Gas turbine engine component paired film cooling holes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 5, 2018
Issued Date -
Jan 7, 2016
app pub date -
Feb 5, 2014
filing date -
Feb 26, 2013
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A gas turbine engine component includes a wall that provides exterior and interior surfaces. The interior surface faces an internal cooling passage of the gas turbine engine component. An aperture extends through the wall and interconnects the interior and exterior surfaces to one another and is configured to provide a cooling fluid from the cooling passage to the exterior surface. The aperture has first and second outlet holes overlapping one another at an intersection to provide opposing sharp corners at the intersection.
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 | |
---|---|---|
RTX CORPORATION | 10 FARM SPRINGS ROAD FARMINGTON CT 06032 |
International Classification(s)

- 2014 Application Filing Year
- F02C Class
- 1384 Applications Filed
- 1065 Patents Issued To-Date
- 76.96 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Dierberger, James A | Hebron, US | 29 | 779 |
# of filed Patents : 29 Total Citations : 779 |
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Patent Citation Ranking
- 0 Citation Count
- F02C Class
- 0 % this patent is cited more than
- 7 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 | Dec 5, 2025 |
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Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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Date | Code | Event | Description |
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Sep 29, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Apr 10, 2018 | I | Issuance | |
Mar 21, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 04, 2016 | P | Published | |
Mar 16, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KONTETZKI, ARTHUR;REEL/FRAME:038134/0895 Owner name: VOITH PATENT GMBH, GERMANY Effective Date: Mar 16, 2016 |
Sep 11, 2014 | F | Filing | |
Sep 11, 2013 | PD | Priority Date |

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