How many patents does
Rolls-Royce North American Technologies have?
patents
1,576
families
453
granted
342
applications
1,234
US
751
EP
453
WO
188
JP
11
GB
8
CN
6
KR
5
RoW
154
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Rolls-Royce North American Technologies
Top ten assignees appearing on patents
2009 - 2018
Rolls-Royce North American Technologies
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| synchronous electric power distribution startup system | 20 | 2015 |
| adaptive trans-critical co2 cooling systems for aerospace applications | 16 | 2013 |
| turbine shroud segment with flange-facing perimeter seal | 14 | 2015 |
| three stream, variable area fixed aperture nozzle with pneumatic actuation | 13 | 2013 |
| gas turbine engines with flutter control | 12 | 2016 |
| retention pin and method of forming | 11 | 2013 |
| variable vane for gas turbine engine | 10 | 2010 |
| variable pressure ratio compressor | 10 | 2008 |
| gas turbine engine and cooled flowpath component therefor | 10 | 2010 |
| blade track assembly, components, and methods | 10 | 2011 |