for auxiliary power units (APU's)

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F05D2220/50

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F05Engines, pumps F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS F05D2220/00Application

Current Industry

F05D2220/50for auxiliary power units (APU's)

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Patents Grantslast 30 patents

Information Patent Grant
Dual-purpose control moment gyroscope for vehicle control
- Patent number 12,146,442
- Issue date Nov 19, 2024
- Honeywell International, Inc.
- Timothy Hindle
- B60 - VEHICLES IN GENERAL
Information Patent Grant
After-fan system with electrical motor for gas turbine engines
- Patent number 12,123,309
- Issue date Oct 22, 2024
- RTX Corporation
- Dmitriy B. Sidelkovskiy
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Emergency power unit for electric aircraft
- Patent number 12,122,526
- Issue date Oct 22, 2024
- Pratt & Whitney Canada Corp.
- Ivan Sidorovich Paradiso
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Engine and secondary power unit integrated operation
- Patent number 12,123,344
- Issue date Oct 22, 2024
- RTX Corporation
- Andre M. Ajami
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Transmission device for hybrid aircraft
- Patent number 12,110,128
- Issue date Oct 8, 2024
- SAFRAN HELICOPTER ENGINES
- Benjamin Nicolas Fulleringer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Integrated electro-aero-thermal turbine engine
- Patent number 12,098,646
- Issue date Sep 24, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas turbine engine cooling system control
- Patent number 12,031,484
- Issue date Jul 9, 2024
- General Electric Company
- Michael Robert Millhaem
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Aircraft auxiliary power unit
- Patent number 12,017,790
- Issue date Jun 25, 2024
- Rolls-Royce PLC
- Daniel Swain
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for starting an auxiliary power unit
- Patent number 12,000,341
- Issue date Jun 4, 2024
- Pratt & Whitney Canada Corp.
- Louis Duranleau-Hendrickx
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Auxiliary power unit adaptive cooldown cycle system and method
- Patent number 11,987,378
- Issue date May 21, 2024
- Honeywell International Inc.
- Robert Mallette
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Aircraft power architecture
- Patent number 11,988,097
- Issue date May 21, 2024
- SAFRAN HELICOPTER ENGINES
- Olivier Lafargue
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas turbine engine system with mixed flow auxiliary power unit
- Patent number 11,982,239
- Issue date May 14, 2024
- Rolls-Royce North American Technologies Inc.
- Timothy Unton
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods of power allocation for hybrid electric archite...
- Patent number 11,970,062
- Issue date Apr 30, 2024
- GE Aviation Systems LLC
- Manish Ashvinkumar Dalal
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Auxiliary power systems, aircraft including the same, and related m...
- Patent number 11,878,810
- Issue date Jan 23, 2024
- The Boeing Company
- Scott Schorn
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine system with fuel-drive thermal support
- Patent number 11,879,385
- Issue date Jan 23, 2024
- Rolls-Royce North American Technologies Inc.
- Andrew J. Eifert
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Differential geared amplification of auxiliary power unit
- Patent number 11,873,766
- Issue date Jan 16, 2024
- RTX Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
After-fan system with electrical motor for gas turbine engines
- Patent number 11,846,196
- Issue date Dec 19, 2023
- RTX Corporation
- Dmitriy B. Sidelkovskiy
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Cooling system for tail cone mounted generator
- Patent number 11,821,370
- Issue date Nov 21, 2023
- Hamilton Sundstrand Corporation
- Debabrata Pal
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Multi-speed transmission to control variable APU speed and constant...
- Patent number 11,808,211
- Issue date Nov 7, 2023
- Hamilton Sundstrand Corporation
- Jonathan C. Dell
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Alternating starter use during multi-engine motoring
