Nitrophobic surface for extreme thrust gain
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
May 16, 2016
filing date -
May 15, 2015
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
The present disclosure describes a new type of selective nitrophobic surface membrane in a plasma actuator that separates oxygen from nitrogen in the atmosphere, thereby increasing the presence of oxygen near an exposed electrode of the plasma actuator. Accordingly, the plasma flow created in the presence of oxygen at the exposed electrode generates more force than plasma flow created in the presence of nitrogen.
First Claim
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Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
UNIVERSITY OF FLORIDA RESEARCH FOUNDATION INC | 223 GRINTER HALL GAINSVILLE FL 32611 |
International Classification(s)

- 2016 Application Filing Year
- F15C Class
- 18 Applications Filed
- 17 Patents Issued To-Date
- 94.45 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Roy, Subrata | Gainesville, US | 48 | 717 |
# of filed Patents : 48 Total Citations : 717 | |||
Ziegler, Kirk Jeremy | Gainesville, US | 10 | 47 |
# of filed Patents : 10 Total Citations : 47 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F15C Class
- 0 % this patent is cited more than
- 7 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 | Jan 24, 2026 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 24, 2030 |
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 |
---|---|---|---|
Aug 29, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Aug 29, 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: SMALL ENTITY |
Jul 24, 2022 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Jul 24, 2022 |
Mar 14, 2022 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Jul 24, 2018 | P | Publication | |
Jul 04, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Mar 26, 2018 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROY, SUBRATA;ZIEGLER, KIRK JEREMY;SIGNING DATES FROM 20160524 TO 20180323;REEL/FRAME:045716/0933 Owner name: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC., F |
Nov 17, 2016 | P | Published | |
May 16, 2016 | F | Filing |

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