B64C27/43 - CPC Classification Index

ClassID:

72124 ⎘

B64C27/43 - CPC Classification

Classification description:

Rotorcraft; Rotors peculiar thereto; Rotors having articulated joints with flapping or universal joint, common to the blades see-saw type, i.e. two-bladed rotor

Recent Application in this class:

20230415885

2023-12-28

TEETERING PROPULSOR ASSEMBLY OF AN ELECTRIC VERTICAL TAKEOFF AND LANDING AIRCRAFT

20230339601

2023-10-26

ROTOR ASSEMBLY

20230174225

2023-06-08

MULTI-ROTOR AIRCRAFTS WITH PASSIVELY TILTABLE ROTOR GROUPS AND METHODS OF MAKING AND USING THE SAME

20220388641

2022-12-08

Single-blade aircraft rotor

20190031318

2019-01-31

Propeller arrangement for an aircraft

20180319489

2018-11-08

Helicopter rotor hub assembly and helicopter including same

20180194462

2018-07-12

Teetering rotor hub system

20180141650

2018-05-24

Axial springs for rotor hub assembly

20160280369

2016-09-29

Rotorcraft

#10

20140377067

2014-12-25

Rotor system of a rotary wing aircraft

#11

20130149151

2013-06-13

Multiple-yoke main rotor assembly

#12

20120248240

2012-10-04

Vertical take-off and vertical landing gyroplane

#13

20120183401

2012-07-19

Main rotor arrangement of an UAV-helicopter

#14

20100178836

2010-07-15

Single rotor model helicopter with improved stability behavior

#15

20100124865

2010-05-20

Flying toy

#16

20090117812

2009-05-07

FLYING OBJECT WITH TANDEM ROTORS

#17

20090047862

2009-02-19

FLYING OBJECT WITH TANDEM ROTORS

#18

20080299867

2008-12-04

FLYING OBJECT WITH TANDEM ROTORS

#19

20070181742

2007-08-09

FLYING OBJECT WITH TANDEM ROTORS

#20

20070164148

2007-07-19

HELICOPTER

#21

18903192

2025-11-18

Teetering rotor yoke with pitched arms

#22

17852229

2023-05-09

Teetering propulsor assembly of an electric vertical takeoff and landing aircraft