Surface treatment system design for high fatigue life hollow fan blades
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 22, 2024
Grant Date -
Feb 22, 2024
app pub date -
Aug 22, 2022
filing date -
Aug 22, 2022
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 system for deep rolling a fan blade including a shaft assembly disposed along a first axis; a hub connected to a distal end of the shaft assembly, the hub having an upper hub portion and a lower hub portion extending along a second axis, the second axis forming an angle relative to a first axis; a roller disk joined to the lower portion of the hub, the roller disk configured to contact a fan blade; a fixture supporting the fan blade; the fixture comprising a body supporting a pivot clamp attached to the body with a pivot; a support attached to the body, the support is configured to engage an airfoil portion of the fan blade; a receiver formed in the body for supporting a root of the fan blade; and a shoulder attached to the body configured to support a platform portion of the fan blade.
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 | |
---|---|---|
RTX CORPORATION | 10 FARM SPRINGS ROAD FARMINGTON CT 06032 |
International Classification(s)

- 2022 Application Filing Year
- B23Q Class
- 422 Applications Filed
- 130 Patents Issued To-Date
- 30.81 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Barnat, Krzysztof | Berlin, US | 18 | 48 |
# of filed Patents : 18 Total Citations : 48 | |||
Bedard, Benjamin | Manchester, US | 7 | 4 |
# of filed Patents : 7 Total Citations : 4 | |||
El-Wardany, Tahany | Vernon, US | 10 | 12 |
# of filed Patents : 10 Total Citations : 12 | |||
Klecka, Michael A | Coventry, US | 46 | 379 |
# of filed Patents : 46 Total Citations : 379 | |||
Kuczek, Andrzej E | Bristol, US | 30 | 108 |
# of filed Patents : 30 Total Citations : 108 | |||
Salva, Randy P | Baltic, US | 8 | 16 |
# of filed Patents : 8 Total Citations : 16 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- B23Q Class
- 0 % this patent is cited more than
- 1 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Apr 22, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 22, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 22, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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

Legal Events
Date | Code | Event | Description |
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Jun 08, 2022 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Dec 18, 2018 | P | Publication | |
Nov 28, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Apr 25, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:JAIN, SANJAY;PAPAIOANNOU, IOANNIS;THOBHANI, SMITA;SIGNING DATES FROM 20070716 TO 20070717;REEL/FRAME:038377/0272 Owner name: LIPOXEN TECHNOLOGIES LIMITED, UNITED KINGDOM |
Apr 14, 2016 | P | Published | |
Dec 19, 2015 | F | Filing | |
Feb 23, 2005 | PD | Priority Date |

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