- Patent number 11,807,378
- Issue date Nov 7, 2023
- RTX Corporation
- David Gelwan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Emergency power unit for electric aircraft
- Patent number 11,794,914
- Issue date Oct 24, 2023
- Pratt & Whitney Canada Corp.
- Ivan Sidorovich Paradiso
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Engine and secondary power unit integrated operation
- Patent number 11,795,872
- Issue date Oct 24, 2023
- RTX Corporation
- Andre M. Ajami
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Bearing housing for a two-wheel air cycle machine
- Patent number 11,761,349
- Issue date Sep 19, 2023
- Hamilton Sundstrand Corporation
- Darryl A. Colson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Constant speed drive to control variable APU speed and constant gen...
- Patent number 11,697,998
- Issue date Jul 11, 2023
- Hamilton Sundstrand Corporation
- Glenn C. Lemmers
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Mount assembly for accessory gearbox of aircraft engine and associa...
- Patent number 11,674,449
- Issue date Jun 13, 2023
- Pratt & Whitney Canada Corp.
- Paul Weaver
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multi-engine coordination during gas turbine engine motoring
- Patent number 11,674,411
- Issue date Jun 13, 2023
- Raytheon Technologies Corporation
- Subhradeep Chowdhury
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
System and method for controlling fuel flow to an aircraft engine d...
- Patent number 11,643,981
- Issue date May 9, 2023
- Pratt & Whitney Canada Corp.
- Michael Chun
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Differential geared amplification of auxiliary power unit
- Patent number 11,629,646
- Issue date Apr 18, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Integrated electro-aero-thermal turbine engine
- Patent number 11,613,998
- Issue date Mar 28, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hybrid electric engine including auxiliary compressor
- Patent number 11,608,797
- Issue date Mar 21, 2023
- Raytheon Technologies Corporation
- Lance L. Smith
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
INLET SYSTEM FOR AUXILIARY POWER UNIT
- Publication number 20240400219
- Publication date Dec 5, 2024
- Honeywell International Inc.
- Bruce Bouldin
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
IDENTIFICATION MODULE FOR TURBINE ENGINE OR AUXILIARY POWER UNIT WI...
- Publication number 20240254918
- Publication date Aug 1, 2024
- Pratt & Whitney Canada Corp.
- Kamil Cakala
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
IMPROVED TRANSMISSION DEVICE FOR HYBRID AIRCRAFT
- Publication number 20240239509
- Publication date Jul 18, 2024
- SAFRAN HELICOPTER ENGINES
- Benjamin Nicolas FULLERINGER
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
COMBINED GAS TURBINE ENGINE AND FUEL CELL
- Publication number 20240229711
- Publication date Jul 11, 2024
- Rolls-Royce plc
- Nicholas GRECH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ACOUSTIC INSULATION ASSEMBLY FOR AN AUXILIARY POWER UNIT HAVING A C...
- Publication number 20240200493
- Publication date Jun 20, 2024
- SAFRAN POWER UNITS
- Laurent Stéphane Tardy
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
COMBINED GAS TURBINE ENGINE AND FUEL CELL
- Publication number 20240133340
- Publication date Apr 25, 2024
- Rolls-Royce plc
- Nicholas GRECH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AIRCRAFT SYSTEM WITH GAS TURBINE ENGINE POWERED COMPRESSOR
- Publication number 20240026827
- Publication date Jan 25, 2024
- Steven W. Burd
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTI-SPEED TRANSMISSION TO CONTROL VARIABLE APU SPEED AND CONSTANT...
- Publication number 20230323817
- Publication date Oct 12, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Jonathan C. Dell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS AND METHODS FOR STARTING A GAS TURBINE ENGINE
- Publication number 20230296058
- Publication date Sep 21, 2023
- Robert Bruce Fowler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTEGRATED ELECTRO-AERO-THERMAL TURBINE ENGINE
- Publication number 20230220784
- Publication date Jul 13, 2023
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AUXILIARY POWER UNIT ADAPTIVE COOLDOWN CYCLE SYSTEM AND METHOD
