Inventor
COFFIN JAMES B
US38 patents
⚠️ This page may combine multiple inventors who share the name “COFFIN JAMES B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
21 patentsUS6428269B1Aug 6, 2002
Turbine engine bearing support
UNITED TECHNOLOGIES CORP71 citations94
US10041498B2Aug 7, 2018
Three spool geared turbofan with low pressure compressor drive gear system and mechanical controller
UNITED TECHNOLOGIES CORP10 citations84
US9410447B2Aug 9, 2016
Forward compartment service system for a geared architecture gas turbine engine
UNITED TECHNOLOGIES CORP6 citations84
US9328818B2May 3, 2016
Gear carrier flex mount lubrication
UNITED TECHNOLOGIES CORP5 citations84
US9033653B2May 19, 2015
Gas turbine engine fan drive gear system damper
UNITED TECHNOLOGIES CORP6 citations84
US8827633B2Sep 9, 2014
Gas turbine engine fan drive gear system damper
UNITED TECHNOLOGIES CORP7 citations84
US10358982B2Jul 23, 2019
Fan drive gear system mechanical controller
UNITED TECHNOLOGIES CORP2 citations73
US10330017B2Jun 25, 2019
Three spool geared turbofan with low pressure compressor drive gear system
UNITED TECHNOLOGIES CORP3 citations73
US9464708B2Oct 11, 2016
Gear carrier flex mount lubrication
UNITED TECHNOLOGIES CORP3 citations73
US11286854B2Mar 29, 2022
Ducted oil scoop for gas turbine engine
UNITED TECHNOLOGIES CORP3 citations72
US9976443B2May 22, 2018
Turbofan engine assembly methods
UNITED TECHNOLOGIES CORP3 citations72
US9664114B2May 30, 2017
Gas turbine engine geared architecture axial retention arrangement
UNITED TECHNOLOGIES CORP2 citations72
US10662812B2May 26, 2020
Lubricant scoop
UNITED TECHNOLOGIES CORP3 citations71
US9719373B2Aug 1, 2017
Slotted distribution sleeve for a seal plate
UNITED TECHNOLOGIES CORP6 citations71
US9476321B2Oct 25, 2016
Turbomachine fluid delivery manifold and system
UNITED TECHNOLOGIES CORP4 citations70
US10830078B2Nov 10, 2020
Shaft seal assembly for a turbine engine
UNITED TECHNOLOGIES CORP4 citations68
US11143111B2Oct 12, 2021
Fan drive gear system mechanical controller
UNITED TECHNOLOGIES CORP0 citations62
US9790855B2Oct 17, 2017
Apparatus and method for providing damper liquid in a gas turbine engine
UNITED TECHNOLOGIES CORP0 citations52
US9249685B2Feb 2, 2016
Fan drive gear system assembly guide
UNITED TECHNOLOGIES CORP1 citations52
US10436116B2Oct 8, 2019
Gas turbine engine geared architecture axial retention arrangement
UNITED TECHNOLOGIES CORP0 citations51
US10267406B2Apr 23, 2019
Inseparable machined lubricant manifold
UNITED TECHNOLOGIES CORP0 citations48
COFFIN JAMES B
12 patentsUS8529197B1Sep 10, 2013
Gas turbine engine fan drive gear system damper
COFFIN JAMES B45 citations97
US8517670B1Aug 27, 2013
Gas turbine engine geared architecture axial retention arrangement
COFFIN JAMES B23 citations92
US9022684B2May 5, 2015
Turbine engine shaft coupling
COFFIN JAMES B7 citations84
US8875378B2Nov 4, 2014
Tie bolt employing differential thread
COFFIN JAMES B7 citations84
US8727935B2May 20, 2014
Fan drive gear system torque frame pin retainer
COFFIN JAMES B7 citations84
US8573926B2Nov 5, 2013
Gas turbine engine fan drive gear system damper
COFFIN JAMES B10 citations84
US8790075B2Jul 29, 2014
Gas turbine engine geared architecture axial retention arrangement
COFFIN JAMES B8 citations83
US8066472B2Nov 29, 2011
Method and apparatus for fan shaft bearing lubrication
COFFIN JAMES B8 citations82
US9057284B2Jun 16, 2015
Manifold for geared turbofan engine
COFFIN JAMES B7 citations79
US9556894B2Jan 31, 2017
Tie bolt employing differential thread
COFFIN JAMES B4 citations73
US8961112B2Feb 24, 2015
Torque frame bushing arrangement for gas turbine engine fan drive gear system
COFFIN JAMES B1 citations51
US9605560B2Mar 28, 2017
Fan shaft retention
COFFIN JAMES B0 citations42