Assignee
ROLLS ROYCE CORP
US1,064 patents
Top patents by PatentIndex Score
US6698180B2Mar 2, 2004
Particle separator for a turbine engine
ROLLS ROYCE CORP92 citations97
US6499285B1Dec 31, 2002
Particle separator for a gas turbine engine
ROLLS ROYCE CORP86 citations97
US6454885B1Sep 24, 2002
Nickel diffusion braze alloy and method for repair of superalloys
ROLLS ROYCE CORP89 citations97
US6302356B1Oct 16, 2001
Helicopter two stage main reduction gearbox
ROLLS ROYCE CORP83 citations97
US9771157B2Sep 26, 2017
Aircraft and airborne electrical power and thermal management system
ROLLS ROYCE CORP47 citations96
US7343960B1Mar 18, 2008
Method and apparatus for production of a cast component
ROLLS ROYCE CORP27 citations96
US11773751B1Oct 3, 2023
Ceramic matrix composite blade track segment with pin-locating threaded insert
ROLLS ROYCE CORP22 citations95
US11732604B1Aug 22, 2023
Ceramic matrix composite blade track segment with integrated cooling passages
ROLLS ROYCE CORP23 citations95
US11702949B2Jul 18, 2023
Turbine shroud assembly with forward and aft pin shroud attachment
ROLLS ROYCE CORP17 citations95
US11319828B1May 3, 2022
Turbine shroud assembly with separable pin attachment
ROLLS ROYCE CORP29 citations95
US11286812B1Mar 29, 2022
Turbine shroud assembly with axially biased pin and shroud segment
ROLLS ROYCE CORP25 citations95
US7779890B2Aug 24, 2010
Method and apparatus for production of a cast component
ROLLS ROYCE CORP27 citations95
US7418993B2Sep 2, 2008
Method and apparatus for production of a cast component
ROLLS ROYCE CORP25 citations95
US11499444B1Nov 15, 2022
Turbine shroud assembly with forward and aft pin shroud attachment
ROLLS ROYCE CORP21 citations94
US11441441B1Sep 13, 2022
Turbine shroud with split pin mounted ceramic matrix composite blade track
ROLLS ROYCE CORP21 citations94
US11346237B1May 31, 2022
Turbine shroud assembly with axially biased ceramic matrix composite shroud segment
ROLLS ROYCE CORP22 citations94
US10634233B1Apr 28, 2020
Efficiency based gearbox cooling control
ROLLS ROYCE CORP30 citations94
US10619514B2Apr 14, 2020
Ceramic matrix composite assembly with compliant pin attachment features
ROLLS ROYCE CORP17 citations94
US10281045B2May 7, 2019
Apparatus and methods for sealing components in gas turbine engines
ROLLS ROYCE CORP22 citations94
US9926801B2Mar 27, 2018
Blade track assembly with turbine tip clearance control
ROLLS ROYCE CORP21 citations94
US9598975B2Mar 21, 2017
Blade track assembly with turbine tip clearance control
ROLLS ROYCE CORP30 citations94
US9458726B2Oct 4, 2016
Dovetail retention system for blade tracks
ROLLS ROYCE CORP27 citations94
US6932145B2Aug 23, 2005
Method and apparatus for production of a cast component
ROLLS ROYCE CORP55 citations94
US6449939B1Sep 17, 2002
Pulsed detonation engine wave rotor
ROLLS ROYCE CORP61 citations94
US11466586B2Oct 11, 2022
Turbine shroud assembly with sealed pin mounting arrangement
ROLLS ROYCE CORP20 citations93
US11066947B2Jul 20, 2021
Turbine shroud assembly with sealed pin mounting arrangement
ROLLS ROYCE CORP20 citations93
US10584605B2Mar 10, 2020
Split line flow path seals
ROLLS ROYCE CORP21 citations93
US10443419B2Oct 15, 2019
Seal for a gas turbine engine assembly
ROLLS ROYCE CORP20 citations93
US10215056B2Feb 26, 2019
Turbine shroud with movable attachment features
ROLLS ROYCE CORP18 citations93
US10100660B2Oct 16, 2018
Seals for gas turbine engines
ROLLS ROYCE CORP33 citations93
US9803486B2Oct 31, 2017
Bi-cast turbine vane
ROLLS ROYCE CORP32 citations93
US9759079B2Sep 12, 2017
Split line flow path seals
ROLLS ROYCE CORP35 citations93
US9423129B2Aug 23, 2016
Shell and tiled liner arrangement for a combustor
ROLLS ROYCE CORP33 citations93
US10316750B2Jun 11, 2019
Single phase micro/mini channel heat exchangers for gas turbine intercooling
ROLLS ROYCE CORP22 citations92
US9937803B2Apr 10, 2018
Electric direct drive for aircraft propulsion and lift
ROLLS ROYCE CORP24 citations92
US9651258B2May 16, 2017
Shell and tiled liner arrangement for a combustor
ROLLS ROYCE CORP15 citations92
US9400256B2Jul 26, 2016
Thermographic inspection techniques
ROLLS ROYCE CORP13 citations92
US9341586B2May 17, 2016
Thermographic inspection techniques
ROLLS ROYCE CORP14 citations92
US7824494B2Nov 2, 2010
Method and apparatus for production of a cast component
ROLLS ROYCE CORP13 citations92
US6382559B1May 7, 2002
Thrust vectoring mechanism
ROLLS ROYCE CORP98 citations92
US6355086B2Mar 12, 2002
Method and apparatus for making components by direct laser processing
ROLLS ROYCE CORP108 citations92
US6351934B2Mar 5, 2002
Forced purge wave rotor
ROLLS ROYCE CORP27 citations92
US6264138B1Jul 24, 2001
Propeller gearbox
ROLLS ROYCE CORP48 citations92
US9943933B2Apr 17, 2018
Repair of gas turbine engine components
ROLLS ROYCE CORP22 citations91
US9708914B2Jul 18, 2017
Gas turbine engine airflow member having spherical end
ROLLS ROYCE CORP16 citations91
US7878303B2Feb 1, 2011
Lubrication scavenge system
ROLLS ROYCE CORP26 citations91
US6696392B2Feb 24, 2004
Silicone resin bonded dry film lubricants
ROLLS ROYCE CORP18 citations91
US6508052B1Jan 21, 2003
Particle separator
ROLLS ROYCE CORP67 citations91
US6417477B1Jul 9, 2002
Method and apparatus for electrospark alloying
ROLLS ROYCE CORP58 citations91
US6365285B1Apr 2, 2002
Cobalt-base composition and method for diffusion braze repair of superalloy articles
ROLLS ROYCE CORP38 citations91
Showing the top 50 of 1,064 patents by PatentIndex Score.