Inventor

MICHAEL G. MCCAFFREY

Inventor

US

Overview

2021–2026

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 59 as inventor

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

F05Dprimary

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

F01DNon-positive displacement machines or engines, e.g. steam turbines24%

Y02TClimate change mitigation technologies related to transportation10%

F02CGas-turbine plants9%

F04DNon-positive-displacement pumps5%

F02KJet-propulsion plants3%

F16JPistons3%

F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers3%

C04BLime, magnesia2%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

PatentTitleYear

12,578,092Cooled variable area nozzle for an aircraft engine2026 12,529,349Aircraft propulsion system with variable speed rotating structure2026 12,523,159Shared load path blade outer air seal2026 12,454,911Bleeding core air from a turbine engine core flowpath2025 12,404,806High pressure turbine dirt blocker2025 12,359,615Separating airflows within a turbine engine2025 12,331,682Particulate separator assembly for a gas turbine engine2025 12,326,114Gas turbine engine with core debris protection2025 12,297,747Inlet protector for vane coupling hole2025 12,247,497Airfoil attachment for turbine rotor2025 12,215,603CMC airfoil with wishbone shaped fiber layup structure forming portion of platform and root2025 12,180,898Regulating core air bled from a turbine engine core flowpath2024 12,152,551Variable area nozzle for an aircraft engine2024 12,110,839Variable area nozzle assembly for an aircraft propulsion system2024 12,065,937Variable area nozzle assembly for an aircraft propulsion system2024 12,060,806Blocker assembly for tangential onboard injectors2024 12,055,045Engine article with ceramic insert and method therefor2024 12,012,858Failsafe blade outer airseal retention2024 12,000,306Vane arc segment with single-sided platforms2024 11,976,568Ceramic matrix composite component having low density core and method of making2024 11,873,589Weaving assembly and method of using2024 11,867,067Engine article with ceramic insert and method therefor2024 11,852,345Pre-diffuser for a gas turbine engine2023 11,852,019Axial seal systems for gas turbine engines2023 11,846,204CMC blade with damage tolerant edges2023 11,834,762Weave control grid2023 11,808,154CMC component flow discourager flanges2023 11,773,723Airfoil rib with thermal conductance element2023 11,702,950Seal coating2023 11,697,994CMC component with cooling protection2023 11,674,402Hydrostatic seal with non-parallel beams for anti-tipping2023 11,674,401Non-contacting dynamic seal2023 11,624,287Ceramic matrix composite component having low density core and method of making2023 11,608,750Airfoil attachment for turbine rotor2023 11,549,373Reduced deflection turbine rotor2023 11,535,962Weaving assembly and method of using2022 11,512,651Intercooled cooling air with auxiliary compressor control2022 11,492,733Weave control grid2022 11,492,915Turbine with reduced burst margin2022 11,454,129CMC component flow discourager flanges2022 11,441,430Airfoil with buffer layer to absorb thermal mismatch2022 11,421,543Hydrostatic seal with asymmetric beams for anti-tipping2022 11,401,827Method of manufacturing BOAS enhanced heat transfer surface2022 11,384,936Pre-diffuser for a gas turbine engine2022 11,377,969Extended root region and platform over-wrap for a blade of a gas turbine engine2022 11,371,704Pre-diffuser for a gas turbine engine2022 11,359,506Contoured stop for variable area turbine2022 11,339,722Air seal interface with AFT engagement features and active clearance control for a gas turbine engine2022 11,306,619Seal support structure for a circumferential seal of a gas turbine engine2022 11,287,045Seal ring2022 11,286,796Cooled attachment sleeve for a ceramic matrix composite rotor blade2022 11,280,202Balanced composite root region for a blade of a gas turbine engine2022 11,261,744Ceramic matrix composite rotor blade attachment2022 11,230,940Controlled contact surface for a secondary seal in a non-contact seal assembly2022 11,215,084Support straps and method of assembly for gas turbine engine2022 11,199,102Hydrostatic seal with increased design space2021 11,193,376Disk supported damper for a gas turbine engine2021 11,143,040Ceramic matrix composite rotor blade attachment and method of manufacture therefor2021 11,136,995Pre-diffuser for a gas turbine engine2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to RAYTHEON TECH CORP (38)· patent assignee history

2021–2023Patents assigned to UNITED TECHNOLOGIES CORP (22)· patent assignee history

2021–2026Based in US· patent location history

2023–2026Patents assigned to RTX CORP (28)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RAYTHEON TECH CORP	38	2021–2026
RTX CORP	28	2023–2026
UNITED TECHNOLOGIES CORP	22	2021–2023

Locations

Location	Patents	Span
US	59	2021–2026