How many patents does
Sikorsky Aircraft Corporation have?
patents
2,663
families
812
granted
569
applications
2,094
US
1,199
EP
899
WO
475
CN
22
JP
9
RoW
59
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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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patent families
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Sikorsky Aircraft Corporation
Top ten assignees appearing on patents
2009 - 2018
Sikorsky Aircraft Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| acoustic signature variation of aircraft utilizing a clutch | 91 | 2014 |
| main rotor blade with integral tip section | 21 | 2007 |
| de-rotation system for counter-rotating, coaxial rotor hub shaft fairing | 11 | 2005 |
| infrared suppression system | 11 | 2005 |
| rotor blade for a high speed rotary-wing aircraft | 10 | 2005 |
| variable speed transmission for a rotary wing aircraft | 9 | 2005 |
| rotor moment feedback for stability augmentation | 9 | 2014 |
| split torque gearbox for rotary wing aircraft with translational thrust system | 9 | 2005 |
| rotor drive and control system for a high speed rotary wing aircraft | 9 | 2005 |
| system and method for health monitoring of hydraulic systems | 9 | 2014 |