Inventor

Ryan T. Ehinger

Inventor
Southlake, TX, US

Overview

23→
Patents
2012–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B64Cprimary
B64CAeroplanes23%
F16HGearing13%
B64DEquipment for fitting in or to aircraft10%
B64UUnmanned aerial vehicles [uav]5%
F16DCouplings for transmitting rotation5%
G01MTesting static or dynamic balance of machines or structures5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
F16CShafts4%
F16NLubricating4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
11,104,430Multimode powertrains for multi engine rotorcraft202111,009,080Drive link202110,969,001Planet gear having failure mode optimized for continued planetary gear system operation202110,946,954Variable-speed drive system for tiltrotor with fixed engine and rotating proprotor202110,526,081Gear shaft for accommodating thermal expansion and transmission system incorporating the same202010,443,706Gearbox lubrication system201910,377,473Disconnecting a rotor201910,378,978Method and system for measuring torque in a tiltrotor aircraft201910,371,212Bearing liner for accommodating thermal expansion and transmission system incorporating the same201910,190,672Gearbox lubrication system20199,879,824'Debris detector for non-ferrous bearings'20189,841,333'Method and system for measuring torque in a tiltrotor aircraft'20179,541,468'System and method for improving a workpiece'20179,316,573'Non-metallic debris monitoring system'20169,068,908'System and method for improving a workpiece'20158,985,517'Passive cooling of transmission using mast mounted heat pipes'20158,863,924'Hybrid overrunning clutch assembly and method of making same'20148,500,597'Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof'20138,454,475'Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof'20138,449,432'Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof'20138,356,768'Multiple drive-path transmission with torque-splitting differential mechanism'20138,141,812'Multiple drive-path transmission with torque-splitting differential mechanism'20128,133,155'Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2021Patents assigned to BELL HELICOPTER TEXTRON INC (20)· patent assignee history
2012–2021Patents assigned to TEXTRON INNOVATIONS INC (7)· patent assignee history
2012–2013Patents assigned to KILMAIN CHARLES J (6)· patent assignee history
2012–2014Patents assigned to EHINGER RYAN T (5)· patent assignee history
2012–2013Patents assigned to FENNY CARLOS A (4)· patent assignee history
2012–2019Based in Irving, TX, US· patent location history
2012Based in Euless, TX, US· patent location history
2014–2021Based in Southlake, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BELL HELICOPTER TEXTRON INC202012–2021
TEXTRON INNOVATIONS INC72012–2021
KILMAIN CHARLES J62012–2013
EHINGER RYAN Tself52012–2014
FENNY CARLOS A42012–2013
Locations
LocationPatentsSpan
Southlake, Texas, US152014–2021
Irving, Texas, US72012–2019
Euless, Texas, US12012