Average Co-Inventor Count = 2.67
ph-index = 1
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 (1 from 5,871 patents)
2. Rolls-royce Power Engineering Plc (1 from 39 patents)
2 patents:
1. 7841181 - Gas turbine engine combustion systems
2. 4271675 - Combustion apparatus for gas turbine engines