Patents-Review.com
ClassID:

145482 ⎘

F05D2250/44 - CPC Classification

Classification description:

Geometry; Movement of components by counter rotation

Recent Application in this class:
#1
20260084829
2026-03-26

RAM AIR TURBINE

 #2
20240286755
2024-08-29

RAM AIR TURBINE

 #3
20240093638
2024-03-21

Ferrule for counter-rotating turbine impeller

 #4
20230296023
2023-09-21

Turbine with pressurised cavities

 #5
20230203985
2023-06-29

IMPROVED ARCHITECTURE OF A TURBOMACHNE WITH COUNTER-ROTATING TURBINE

 #6
20220243605
2022-08-04

Cooling device for a turbomachine casing

 #7
20220205387
2022-06-30

Gas turbine engine with interdigitated turbine and gear assembly

 #8
20220178331
2022-06-09

GAS TURBINE FOR TWIN-ROTOR AIRCRAFT

 #9
20200263545
2020-08-20

Electric turbomachine

 #10
20200247528
2020-08-06

System for changing the pitch of a turboprop engine comprising an upstream pair of contrarotating propellers

 #11
20200116081
2020-04-16

Aircraft turbomachine with mechanical reducer and contrarotative turbine

 #12
20190093489
2019-03-28

Outer drum rotor assembly

 #13
20190085766
2019-03-21

Counter rotating turbine with reversing speed reduction assembly

 #14
20190085698
2019-03-21

Rotatable torque frame for gas turbine engine

 #15
20190017412
2019-01-17

Flow metering and retention system

 #16
20180340446
2018-11-29

Interdigitated turbine engine air bearing cooling structure and method of thermal management

 #17
20180340423
2018-11-29

Air bearing and thermal management nozzle arrangement for interdigitated turbine engine

 #18
20180320632
2018-11-08

Counter rotating turbine with reversing reduction gear assembly

 #19
20180128168
2018-05-10

Geared turbofan with three turbines all counter-rotating

 #20
20180094589
2018-04-05

Counter-rotating electric generator in turbine engine

 #21
20180030852
2018-02-01

Aircraft comprising a turbojet engine integrated into the rear fuselage comprising a fairing allowing the ejection of blades

 #22
20170248033
2017-08-31

Core differential bearing with centering spring and squeeze film damper

 #23
20160069204
2016-03-10

Geared annular airflow actuation system for variable cycle gas turbine engines

 #24
20160040594
2016-02-11

Counter-rotating low pressure turbine without turbine exhaust case

 #25
20150300265
2015-10-22

Gas turbine engine with cooling scheme for drive gear system and pitch control

 #26
20150252723
2015-09-10

Compressor areas for high overall pressure ratio gas turbine engine

 #27
20140290209
2014-10-02

Gas turbine apparatus

 #28
20140286749
2014-09-25

Multi-stage axial compressor with counter-rotation using accessory drive

 #29
20130287545
2013-10-31

Geared turbofan with three turbines all counter-rotating

 #30
20130259650
2013-10-03

GEARED TURBOFAN WITH THREE TURBINES WITH FIRST TWO CO-ROTATING AND THIRD ROTATING IN AN OPPOSED DIRECTION

 #31
20130223983
2013-08-29

Counter rotating low pressure turbine with splitter gear system

 #32
20130219860
2013-08-29

Counter-rotating low pressure turbine without turbine exhaust case

 #33
20130219856
2013-08-29

Counter-rotating low pressure turbine with gear system mounted to mid turbine frame

 #34
20130192196
2013-08-01

GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION

 #35
20120328439
2012-12-27

Method for balancing a propulsive system having non-hull contra-rotating propellers

 #36
20120328433
2012-12-27

Method for balancing a propulsive system having non-hull contra-rotating propellers

 #37
20110209458
2011-09-01

Aircraft gas turbine engine

 #38
20110171030
2011-07-14

Back-up featherer