Gas turbine engine starter reduction gear train with stacked planetary gear systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 25, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jul 5, 2016
filing date -
Jul 5, 2016
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Abstract
According to an aspect, a system for a gas turbine engine includes a reduction gear train operable to drive rotation of a starter gear train that interfaces to an accessory gearbox of the gas turbine engine. The reduction gear train includes a starter interface gear that engages the starter gear train, a core-turning clutch operably connected to the starter interface gear, and a plurality of stacked planetary gear systems operably connected to the core-turning clutch and a core-turning input. The system also includes a mounting pad including an interface to couple a core-turning motor to the core-turning input of the reduction gear train.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HAMILTON SUNDSTRAND CORPORATION | FOUR COLISEUM CENTRE 2730 WEST TYVOLA ROAD CHARLOTTE NC 28217-4578 |
International Classification(s)

- 2016 Application Filing Year
- F02C Class
- 1716 Applications Filed
- 1148 Patents Issued To-Date
- 66.90 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Brown, Jeff A | Cherry Valley, US | 18 | 67 |
# of filed Patents : 18 Total Citations : 67 | |||
Davis, Richard Alan | Stillman Valley, US | 26 | 266 |
# of filed Patents : 26 Total Citations : 266 | |||
Fox, Paul F | Loves Park, US | 13 | 51 |
# of filed Patents : 13 Total Citations : 51 | |||
Harder, Benjamin T | DeKalb, US | 18 | 48 |
# of filed Patents : 18 Total Citations : 48 | |||
Hergert, Richard R | Rockton, US | 10 | 102 |
# of filed Patents : 10 Total Citations : 102 | |||
McMasters, Brian | Caledonia, US | 8 | 30 |
# of filed Patents : 8 Total Citations : 30 | |||
Nguyen, James Vandung | Rockford, US | 10 | 28 |
# of filed Patents : 10 Total Citations : 28 | |||
Roberts, Jeffrey Todd | Winnebago, US | 13 | 33 |
# of filed Patents : 13 Total Citations : 33 | |||
Slayter, Matthew Allen | Rockford, US | 27 | 67 |
# of filed Patents : 27 Total Citations : 67 | |||
Walker, Daniel Richard | Rockford, US | 9 | 30 |
# of filed Patents : 9 Total Citations : 30 | |||
Wilson, Dwayne Leon | Rockford, US | 7 | 27 |
# of filed Patents : 7 Total Citations : 27 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- F02C Class
- 0 % this patent is cited more than
- 6 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 25, 2026 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 25, 2030 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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
- No Legal Status data available.

Matter Detail

Renewals Detail
