Inventor

Michael G. McCaffrey

Inventor

Windsor, CT, US

Overview

2009–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 140 as inventor

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

F01Dprimary

F01DNon-positive displacement machines or engines, e.g. steam turbines28%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants26%

Y02TClimate change mitigation technologies related to transportation15%

F02CGas-turbine plants7%

F04DNon-positive-displacement pumps4%

F16JPistons4%

Y10TTechnical subjects covered by former us classification3%

C04BLime, magnesia3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%

F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers1%

PatentTitleYear

11,131,207Semi-autonomous rapid response active clearance control system2021 11,125,093Vane with L-shaped seal2021 11,118,468Retention clip for a blade outer air seal2021 11,111,805Multi-component assembled hydrostatic seal2021 11,047,245CMC component attachment pin2021 11,041,397Non-metallic side plate seal assembly for a gas turbine engine2021 11,021,971CMC blade with monolithic ceramic platform and dovetail2021 11,008,979Passive centrifugal bleed valve system for a gas turbine engine2021 11,002,195Intercooled cooling air with auxiliary compressor control2021 10,968,782Rotatable vanes2021 10,969,103Protective panel and frame therefor2021 10,941,673Multi-component assembled hydrostatic seal2021 10,934,941Air seal interface with AFT engagement features and active clearance control for a gas turbine engine2021 10,920,618Air seal interface with forward engagement features and active clearance control for a gas turbine engine2021 10,920,611Vented tangential on-board injector for a gas turbine engine2021 10,830,145Intercooled cooling air fleet management system2020 10,830,357Single crystal grain structure seals and method of forming2020 10,822,989Adjustable blade outer air seal apparatus2020 10,822,953Coolant flow redirection component2020 10,822,964Blade outer air seal with non-linear response2020 10,815,830Lightweight tierod2020 10,815,810BOAS assemblies with axial support pins2020 10,808,562Seal assembly for turbine engine component2020 10,808,554Method for making ceramic turbine engine article2020 10,801,349Ceramic matrix composite blade outer air seal2020 10,801,348Non-contacting dynamic seal2020 10,787,914CMC airfoil with monolithic ceramic core2020 10,774,666Toggle seal for a rim seal2020 10,753,222Gas turbine engine blade outer air seal2020 10,746,038Airfoil with airfoil piece having radial seal2020 10,738,643Boas segmented heat shield2020 10,731,498Blade outer air seal mount2020 10,724,387Continuation of a shear tube through a vane platform for structural support2020 10,697,321Vented tangential on-board injector for a gas turbine engine2020 10,677,079Airfoil with ceramic airfoil piece having internal cooling circuit2020 10,648,668Gas turbine engine ceramic component assembly and bonding material2020 10,612,466Gas turbine engine active clearance control system using inlet particle separator2020 10,598,046Support straps and method of assembly for gas turbine engine2020 10,590,780Engine component having support with intermediate layer2020 10,577,963Retention clip for a blade outer air seal2020 10,563,534Blade outer air seal with seal arc segment having secondary radial supports2020 10,563,531Seal assembly for gas turbine engine2020 10,513,943Boas enhanced heat transfer surface2019 10,507,515Ceramic core for component casting2019 10,502,060Rotor and gas turbine engine including same2019 10,458,249Bonded multi-piece gas turbine engine component2019 10,443,508Intercooled cooling air with auxiliary compressor control2019 10,443,423Gas turbine engine blade outer air seal assembly2019 10,443,616Blade outer air seal with centrally mounted seal arc segments2019 10,443,421Turbomachine blade assemblies2019 10,443,450Seal support structure for a circumferential seal of a gas turbine engine2019 10,443,424Turbine engine blade outer air seal with load-transmitting carriage2019 10,436,051Seal support structure2019 10,436,053Seal anti-rotation feature2019 10,436,070Blade outer air seal having angled retention hook2019 10,422,240Turbine engine blade outer air seal with load-transmitting cover plate2019 10,422,241Blade outer air seal support for a gas turbine engine2019 10,415,417Gas turbine engine active clearance control system2019 10,415,418System for modulating turbine blade tip clearance2019 10,415,419System for modulating turbine blade tip clearance2019 10,415,414Seal arc segment with anti-rotation feature2019 10,370,991Gas turbine engine and seal assembly therefore2019 10,364,706Meter plate for blade outer air seal2019 10,358,929Composite airfoil2019 10,352,183High temperature seal and method2019 10,344,612Compact advanced passive tip clearance control2019 10,337,346Blade outer air seal with flow guide manifold2019 10,323,534Blade outer air seal with cooling features2019 10,317,150Staged high temperature heat exchanger2019 10,309,243Grooved blade outer air seals2019 10,309,230Co-formed element with low conductivity layer2019 