Average Co-Inventor Count = 2.87
ph-index = 4
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 (30 from 5,874 patents)
2. Rolls-royce North American Technologies Inc. (12 from 919 patents)
3. Rolls-royce Deutschland Ltd & Co. Kg (1 from 816 patents)
4. Rolls-royce Corporalion (1 from 1 patent)
33 patents:
1. 12331660 - Vane assemblies with overlapping band couplings in gas turbine engines
2. 12286936 - Adjustable fan track liner with groove array active fan tip treatment for distortion tolerance
3. 12286930 - Turbine engine fan case with bleed air for tip injection and heat exchanger cooling
4. 12258870 - Adjustable fan track liner with slotted array active fan tip treatment for distortion tolerance
5. 12215712 - Adjustable fan track liner with dual grooved array active fan tip treatment for distortion tolerance
6. 12209502 - Active fan tip treatment using rotating drum array with axial channels in fan track liner for distortion tolerance
7. 12209541 - Adjustable fan track liner with dual slotted array active fan tip treatment for distortion tolerance
8. 12168983 - Active fan tip treatment using rotating drum array in fan track liner with axial and circumferential channels for distortion tolerance
9. 12085021 - Adjustable air flow plenum with movable closure for a fan of a gas turbine engine
10. 12078070 - Adjustable air flow plenum with sliding doors for a fan of a gas turbine engine
11. 11970985 - Adjustable air flow plenum with pivoting vanes for a fan of a gas turbine engine
12. 11965528 - Adjustable air flow plenum with circumferential movable closure for a fan of a gas turbine engine
13. 11635026 - Fan case assembly for a gas turbine engine
14. 11506083 - Composite liners for turbofan engines
15. 11421538 - Composite aerofoils