Patent
   D514125
Priority
Sep 03 2004
Filed
Sep 03 2004
Issued
Jan 31 2006
Expiry
Jan 31 2020
Assg.orig
Entity
unknown
12
9
n/a
The ornamental design for an impeller, as shown and described.

FIG. 1 is a perspective view of the impeller of this invention;

FIG. 2 is a front view of the impeller of FIG. 1, with the back view being the same;

FIG. 3, is a left view of the impeller of FIG. 1, with the right view being the same;

FIG. 4 is a top view of the impeller of FIG. 1;

FIG. 5 is a sectional view of the impeller of FIG. 1 taken along section 5—5 of FIG. 4;

FIG. 6 is a sectional view of the impeller of FIG. 1 taken along section 6—6 of FIG. 4;

FIG. 7 is a sectional view of the impeller of FIG. 1 taken along section 7—7 of FIG. 4;

FIG. 8 is a sectional view of the impeller of FIG. 1 taken along section 8—8 of FIG. 4;

FIG. 9 is a sectional view of the impeller of FIG. 1 taken along section 9—9 of FIG. 4;

FIG. 10 is a sectional view of the impeller of FIG. 1 taken along section 10—10 of FIG. 4;

FIG. 11 is a sectional view of the impeller of FIG. 1 taken along section 11—11 of FIG. 4;

FIG. 12 is a sectional view of the impeller of FIG. 1 taken along section 12—12 of FIG. 4;

FIG. 13 is a sectional view of the impeller of FIG. 1 taken along section 13—13 of FIG. 4;

FIG. 14 is a bottom view of the impeller of FIG. 1; and,

FIG. 15 is a perspective view of a cross-section of the impeller of this invention taken along section 9—9 of FIG. 4.

The cross-sectional views in FIGS. 5-13 are taken at ten degree intervals, with the impeller being symmetric.

Cook, Martin C.

Patent Priority Assignee Title
10377097, Jun 20 2016 TERUMO CARDIOVASCULAR SYSTEMS, INC ; Terumo Cardiovascular Systems Corporation Centrifugal pumps for medical uses
8152493, Apr 30 2007 HEARTWARE, INC Centrifugal rotary blood pump with impeller having a hydrodynamic thrust bearing surface
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D591771, Mar 14 2008 MINEBEA CO , LTD Pipe-shaped compressor blades design
D606564, Mar 27 2009 Shinmaywa Industries, Ltd. Pump impeller
D607472, Mar 27 2009 Shinmaywa Industries, Ltd. Pump impeller
D613768, May 08 2009 Shinmaywa Industries, Ltd. Pump impeller
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D692275, Feb 28 2013 SHARKNINJA OPERATING LLC Coupling
Patent Priority Assignee Title
4904158, Aug 18 1988 PRAXAIR TECHNOLOGY, INC Method and apparatus for cryogenic liquid expansion
5639217, Feb 12 1996 Kawasaki Jukogyo Kabushiki Kaisha Splitter-type impeller
6227797, Mar 30 1999 TC1 LLC Rotary pump with hydrodynamically suspended impeller
6250880, Sep 05 1997 TC1 LLC Rotary pump with exclusively hydrodynamically suspended impeller
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 02 2004COOK, MARTIN C Ventracor LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0157770238 pdf
Sep 03 2004Ventracor Limited(assignment on the face of the patent)
Jan 21 2010Ventracor LimitedThoratec CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0242720577 pdf
Nov 12 2015Thoratec CorporationTHORATEC LLCENTITY CONVERSION0486130146 pdf
Jan 26 2018THORATEC LLCTC1 LLCCONFIRMATORY ASSIGNMENT0451930930 pdf
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