Inventor
PFEIFFER GAYLON MITCHELL
US12 patents
Patents
12 patentsUS9638163B2May 2, 2017
Methods and systems for removing and/or installing wind turbine rotor blades
GEN ELECTRIC23 citations92
US10465663B2Nov 5, 2019
Methods and systems for removing and/or installing wind turbine rotor blades
GEN ELECTRIC8 citations82
US9651021B2May 16, 2017
System and method for removing and/or installing a rotor blade of a wind turbine
GEN ELECTRIC10 citations82
US10822207B2Nov 3, 2020
Positioning assembly for a wind turbine rotor blade lifting device
GEN ELECTRIC12 citations77
US10598148B2Mar 24, 2020
System for controlling a yaw drive of a wind turbine when a native yaw drive control system is non-operational
GEN ELECTRIC2 citations71
US9890022B2Feb 13, 2018
Method for suspending a rotor blade from a hub of a wind turbine
GEN ELECTRIC2 citations70
US9821417B2Nov 21, 2017
System and method for replacing a pitch bearing
GEN ELECTRIC3 citations70
US9964095B2May 8, 2018
Method and system for servicing wind turbine rotor
GEN ELECTRIC2 citations69
US9745953B2Aug 29, 2017
Method and system for replacing a single wind turbine blade
GEN ELECTRIC4 citations67
US10655609B2May 19, 2020
System and method for removal of a wind turbine gearbox from a main rotor shaft
GEN ELECTRIC1 citations61
US10890157B2Jan 12, 2021
Method and system for servicing wind turbine rotor
GEN ELECTRIC0 citations58
US9777705B2Oct 3, 2017
Method for re-indexing a pitch bearing of a wind turbine
GEN ELECTRIC0 citations39