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Patent
D738824
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Priority
Apr 11 2012
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Filed
Oct 10 2012
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Issued
Sep 15 2015
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Expiry
Sep 15 2029
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Assg.orig
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Entity
unknown
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7
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33
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n/a
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The ornamental design for a wind turbine blade, as shown and described.
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FIG. 1 is a rear perspective view of a wind turbine blade showing my new design.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a top plan view thereof.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is an enlarged left side elevational view thereof; and,
FIG. 7 is an enlarged right side elevational view thereof.
Hoffmann, Alexander
| Patent |
Priority |
Assignee |
Title |
| 2633921, |
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| 3874816, |
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|
|
| 4297076, |
Jun 08 1979 |
Lockheed Martin Corporation |
Wind turbine |
| 4449682, |
Jan 03 1979 |
BOEING COMPANY THE, SEATTLE, WA A CORP OF DE |
Aerodynamically contoured, low drag wing, engine and engine nacelle combination |
| 4692095, |
Apr 26 1984 |
Sir Henry Lawson-Tancred, Sons & Co. Ltd. |
Wind turbine blades |
| 5320491, |
Jul 09 1992 |
Northern Power Systems, Inc. |
Wind turbine rotor aileron |
| 5354175, |
Mar 16 1992 |
Northern Power Systems, Inc. |
Wind turbine rotor hub and teeter joint |
| 5653406, |
Jun 07 1993 |
Fuji Jukogyo Kabushiki; Japan Aircraft Development |
Nacelle apparatus for an airplane |
| 5746576, |
Oct 15 1996 |
XZERES CORP |
Wind energy conversion device with angled governing mechanism |
| 6270308, |
Nov 21 1998 |
|
Wind generator |
| 6752595, |
Mar 26 2001 |
Hitachi Zosen Corporation |
Propeller type windmill for power generation |
| 6830436, |
Feb 22 2002 |
MITSUBISHI HEAVY INDUSTRIES, LTD |
Wind turbine provided with nacelle |
| 6940185, |
Apr 10 2003 |
Advantek LLC |
Advanced aerodynamic control system for a high output wind turbine |
| 7246991, |
Sep 23 2002 |
|
Wind turbine blade deflection control system |
| 7614200, |
Oct 09 2001 |
|
Method for building a foundation, in particular a foundation for a wind turbine tower |
| 20020153728, |
|
|
|
| 20110103950, |
|
|
|
| D252572, |
Jan 31 1977 |
|
Wind turbine |
| D271303, |
May 11 1981 |
Windgen, Limited |
Wind turbine |
| D327074, |
Apr 03 1990 |
American Hovercraft & Sports, Inc. |
Propeller blade |
| D439324, |
Sep 22 1998 |
Energy Australia |
Turbine blade |
| D480360, |
Feb 20 2002 |
EJB LLC |
Wind powered generator |
| D509794, |
Oct 01 2003 |
SHINKO ELECTRIC CO , LTD |
Wind power generator |
| D511495, |
Sep 25 2003 |
SHINKO ELECTRIC CO , LTD |
Wind power generator |
| D517986, |
Jun 06 2002 |
|
Wind turbine and rotor blade of a wind turbine |
| D637954, |
Dec 17 2009 |
SIEMENS GAMESA RENEWABLE ENERGY A S |
Wind turbine |
| D639239, |
Jul 23 2007 |
WOBBEN, ALOYS |
Rotor blades and nacelle |
| D639240, |
Jul 23 2007 |
WOBBEN, ALOYS |
Wind turbine |
| D658124, |
Apr 08 2011 |
Delta Electronics, Inc |
Wind turbine |
| D665739, |
May 31 2011 |
ENVISION ENERGY DENMARK APS |
Blade |
| DE40109165, |
|
|
|
| EM16317710001, |
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|
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| EM18360400001, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a