10,294,166Densified polymer infiltrated and pyrolysis-based CMC articles2019 10,280,782Segmented clearance control ring2019 10,280,784Adjustable blade outer air seal apparatus2019 10,233,763Seal assembly for turbine engine component2019 10,215,048Variable area vane arrangement for a turbine engine2019 10,202,863Seal ring for gas turbine engines2019 10,196,918Blade outer air seal made of ceramic matrix composite2019 10,189,219Method of fabricating a ceramic article2019 10,184,356Blade outer air seal support structure2019 10,174,624Composite blade root lay-up2019 10,161,258Boas rail shield2018 10,138,750Boas segmented heat shield2018 10,138,749Seal anti-rotation feature2018 10,132,184Boas spring loaded rail shield2018 10,107,129Blade outer air seal with spring centering2018 10,107,109Gas turbine engine component cooling assembly2018 10,094,232Self crystalline orientation for increased compliance2018 10,094,229Cooling system of a stator assembly for a gas turbine engine having a variable cooling flow mechanism and method of operation2018 10,077,670Blade outer air seal made of ceramic matrix composite2018 10,053,999Radial position control of case supported structure with axial reaction member2018 10,047,629Multi-segment adjustable stator vane for a variable area vane arrangement2018 10,036,264Variable area gas turbine engine component having movable spar and shell2018 10,036,281Mid turbine frame (MTF) for a gas turbine engine2018 10,024,173CMC blade with integral 3D woven platform2018 9,988,921Circumferential seal with seal dampening elements2018 9,970,310System and method for an assembled ring shroud2018 9,963,991Brush seal plate2018 9,957,821Gas turbine engine composite airfoil trailing edge2018 9,957,834Rotor blade tip clearance2018 9,957,830Hybrid passive and active tip clearance system2018 9,945,248Vented tangential on-board injector for a gas turbine engine2018 9,915,163'Cam-follower active clearance control'2018 9,890,645'Coolant flow redirection component'2018 9,879,557'Inner stage turbine seal for gas turbine engine'2018 9,803,559'Variable vane and seal arrangement'2017 9,725,833'Woven structure and method for weaving same'2017 9,587,504'Carrier interlock'2017 9,574,455'Blade outer air seal with cooling features'2017 9,505,145'Hybrid part made from monolithic ceramic skin and CMC core'2016 9,447,696'Blade outer air seal system for controlled tip clearance'2016 9,376,916'Assembled blade platform'2016 9,228,447'Adjustable blade outer air seal apparatus'2016 9,212,560'CMC blade with integral 3D woven platform'2015 9,200,536'Mid turbine frame (MTF) for a gas turbine engine'2015 9,200,530'Radial position control of case supported structure'2015 9,133,726'Seal for gas turbine engine component'2015 9,121,296'Rotatable component with controlled load interface'2015 9,103,214'Ceramic matrix composite vane structure with overwrap for a gas turbine engine'2015 8,967,961'Ceramic matrix composite airfoil structure with trailing edge support for a gas turbine engine'2015 8,943,796'Variable cycle turbine engine'2015 8,939,728'Hybrid part made from monolithic ceramic skin and CMC core'2015 8,920,127'Turbine rotor non-metallic blade attachment'2014 8,794,925'Root region of a blade for a gas turbine engine'2014 8,790,067'Blade clearance control using high-CTE and low-CTE ring members'2014 8,568,091'Gas turbine engine systems and methods involving blade outer air seals'2013 8,562,285'Angled on-board injector'2013 8,534,995'Turbine engine sealing arrangement'2013 8,408,874'Platformless turbine blade'2013 8,328,507'Knife edge seal assembly'2012 8,240,983'Gas turbine engine systems involving gear-driven variable vanes'2012 8,206,118'Airfoil attachment'2012 8,202,043'Gas turbine engines and related systems involving variable vanes'2012 8,105,019'3D contoured vane endwall for variable area turbine vane arrangement'2012 8,092,157'Variable turbine vane actuation mechanism having a bumper ring'2012 8,052,388'Gas turbine engine systems involving mechanically alterable vane throat areas'2011 8,029,234'Systems and methods involving aerodynamic struts'2011 8,007,229'Variable area turbine vane arrangement'2011 7,779,540'Apparatus and method for quadrail ergonomic assembly'2010 7,637,709'Safety interlock system for mechanical manipulators'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2021Patents assigned to UNITED TECHNOLOGIES CORP (137)· patent assignee history

2009–2021Based in Windsor, CT, US· patent location history

2012–2019Patents assigned to MCCAFFREY MICHAEL G (28)· patent assignee history

2012–2015Patents assigned to HUDSON ERIC A (4)· patent assignee history

2016–2017Patents assigned to HASKO GREGORY H (2)· patent assignee history

2020–2021Patents assigned to RAYTHEON TECH CORP (33)· patent assignee history

2020Based in Windor, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNITED TECHNOLOGIES CORP	137	2009–2021
RAYTHEON TECH CORP	33	2020–2021
MCCAFFREY MICHAEL Gself	28	2012–2019
HUDSON ERIC A	4	2012–2015
HASKO GREGORY H	2	2016–2017

Locations

Location	Patents	Span
Windsor, CT, US	139	2009–2021
Windor, CT, US	1	2020