Average Co-Inventor Count = 2.14
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Rolls-royce Corporation (3 from 5,874 patents)
2. Rolls-royce North American Technologies Inc. (3 from 919 patents)
5 patents:
1. 11434775 - Turbine engine with metered cooling system
2. 11286865 - Gas turbine engine with variable pitch fan and variable pitch compressor geometry
3. 10737801 - Fan module with rotatable vane ring power system
4. 10618667 - Fan module with adjustable pitch blades and power system
5. 10273019 - Distributed propulsion system power unit control