SELECTABLE MODE RAMJET/ROCKET JET ENGINE
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 -
Feb 18, 2021
app pub date -
Jun 10, 2014
filing date -
Jun 10, 2013
priority date (Note) -
Published
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
The jet engine comprising a ramjet air path extending from an intake, into a combustion chamber, and out an exhaust nozzle, a fuel inlet leading into the combustion chamber, an oxidizer inlet leading into the combustion chamber and a partition being operable to selectively close the ramjet air path upstream of the combustion chamber to allow operation of the jet engine in rocket mode and open the ramjet air path to allow operation of the jet engine in ramjet mode.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
8801541 CANADA INC | 322 RANG 5 SAINTE-HEDWIDGE-DE-ROBERVAL QUEBEC G8H 0B2 |
International Classification(s)

- 2014 Application Filing Year
- F02K Class
- 434 Applications Filed
- 356 Patents Issued To-Date
- 82.03 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Laforest, Luc | Roberval, CA | 9 | 78 |
# of filed Patents : 9 Total Citations : 78 | |||
Rupcich, Timothy S | Kenaston, CA | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F02K Class
- 0 % this patent is cited more than
- 4 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 18, 2028 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 18, 2032 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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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