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Patent
   D815597
Priority
Oct 30 2014
Filed
Apr 30 2015
Issued
Apr 17 2018
Expiry
Apr 17 2032
Inventors
Cawthorne,…
Assg.orig
Openhydro …
Assg.curr
Openhydro …
Entity
unknown
Referenced by
5
References
10
Maint.:
n/a
The ornamental design for a hydroelectric turbine, substantially as shown and described.

FIG. 1 is a perspective view of a hydroelectric turbine;

FIG. 2 is a front/back view thereof; and,

FIG. 3 is a side view thereof.
INVENTORS:

Cawthorne, Simon

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D932434, Nov 29 2019 Hydropower magnifying turbine
D949791, Apr 10 2019 FLOWGEN DEVELOPMENT & MANAGEMENT AG Power station
D949792, Oct 10 2019 FLOWGEN DEVELOPMENT & MANAGEMENT AG Wind turbine
ER4807,
ER7181,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3433024,
4744698, Dec 31 1986 LME Petroscope Limited Method and apparatus for installing marine silos
4843249, Aug 09 1988 Hydroelectric system
6168373, Apr 07 1999 Dual hydroturbine unit
8864439, Jul 14 2006 OpenHydro Group Limited Tidal flow hydroelectric turbine
9234492, Dec 23 2010 Openhydro IP Limited Hydroelectric turbine testing method
240810,
D543495, Aug 01 2006 OPENHYDRO GROUP LTD Open center turbine
D710303, Oct 28 2013 Plug for a turbine
D715737, May 09 2013 Wind turbine
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 30 2015Openhydro IP Limited(assignment on the face of the patent)
Jan 04 2018CAWTHORNE, SIMONOpenhydro IP LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0447510663 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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