ClassID:

145226

F05D2200/14 - CPC Classification

Classification description:

Mathematical features; Basic functions Division

Recent Application in this class:
#1
20260153097
2026-06-04

GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANES

#2
20260146539
2026-05-28

GAS TURBINE ENGINE NOZZLE

#3
20260139597
2026-05-21

TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING COOLING CONDUITS

#4
20260103989
2026-04-16

TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING A DOVETAIL

#5
20260103988
2026-04-16

TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING A DOVETAIL

#6
20260070667
2026-03-12

AIRCRAFT WITH AN UNDUCTED FAN PROPULSOR

#7
20260036135
2026-02-05

TURBOFAN ENGINE INCLUDING A FAN ACTUATION SYSTEM

#8
20260028947
2026-01-29

TURBOMACHINERY ENGINES WITH HIGH-SPEED LOW-PRESSURE TURBINES

#9
20260002494
2026-01-01

HIGH-SPEED SHAFT RATING FOR TURBINE ENGINES

#10
20260002492
2026-01-01

TURBOMACHINERY ENGINES WITH HIGH-SPEED LOW-PRESSURE TURBINES

#11
20260002491
2026-01-01

TURBOMACHINERY ENGINES WITH HIGH-SPEED LOW-PRESSURE TURBINES

#12
20250382975
2025-12-18

GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANES

#13
20250382974
2025-12-18

GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANES

#14
20250376943
2025-12-11

AIRCRAFT EMISSIONS

#15
20250376942
2025-12-11

AIRCRAFT EMISSIONS

#16
20250341182
2025-11-06

GAS TURBINE ENGINE

#17
20250341181
2025-11-06

GAS TURBINE ENGINE

#18
20250320847
2025-10-16

TURBOMACHINERY ENGINES WITH HIGH-SPEED LOW-PRESSURE TURBINES

#19
20250314208
2025-10-09

HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF

#20
20250290451
2025-09-18

GAS TURBINE ENGINE

#21
20250290450
2025-09-18

GAS TURBINE ENGINE

#22
20250283418
2025-09-11

TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING A SET OF COOLING CONDUITS

#23
20250283414
2025-09-11

TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING A SET OF COOLING CONDUITS

#24
20250250942
2025-08-07

Overall Engine Efficiency Rating for Turbomachine Engines

#25
20250237168
2025-07-24

COMPRESSION IN A GAS TURBINE ENGINE

#26
20250215823
2025-07-03

GAS TURBINE ENGINE

#27
20250163853
2025-05-22

GAS TURBINE ENGINE

#28
20250101872
2025-03-27

TURBINE ROTOR BLADE

#29
20240426252
2024-12-26

HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF

#30
20240352891
2024-10-24

SHAFT BEARING POSITIONING IN A GAS TURBINE ENGINE

#31
20240337228
2024-10-10

TURBOMACHINERY ENGINES WITH HIGH-SPEED LOW-PRESSURE TURBINES

#32
20240295193
2024-09-05

HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF

#33
20240263588
2024-08-08

Overall engine efficiency rating for turbomachine engines

#34
20240254925
2024-08-01

Overall engine efficiency rating for turbomachine engines

#35
20240175391
2024-05-30

Compression in a gas turbine engine

#36
20240060449
2024-02-22

Heat exchanger capacity for one or more heat exchangers associated with an accessory gearbox of a turbofan engine

#37
20240052785
2024-02-15

DUCTED TURBOMACHINERY ENGINES

#38
20240011442
2024-01-11

High-power epicyclic gearbox and operation thereof

#39
20230349327
2023-11-02

Shaft bearing positioning in a gas turbine engine

#40
20230323837
2023-10-12

Gas turbine engine with third stream

#41
20230323819
2023-10-12

Overall engine efficiency rating for turbomachine engines

#42
20230296056
2023-09-21

High power epicyclic gearbox and operation thereof

#43
20230258102
2023-08-17

Probe placement optimization in gas turbine engines

#44
20230258091
2023-08-17

Engine component with cooling architecture

#45
20230250753
2023-08-10

Turbomachinery and method for designing turbomachinery

#46
20230243309
2023-08-03

Overall engine efficiency rating for turbomachine engines

#47
20230228232
2023-07-20

Compression in a gas turbine engine

#48
20230184197
2023-06-15

Improved gas turbine engine

#49
20230184128
2023-06-15

IMPROVED GAS TURBINE ENGINE

#50
20230143026
2023-05-11

Method of controlling the geometrical configuration of a variable geometry element in a gas turbine engine compressor stage

