Patents-Review.com
ClassID:

71962 ⎘

B64C11/303 - CPC Classification

Classification description:

Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft; Blade pitch-changing mechanisms characterised by comprising a governor

Recent Application in this class:
#1
20250229890
2025-07-17

METHOD AND SYSTEM FOR CONTROLLING A VARIABLE-PITCH PROPELLER WITH OIL LEAKAGE COMPENSATION

 #2
20250223026
2025-07-10

MODEL-BASED SPEED GOVERNING FOR VARIABLE-PITCH PROPELLER

 #3
20250051003
2025-02-13

PROTECTION SYSTEM

 #4
20240391583
2024-11-28

PROPELLER CONTROL SYSTEM FOR AN AIRCRAFT

 #5
20240343244
2024-10-17

ZERO WEIGHT BATTERY CHARGER FOR HYBRID ELECTRIC VEHICLES

 #6
20230365255
2023-11-16

Method For Controlling Vertical Take-Off And Landing Aircraft Using Different Propeller Blade Angle Of Attack Ranges For Different Flight Modes

 #7
20230074603
2023-03-09

Aircraft propeller blade radiator

 #8
20230012569
2023-01-19

Zero weight battery charger for hybrid electric vehicles

 #9
20220297833
2022-09-22

Rotary airfoil with reduced acoustic output

 #10
20220243606
2022-08-04

Propeller control unit

 #11
20220119121
2022-04-21

Integrated electric propulsion unit

 #12
20220094297
2022-03-24

Protection system for aircraft electric propulsion motor and motor controller

 #13
20220009615
2022-01-13

Hybrid electric powerplant (HEP) control architecture

 #14
20210291975
2021-09-23

Method of providing torque protection and/or thrust protection for propellers of a hybrid helicopter, and a hybrid helicopter

 #15
20210262414
2021-08-26

Aircraft Drive System Having Thrust-Dependent Controller

 #16
20210253236
2021-08-19

Rotary airfoil and design therefore

 #17
20210206474
2021-07-08

Propeller blade pitch angle feedback from actuator rotation

 #18
20200339244
2020-10-29

Blade angle position feedback system with offset sensors

 #19
20200331602
2020-10-22

ROTARY AIRFOIL AND DESIGN METHOD THEREFOR

 #20
20200331585
2020-10-22

Low latency pitch adjustable rotors

 #21
20200283124
2020-09-10

Propeller speed overshoot preventing logic

 #22
20200198764
2020-06-25

Propeller pitch control system for aircraft turboprop engines

 #23
20200189721
2020-06-18

Propeller blade angle closed loop control by solenoid modulation

 #24
20200164996
2020-05-28

Autothrottle control for turboprop engines

 #25
20190092453
2019-03-28

Propeller control unit

 #26
20190092452
2019-03-28

FLUID-DRIVEN DEVICE

 #27
20190031319
2019-01-31

Propeller control system for an aircraft

 #28
20190003642
2019-01-03

Metering of oil flow to engine propeller

 #29
20180354608
2018-12-13

Device for controlling a propeller, having variable-pitch blades, of a turboprop engine

 #30
20180265207
2018-09-20

MODULARIZED LOGIC

 #31
20180237125
2018-08-23

Autothrottle control for turboprop engines

 #32
20180023489
2018-01-25

Single Input Engine Controller and System

 #33
20170121029
2017-05-04

Tilt-rotor over-torque protection from asymmetric gust

 #34
20160229547
2016-08-11

Method and apparatus for controlling a turboprop engine

 #35
20150064006
2015-03-05

Ram air turbine startup

 #36
20140193261
2014-07-10

Hydraulic system for controlling the orientation of fan blades

 #37
20130323050
2013-12-05

Electrohydraulic propeller governor

 #38
20120114485
2012-05-10

Ram air turbine startup

 #39
20080243313
2008-10-02

Governor for a rotor with a variable maximum collective pitch

 #40
20070212221
2007-09-13

Propeller pitch lock system

 #41
20070212220
2007-09-13

Controlled propeller pitch lock actuation system

 #42
20070110577
2007-05-17

Control logic for a propeller system

 #43
20060263220
2006-11-23

Ram air turbine blade rotation over-speed prevention mechanism