ClassID:

145225

F05D2200/13 - CPC Classification

Classification description:

Mathematical features; Basic functions Product

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
20250283418
2025-09-11

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

#19
20250283414
2025-09-11

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

#20
20250250942
2025-08-07

Overall Engine Efficiency Rating for Turbomachine Engines

#21
20250215889
2025-07-03

TiAl ALLOY IMPELLER

#22
20250215823
2025-07-03

GAS TURBINE ENGINE

#23
20240263588
2024-08-08

Overall engine efficiency rating for turbomachine engines

#24
20240254925
2024-08-01

Overall engine efficiency rating for turbomachine engines

#25
20240060449
2024-02-22

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

#26
20240052785
2024-02-15

DUCTED TURBOMACHINERY ENGINES

#27
20230323819
2023-10-12

Overall engine efficiency rating for turbomachine engines

#28
20230250753
2023-08-10

Turbomachinery and method for designing turbomachinery

#29
20230243309
2023-08-03

Overall engine efficiency rating for turbomachine engines

#30
20230184128
2023-06-15

IMPROVED GAS TURBINE ENGINE

#31
20230143026
2023-05-11

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

#32
20230073996
2023-03-09

Gearbox efficiency rating for turbomachine engines

#33
20230040732
2023-02-09

Evaporative cooling pack with same direction flutes designed to prevent nesting

#34
20220042463
2022-02-10

Gearbox efficiency rating for turbomachine engines

#35
20220042462
2022-02-10

Gearbox efficiency rating for turbomachine engines

#36
20210348567
2021-11-11

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

#37
20200400100
2020-12-24

GAS TURBINE ENGINE TURBINE TEMPERATURE SPLIT

#38
20200174032
2020-06-04

LOW NOISE COMPRESSOR AND TURBINE FOR GEARED TURBOFAN ENGINE

#39
20200049022
2020-02-13

GAS TURBINE ENGINE MOUNTING ARRANGEMENT

#40
20190195143
2019-06-27

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

#41
20190155318
2019-05-23

TORQUE SIGNAL DYNAMIC COMPENSATION BASED ON SENSOR LOCATION

#42
20180299477
2018-10-18

LOW NOISE COMPRESSOR AND TURBINE FOR GEARED TURBOFAN ENGINE

#43
20170122218
2017-05-04

LOW NOISE COMPRESSOR AND TURBINE FOR GEARED TURBOFAN ENGINE

#44
20170122217
2017-05-04

LOW NOISE COMPRESSOR AND TURBINE FOR GEARED TURBOFAN ENGINE

#45
20150292967
2015-10-15

Strain gauge and accelerometer measurement for thrust estimation

#46
19190507
2025-09-30

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

#47
19060252
2025-12-02

High-speed shaft rating for turbine engines

#48
19060234
2025-09-23

High-speed shaft rating for turbine engines

#49
19060222
2025-09-16

High-speed shaft rating for turbine engines

#50
17694444
2022-10-11

Overall engine efficiency rating for turbomachine engines