Flexible water turbine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 10, 2017
Grant Date -
Feb 12, 2015
app pub date -
Mar 11, 2013
filing date -
Mar 9, 2012
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
A water mill, power generator, for use underwater, has a flexible support shaft which permits the water current to orient the turbine axis substantially parallel to the direction of flow so that the force of the water on the blades is optimized for a given turbine, without the need for slip ring style connections between the generator at the turbine and the 5 anchored base. Optionally, the design features fins or cowlings on the flexible support shaft to further improve reorientation of the turbine with the water current or flow acting as the source of power; and/or output power links or power conditioning systems at the anchored base. The generators may be selected to meet low rotation operating conditions, and the entire system may be designed for particular ocean bottom and/or current parameters applicable to the 10 deployment.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MEMORIAL UNIVERSITY OF NEWFOUNDLAND | ST JOHN'S NL A1B 3X9 |
International Classification(s)

- 2013 Application Filing Year
- H02K Class
- 2008 Applications Filed
- 1782 Patents Issued To-Date
- 88.75 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cook, Andrew | St. John's, CA | 68 | 615 |
# of filed Patents : 68 Total Citations : 615 | |||
Masek, Vlastimil | St. John's, CA | 2 | 9 |
# of filed Patents : 2 Total Citations : 9 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- H02K Class
- 16.06 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 10, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 10, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Jan 17, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jan 17, 2022 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Dec 12, 2021 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Dec 12, 2021 |
Aug 02, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Dec 12, 2017 | I | Issuance | |
Dec 12, 2017 | PD | Priority Date | |
Nov 21, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Nov 02, 2017 | P | Published | |
Apr 10, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HU, XING;ZHOU, GUIHONG;ZHANG, WEI;AND OTHERS;REEL/FRAME:042155/0433 Owner name: GRG BANKING EQUIPMENT CO., LTD., CHINA Effective Date: Apr 10, 2017 |
Aug 07, 2015 | F | Filing |

Matter Detail

Renewals Detail
