Aircraft environmental control system
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Feb 4, 2025
Grant Date -
Feb 3, 2022
app pub date -
Jul 30, 2021
filing date -
Jul 30, 2021
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Abstract
An air cycle machine for an environmental control system for an aircraft includes at least one turbine configured to receive and extract work from a first medium and a third medium. A compressor is configured to compress a second medium and a shaft mechanically couples the at least one turbine and the compressor. A mixing point is located downstream of at least one turbine. A mixture of the first medium and the third medium generated at the mixing point is provided to another component of the environmental control system.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- HAMILTON SUNDSTRAND CORPORATION
International Classification(s)

- 2021 Application Filing Year
- F25B Class
- 957 Applications Filed
- 458 Patents Issued To-Date
- 47.86 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bruno, Louis J | Ellington, US | 123 | 1254 |
# of filed Patents : 123 Total Citations : 1254 | |||
Coutin, Aiden | Enfield, US | 25 | 75 |
# of filed Patents : 25 Total Citations : 75 | |||
Ho, Tony | Glastonbury, US | 71 | 446 |
# of filed Patents : 71 Total Citations : 446 |
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Patent Citation Ranking
- 0 Citation Count
- F25B Class
- 0 % this patent is cited more than
- < 1 Age
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- 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 | Aug 4, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 4, 2032 |
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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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Feb 16, 2017 | P | Published | |
Dec 21, 2015 | F | Filing |

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