Inventor
HAGEN GREGORY S
US19 patents
⚠️ This page may combine multiple inventors who share the name “HAGEN GREGORY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
11 patentsUS8037688B2Oct 18, 2011
Method for control of thermoacoustic instabilities in a combustor
UNITED TECHNOLOGIES CORP32 citations91
US10409275B2Sep 10, 2019
Oil debris monitoring (ODM) with adaptive learning
UNITED TECHNOLOGIES CORP9 citations82
US10775269B2Sep 15, 2020
Blade health inspection using an excitation actuator and vibration sensor
UNITED TECHNOLOGIES CORP3 citations72
US10767507B2Sep 8, 2020
Foreign object debris trending concept and design
UNITED TECHNOLOGIES CORP5 citations72
US11054340B2Jul 6, 2021
Parametric trending architecture concept and design
UNITED TECHNOLOGIES CORP0 citations61
US10302541B2May 28, 2019
Oil debris monitoring (ODM) using active valve configuration control
UNITED TECHNOLOGIES CORP1 citations61
US10400624B2Sep 3, 2019
System and method for planning engine borescope inspections based on FOD probability estimation
UNITED TECHNOLOGIES CORP1 citations57
US10339730B2Jul 2, 2019
Fault detection using high resolution realms
UNITED TECHNOLOGIES CORP1 citations57
US10648361B2May 12, 2020
Oil debris monitor with sequential coil system and associated algorithms for particle confirmation
UNITED TECHNOLOGIES CORP0 citations51
US10012566B2Jul 3, 2018
Parametric trending architecture concept and design
UNITED TECHNOLOGIES CORP0 citations51
US11105712B2Aug 31, 2021
Integrated vibe/ODM fusion and trending analysis for prognostic health management of engine bearing
UNITED TECHNOLOGIES CORP0 citations48
RAYTHEON TECH CORP
7 patentsUS12055055B1Aug 6, 2024
Rotor blade inspection system
RAYTHEON TECH CORP4 citations72
US12055053B1Aug 6, 2024
Rotor blade inspection system
RAYTHEON TECH CORP3 citations72
US12146416B2Nov 19, 2024
Propulsor blade imaging assembly for an aircraft propulsion system
RAYTHEON TECH CORP2 citations71
US12385412B2Aug 12, 2025
Propulsor blade imaging assembly for an aircraft propulsion system
RAYTHEON TECH CORP1 citations62
US12379645B2Aug 5, 2025
Propulsor blade imaging assembly for an aircraft propulsion system
RAYTHEON TECH CORP1 citations62
US12571740B2Mar 10, 2026
Utilization of image analytics to detect abnormalities on fan blades of gas turbine engines
RAYTHEON TECH CORP0 citations50
US12359672B2Jul 15, 2025
Rotor blade inspection system
RAYTHEON TECH CORP0 citations50