#51
20230092426
2023-03-23

High power epicyclic gearbox and operation thereof

#52
20230076976
2023-03-09

Gas turbine engine with third stream

#53
20230073996
2023-03-09

Gearbox efficiency rating for turbomachine engines

#54
20230040732
2023-02-09

Evaporative cooling pack with same direction flutes designed to prevent nesting

#55
20220307426
2022-09-29

High power epicyclic gearbox and operation thereof

#56
20220235702
2022-07-28

Shaft bearing positioning in a gas turbine engine

#57
20220099035
2022-03-31

Gas turbine engine transfer efficiency

#58
20220065127
2022-03-03

METHOD FOR RECONSTRUCTING NON-UNIFORM CIRCUMFERENTIAL FLOW IN GAS TURBINE ENGINES

#59
20220065126
2022-03-03

Probe placement optimization in gas turbine engines

#60
20220042463
2022-02-10

Gearbox efficiency rating for turbomachine engines

#61
20220042462
2022-02-10

Gearbox efficiency rating for turbomachine engines

#62
20210372329
2021-12-02

High power epicyclic gearbox and operation thereof

#63
20210348567
2021-11-11

Adaptive boosting algorithm-based turbofan engine direct data-driven control method

#64
20210262396
2021-08-26

High power epicyclic gearbox and operation thereof

#65
20210190008
2021-06-24

Shaft bearing positioning in a gas turbine engine

#66
20210189963
2021-06-24

Shaft bearings

#67
20210172381
2021-06-10

High power epicyclic gearbox and operation thereof

#68
20200400101
2020-12-24

TURBINE ENGINE

#69
20200400100
2020-12-24

GAS TURBINE ENGINE TURBINE TEMPERATURE SPLIT

#70
20200400081
2020-12-24

Gas turbine engine transfer efficiency

#71
20200200083
2020-06-25

Gas turbine engine

#72
20200174032
2020-06-04

LOW NOISE COMPRESSOR AND TURBINE FOR GEARED TURBOFAN ENGINE

#73
20200049022
2020-02-13

GAS TURBINE ENGINE MOUNTING ARRANGEMENT

#74
20190195143
2019-06-27

System and method for estimation of gas fuel lower heating value using energy balances and parametric error modeling

#75
20180299477
2018-10-18

LOW NOISE COMPRESSOR AND TURBINE FOR GEARED TURBOFAN ENGINE

#76
20180266252
2018-09-20

Turbine wheel for a turbine of an exhaust gas turbocharger

#77
20170350404
2017-12-07

MOTOR CONTROLLER AND MOTOR CONTROL METHOD

#78
20170122218
2017-05-04

LOW NOISE COMPRESSOR AND TURBINE FOR GEARED TURBOFAN ENGINE

#79
20170122217
2017-05-04

LOW NOISE COMPRESSOR AND TURBINE FOR GEARED TURBOFAN ENGINE

#80
20160040604
2016-02-11

Pressure sensor noise filter prior to surge detection for a gas turbine engine

#81
20150240712
2015-08-27

MID-TURBINE DUCT FOR GEARED GAS TURBINE ENGINE

#82
20150064023
2015-03-05

Motor controller and motor control method

#83
19190507
2025-09-30

Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes

#84
19060252
2025-12-02

High-speed shaft rating for turbine engines

#85
19060234
2025-09-23

High-speed shaft rating for turbine engines

#86
19060222
2025-09-16

High-speed shaft rating for turbine engines

#87
17694444
2022-10-11

Overall engine efficiency rating for turbomachine engines

#88
17486277
2022-11-08

Gas turbine engine with third stream

#89
16821227
2020-12-01

High power epicyclic gearbox and operation thereof

#90
16807956
2020-10-20

High power epicyclic gearbox and operation thereof