Assignee
ROLLS ROYCE PLC
US3,364 patents
Top patents by PatentIndex Score
US6253555B1Jul 3, 2001
Combustion chamber comprising mixing ducts with fuel injectors varying in number and cross-sectional area
ROLLS ROYCE PLC154 citations99
US5497961AMar 12, 1996
Gas turbine engine nacelle assembly
ROLLS ROYCE PLC180 citations99
US7806363B2Oct 5, 2010
Engine mounting assembly
ROLLS ROYCE PLC56 citations98
US6935591B2Aug 30, 2005
Mounting arrangement for a gas turbine engine
ROLLS ROYCE PLC77 citations98
US6794781B2Sep 21, 2004
Compact electrical machine
ROLLS ROYCE PLC177 citations98
US6718774B2Apr 13, 2004
Fastener
ROLLS ROYCE PLC72 citations98
US6408628B1Jun 25, 2002
Wall elements for gas turbine engine combustors
ROLLS ROYCE PLC153 citations98
US6267381B1Jul 31, 2001
Resilient strip seal arrangement
ROLLS ROYCE PLC147 citations98
US5867979AFeb 9, 1999
Gas turbine engine system
ROLLS ROYCE PLC209 citations98
US5396759AMar 14, 1995
Gas turbine engine combustor
ROLLS ROYCE PLC162 citations98
US5253471AOct 19, 1993
Gas turbine engine combustor
ROLLS ROYCE PLC153 citations98
US9255492B2Feb 9, 2016
Gas turbine engine having a multi-variable closed loop controller for regulating tip clearance
ROLLS ROYCE PLC59 citations97
US9096312B2Aug 4, 2015
Aircraft
ROLLS ROYCE PLC61 citations97
US7810312B2Oct 12, 2010
Heat exchanger arrangement
ROLLS ROYCE PLC63 citations97
US7753654B2Jul 13, 2010
Aerofoils for gas turbine engines
ROLLS ROYCE PLC56 citations97
US7632062B2Dec 15, 2009
Turbine rotor blades
ROLLS ROYCE PLC67 citations97
US7516609B2Apr 14, 2009
Carbon dioxide recirculation
ROLLS ROYCE PLC67 citations97
US7465512B2Dec 16, 2008
Solid oxide fuel cell stack
ROLLS ROYCE PLC157 citations97
US7451592B2Nov 18, 2008
Counter-rotating turbine engine including a gearbox
ROLLS ROYCE PLC112 citations97
US7377111B2May 27, 2008
Carbon dioxide recirculation
ROLLS ROYCE PLC55 citations97
US7354243B2Apr 8, 2008
Axial compressor blading
ROLLS ROYCE PLC64 citations97
US7317261B2Jan 8, 2008
Power generating apparatus
ROLLS ROYCE PLC149 citations97
US7213391B2May 8, 2007
Cooling systems
ROLLS ROYCE PLC59 citations97
US7162875B2Jan 16, 2007
Method and system for controlling fuel supply in a combustion turbine engine
ROLLS ROYCE PLC133 citations97
US6931834B2Aug 23, 2005
Cooling systems
ROLLS ROYCE PLC117 citations97
US6865891B2Mar 15, 2005
Gas turbine engine
ROLLS ROYCE PLC79 citations97
US6575694B1Jun 10, 2003
Gas turbine engine blade containment assembly
ROLLS ROYCE PLC111 citations97
US6283713B1Sep 4, 2001
Bladed ducting for turbomachinery
ROLLS ROYCE PLC176 citations97
US6109022AAug 29, 2000
Turbofan with frangible rotor support
ROLLS ROYCE PLC110 citations97
US6073439AJun 13, 2000
Ducted fan gas turbine engine
ROLLS ROYCE PLC90 citations97
US5737921AApr 14, 1998
Gas turbine engine fuel injector
ROLLS ROYCE PLC94 citations97
US5595833AJan 21, 1997
Solid oxide fuel cell stack
ROLLS ROYCE PLC135 citations97
US5435139AJul 25, 1995
Removable combustor liner for gas turbine engine combustor
ROLLS ROYCE PLC164 citations97
US5271219ADec 21, 1993
Gas turbine engine combustor
ROLLS ROYCE PLC121 citations97
US5005353AApr 9, 1991
Active control of unsteady motion phenomena in turbomachinery
ROLLS ROYCE PLC160 citations97
US4782658ANov 8, 1988
Deicing of a geared gas turbine engine
ROLLS ROYCE PLC224 citations97
US4751816AJun 21, 1988
Turbofan gas turbine engine
ROLLS ROYCE PLC211 citations97
US7770377B2Aug 10, 2010
Turbofan arrangement
ROLLS ROYCE PLC58 citations96
US7591183B2Sep 22, 2009
Gas turbine engine with a plurality of bleed valves
ROLLS ROYCE PLC115 citations96
US7448849B1Nov 11, 2008
Seal
ROLLS ROYCE PLC62 citations96
US7273351B2Sep 25, 2007
Component having a film cooling arrangement
ROLLS ROYCE PLC88 citations96
US7165744B2Jan 23, 2007
Turbine engine arrangements
ROLLS ROYCE PLC53 citations96
US7107756B2Sep 19, 2006
Turbofan arrangement
ROLLS ROYCE PLC75 citations96
US7090165B2Aug 15, 2006
Aeroengine nacelle
ROLLS ROYCE PLC101 citations96
US6976655B2Dec 20, 2005
Mounting arrangement
ROLLS ROYCE PLC73 citations96
US6913436B2Jul 5, 2005
Gas turbine engine blade containment assembly
ROLLS ROYCE PLC53 citations96
US6729140B2May 4, 2004
Electrical machine
ROLLS ROYCE PLC44 citations96
US6708925B2Mar 23, 2004
Mounting arrangement for a gas turbine engine
ROLLS ROYCE PLC70 citations96
US6708499B2Mar 23, 2004
Combustion apparatus
ROLLS ROYCE PLC40 citations96
US6701717B2Mar 9, 2004
Cycle gas turbine engine
ROLLS ROYCE PLC74 citations96
Showing the top 50 of 3,364 patents by PatentIndex Score.