Average Co-Inventor Count = 2.67
ph-index = 2
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 5,879 patents)
2. Rolls-royce North American Technologies Inc. (1 from 920 patents)
4 patents:
1. 11092014 - Full hoop blade track with internal cooling channel
2. 10830144 - Gas turbine engine compressor impeller cooling air sinks
3. 10370983 - Endwall cooling system
4. 8408866 - Apparatus and method for cooling a turbine airfoil arrangement in a gas turbine engine