- Publication number 20230211891
- Publication date Jul 6, 2023
- Honeywell International Inc.
- Robert Mallette
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
GAS TURBINE ENGINE SYSTEM WITH MIXED FLOW AUXILIARY POWER UNIT
- Publication number 20230193833
- Publication date Jun 22, 2023
- Rolls-Royce North American Technologies Inc.
- Timothy Unton
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COOLING SYSTEM FOR TAIL CONE MOUNTED GENERATOR
- Publication number 20230151771
- Publication date May 18, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Debabrata Pal
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DUAL-PURPOSE CONTROL MOMENT GYROSCOPE FOR VEHICLE CONTROL
- Publication number 20230139984
- Publication date May 4, 2023
- Honeywell International Inc.
- Timothy Hindle
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING FUEL FLOW TO AN AIRCRAFT ENGINE D...
- Publication number 20230069668
- Publication date Mar 2, 2023
- Pratt & Whitney Canada Corp.
- Michael CHUN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS TURBINE ENGINE STARTER SYSTEMS AND ASSOCIATED METHODS
- Publication number 20230030319
- Publication date Feb 2, 2023
- The Boeing Company
- John Carl Szillat
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AUXILIARY POWER UNIT COMPRISING A GAS GENERATOR IN DIRECT-DRIVE CON...
- Publication number 20230021361
- Publication date Jan 26, 2023
- SAFRAN POWER UNITS
- Marc Daniel TUNZINI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ROCKET MOTOR AUXILIARY POWER GENERATION UNIT SYSTEMS AND METHODS
- Publication number 20220307449
- Publication date Sep 29, 2022
- GOODRICH CORPORATION
- Matthew D. Salois
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD OF OPERATING A GAS TURBINE ENGINE, COMPRESSED AIR DELIVERY S...
- Publication number 20220268207
- Publication date Aug 25, 2022
- Ninad JOSHI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AUXILIARY POWER UNIT ADAPTIVE COOLDOWN CYCLE SYSTEM AND METHOD
- Publication number 20220234751
- Publication date Jul 28, 2022
- Honeywell International Inc.
- Robert Mallette
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
GAS TURBINE ENGINE COOLING SYSTEM CONTROL
- Publication number 20220235707
- Publication date Jul 28, 2022
- GENERAL ELECTRIC COMPANY
- Michael Robert Millhaem
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AUXILIARY POWER SYSTEMS, AIRCRAFT INCLUDING THE SAME, AND RELATED M...
- Publication number 20220204179
- Publication date Jun 30, 2022
- The Boeing Company
- Scott Schorn
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM
- Publication number 20220154600
- Publication date May 19, 2022
- HAMILTON SUNDSTRAND CORPORATION
- John T. Pech
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
INTEGRATED ELECTRO-AERO-THERMAL TURBINE ENGINE
- Publication number 20220136401
- Publication date May 5, 2022
- Raytheon Technologies Corporation
- Daniel Bernard Kupratis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AUXILIARY POWER UNIT PLENUM WITH A PLEATED SCREEN FOR FOREIGN OBJEC...
- Publication number 20210381434
- Publication date Dec 9, 2021
- The Boeing Company
- Juan F. Valencia
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HYDRAULIC STARTER ASSEMBLY FOR A GAS TURBINE ENGINE
- Publication number 20210381439
- Publication date Dec 9, 2021
- Andre M. Ajami
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTI-ENGINE COORDINATION DURING GAS TURBINE ENGINE MOTORING
- Publication number 20210324758
- Publication date Oct 21, 2021
- Raytheon Technologies Corporation
- Subhradeep Chowdhury
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
BEARING HOUSING FOR A TWO-WHEEL AIR CYCLE MACHINE
- Publication number 20210310498
- Publication date Oct 7, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Darryl A. Colson
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
FRAME FOR A HEAT ENGINE
- Publication number 20210262386
- Publication date Aug 26, 2021
- GENERAL ELECTRIC COMPANY
- Matti Veikko Kalevi Makela
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
GAS TURBINE ENGINE STALL MARGIN MANAGEMENT
- Publication number 20210262398
- Publication date Aug 26, 2021
- GENERAL ELECTRIC COMPANY
- Paul Robert Gemin
- B64 - AIRCRAFT AVIATION COSMONAUTICS

