .
U.S. Appl. No. 60/972,890, filed Sep. 17, 2007, Oleson. cited by other .
U.S. Appl. No. 60/975,230, filed Sep. 26, 2007, Scherer et al. cited by other .
U.S. Appl. No. 60/978,860, filed Oct. 10, 2007, Aynsley et al. cited by other .
U.S. Appl. No. 61/025,852, filed Feb. 4, 2008, Toy cited by other .
U.S. Appl. No. 11/858,360, filed Sep. 20, 2007, Aynsley. cited by other .
U.S. Appl. No. 11/860,888, filed Sep. 25, 2007, Aynsley et al. cited by other.

Primary Examiner: Lichtenstein; Lisa
Attorney, Agent or Firm: Frost Brown Todd LLC

Description

FIG. 1 is a top perspective view of the present invention;

FIG. 2 is a bottom perspective view of the present invention;

FIG. 3 is a top elevational view of the present invention;

FIG. 4 is a bottom elevational view of the present invention;

FIG. 5 is a left elevational view of the present invention;

FIG. 6 is a right elevational view of the present invention;

FIG. 7 is a front elevational view of the present invention; and,

FIG. 8 is a back elevational view of the present invention.

The broken line showing of a portion of a fan blade and of a lower portion of a winglet is included for the purpose of illustrating environmental structure and forms no part of the claimed design.

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