Single movement convergent and convergent-divergent nozzle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 20, 2023
Grant Date -
Jul 28, 2022
app pub date -
Apr 12, 2022
filing date -
Feb 27, 2020
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A variable exhaust nozzle for use with a gas turbine engine includes an outer shroud and an inner plug that can move relative to the outer shroud. The relative movement of the inner plug and the outer shroud changes the shape of the variable exhaust nozzle from one that converges in area to one that converges and then diverges in area.
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 | |
---|---|---|
ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC | 2059 S TIBBS AVE INDIANAPOLIS IN 46241 |
International Classification(s)

- 2022 Application Filing Year
- F02K Class
- 307 Applications Filed
- 160 Patents Issued To-Date
- 52.12 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Lerg, Bryan H | Carmel, US | 23 | 128 |
# of filed Patents : 23 Total Citations : 128 | |||
Sanderson, Andrew | Indianapolis, US | 15 | 130 |
# of filed Patents : 15 Total Citations : 130 | |||
Sutterfield, David L | Greenwood, US | 15 | 56 |
# of filed Patents : 15 Total Citations : 56 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F02K Class
- 0 % this patent is cited more than
- 2 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Dec 20, 2026 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 20, 2030 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 20, 2034 |
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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 |
Full Text

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