for auxiliary power units (APU's)

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Dual-purpose control moment gyroscope for vehicle control

After-fan system with electrical motor for gas turbine engines

Emergency power unit for electric aircraft

Engine and secondary power unit integrated operation

Transmission device for hybrid aircraft

Integrated electro-aero-thermal turbine engine

Gas turbine engine cooling system control

Aircraft auxiliary power unit

Method for starting an auxiliary power unit

Auxiliary power unit adaptive cooldown cycle system and method

Aircraft power architecture

Gas turbine engine system with mixed flow auxiliary power unit

Systems and methods of power allocation for hybrid electric archite...

Auxiliary power systems, aircraft including the same, and related m...

Engine system with fuel-drive thermal support

Differential geared amplification of auxiliary power unit

After-fan system with electrical motor for gas turbine engines

Cooling system for tail cone mounted generator

Multi-speed transmission to control variable APU speed and constant...

Alternating starter use during multi-engine motoring

Emergency power unit for electric aircraft

Engine and secondary power unit integrated operation

Bearing housing for a two-wheel air cycle machine

Constant speed drive to control variable APU speed and constant gen...

Mount assembly for accessory gearbox of aircraft engine and associa...

Multi-engine coordination during gas turbine engine motoring

System and method for controlling fuel flow to an aircraft engine d...

Differential geared amplification of auxiliary power unit

Integrated electro-aero-thermal turbine engine

Hybrid electric engine including auxiliary compressor

Patents Applicationslast 30 patents

INLET SYSTEM FOR AUXILIARY POWER UNIT

IDENTIFICATION MODULE FOR TURBINE ENGINE OR AUXILIARY POWER UNIT WI...

IMPROVED TRANSMISSION DEVICE FOR HYBRID AIRCRAFT

COMBINED GAS TURBINE ENGINE AND FUEL CELL

ACOUSTIC INSULATION ASSEMBLY FOR AN AUXILIARY POWER UNIT HAVING A C...

COMBINED GAS TURBINE ENGINE AND FUEL CELL

AIRCRAFT SYSTEM WITH GAS TURBINE ENGINE POWERED COMPRESSOR

MULTI-SPEED TRANSMISSION TO CONTROL VARIABLE APU SPEED AND CONSTANT...

SYSTEMS AND METHODS FOR STARTING A GAS TURBINE ENGINE

INTEGRATED ELECTRO-AERO-THERMAL TURBINE ENGINE

AUXILIARY POWER UNIT ADAPTIVE COOLDOWN CYCLE SYSTEM AND METHOD

GAS TURBINE ENGINE SYSTEM WITH MIXED FLOW AUXILIARY POWER UNIT

COOLING SYSTEM FOR TAIL CONE MOUNTED GENERATOR

DUAL-PURPOSE CONTROL MOMENT GYROSCOPE FOR VEHICLE CONTROL

SYSTEM AND METHOD FOR CONTROLLING FUEL FLOW TO AN AIRCRAFT ENGINE D...

GAS TURBINE ENGINE STARTER SYSTEMS AND ASSOCIATED METHODS

AUXILIARY POWER UNIT COMPRISING A GAS GENERATOR IN DIRECT-DRIVE CON...

ROCKET MOTOR AUXILIARY POWER GENERATION UNIT SYSTEMS AND METHODS

METHOD OF OPERATING A GAS TURBINE ENGINE, COMPRESSED AIR DELIVERY S...

AUXILIARY POWER UNIT ADAPTIVE COOLDOWN CYCLE SYSTEM AND METHOD

GAS TURBINE ENGINE COOLING SYSTEM CONTROL

AUXILIARY POWER SYSTEMS, AIRCRAFT INCLUDING THE SAME, AND RELATED M...

PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM

INTEGRATED ELECTRO-AERO-THERMAL TURBINE ENGINE

AUXILIARY POWER UNIT PLENUM WITH A PLEATED SCREEN FOR FOREIGN OBJEC...

HYDRAULIC STARTER ASSEMBLY FOR A GAS TURBINE ENGINE

MULTI-ENGINE COORDINATION DURING GAS TURBINE ENGINE MOTORING

BEARING HOUSING FOR A TWO-WHEEL AIR CYCLE MACHINE

FRAME FOR A HEAT ENGINE

GAS TURBINE ENGINE STALL MARGIN MANAGEMENT