BOUYANCY-ASSISTED WEIR
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Apr 25, 2024
app pub date -
Feb 8, 2022
filing date -
Feb 8, 2022
priority date (Note) -
Published
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A weir comprising: a water impervious flexible membrane; a buoyancy member; and a tether, wherein, in use, the membrane comprises a lower edge portion and an upper edge portion, the lower edge portion is fixed with respect to a bed of a body of water, the membrane and the buoyancy member are attached to one another in the upper edge portion, and the tether comprises a first end portion, which is attached to the buoyancy member and/or to the membrane in the upper edge portion, and a second end portion that is attached to an anchorage.
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 | |
---|---|---|
VERDERG LIMITED | 98 HIGH STREET HORSELL WOKING SURREY GU21 4SU |
International Classification(s)

- 2022 Application Filing Year
- E02B Class
- 169 Applications Filed
- 87 Patents Issued To-Date
- 51.48 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Roberts, Peter | Woking, GB | 60 | 798 |
# of filed Patents : 60 Total Citations : 798 | |||
Yang, Yong | Kállered, SE | 636 | 3335 |
# of filed Patents : 636 Total Citations : 3335 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- E02B Class
- 0 % this patent is cited more than
- 1 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Oct 25, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 25, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 25, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
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