Patents-Review.com
ClassID:

72232 ⎘

B64C39/068 - CPC Classification

Classification description:

Aircraft not otherwise provided for having disc- or ring-shaped wings having multiple wings joined at the tips

Recent Application in this class:
#1
20260131915
2026-05-14

Loitering Craft

 #2
20250135817
2025-05-01

Loitering Craft

 #3
20250033767
2025-01-30

Rotor deployment mechanism for vertical take-off and landing aircraft

 #4
20250019082
2025-01-16

VTOL AIRCRAFT WITH DUAL PROPELLERS AND DIRECTIONAL CLUTCH

 #5
20240417069
2024-12-19

Method For Flying VTOL Aircraft With Forward Canted Rotors

 #6
20240300644
2024-09-12

VERTICAL TAKE-OFF BOX WING AIRCRAFT

 #7
20240253778
2024-08-01

Multirotor aerial vehicle with tiltable rotor

 #8
20240208644
2024-06-27

Method for flying VTOL aircraft with forward canted rotors

 #9
20240101252
2024-03-28

VTOL aircraft using fixed forward canted rotors

 #10
20230382541
2023-11-30

Vertical take-off and landing aircraft with deployable rotors

 #11
20230339610
2023-10-26

AIRCRAFT STRUCTURE

 #12
20230312089
2023-10-05

MULTIPLE FLIGHT MODE AIRCRAFT ARCHITECTURES AND CONTROLS

 #13
20230137714
2023-05-04

Articulated electric propulsion system and lightweight vertical take-off and landing aircraft using same

 #14
20230086655
2023-03-23

Variable-sweep wing aerial vehicle with VTOL capabilites

 #15
20220388648
2022-12-08

VTOL box-wing multirotor aerial vehicle

 #16
20220324560
2022-10-13

Airborne Vehicle With Multi-Airfoil Tail

 #17
20220281593
2022-09-08

VTOL aircraft with electric propulsion

 #18
20220266995
2022-08-25

Closed wing VTOL aircraft

 #19
20220258870
2022-08-18

Aerodynamically efficient lightweight vertical take-off and landing aircraft

 #20
20220242565
2022-08-04

Methods for improvements of the closed wing aircraft concept and corresponding aircraft configurations

 #21
20220227477
2022-07-21

Aircraft having a folding system

 #22
20220204174
2022-06-30

Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and box wing design

 #23
20220169372
2022-06-02

Compound helicopter with braced wings in joined-wing configuration

 #24
20220161927
2022-05-26

Vertical take-off and landing (VTOL) aircraft

 #25
20220144440
2022-05-12

Aerodynamically efficient lightweight vertical take-off and landing aircraft with deployable rotors

 #26
20220081110
2022-03-17

AN AIRCRAFT

 #27
20220081108
2022-03-17

VTOL aircraft using rotors to simulate rigid wing dynamics

 #28
20220041271
2022-02-10

VTOL aircraft using fixed forward canted rotors to simulate rigid wing dynamics

 #29
20210354816
2021-11-18

Vertical and short takeoff and landing (VSTOL) aircraft

 #30
20210245876
2021-08-12

Tail sitter

 #31
20210245875
2021-08-12

Tail sitter

 #32
20210206485
2021-07-08

Articulated Electric Propulsion System With Fully Stowing Blades And Lightweight Vertical Take-Off And Landing Aircraft Using Same

 #33
20210031909
2021-02-04

Lift rotor system

 #34
20210001979
2021-01-07

VTOL AIRCRAFT USING FIXED FORWARD CANTED ROTORS TO SIMULATE RIGID WING DYNAMICS

 #35
20200407060
2020-12-31

NOVEL AIRCRAFT DESIGN USING TANDEM WINGS AND A DISTRIBUTED PROPULSION SYSTEM

 #36
20200407055
2020-12-31

Aircraft with right and left propulsion unit support beams extending between main and aft wings

 #37
20200317353
2020-10-08

Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and box wing design

 #38
20200269980
2020-08-27

Multirotor joined-wing aircraft with VTOL capabilities

 #39
20200231277
2020-07-23

Wing tilt actuation system for electric vertical take-off and landing (VTOL) aircraft

 #40
20200223542
2020-07-16

Wing tilt actuation system for electric vertical take-off and landing (vtol) aircraft

 #41
20200164993
2020-05-28

Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and stowing rotor blades

 #42
20200156780
2020-05-21

Rhombohedral-wing aircraft for vertical take-off and/or landing

 #43
20200140072
2020-05-07

Compound helicopter with a fixed wing arrangement

 #44
20200079502
2020-03-12

Articulated electric propulsion system with fully stowing blades and lightweight vertical take-off and landing aircraft using same

 #45
20190382115
2019-12-19

Aircraft with variable-geometry rhombohedral wing structure

 #46
20190375500
2019-12-12

Articulated electric propulsion system with fully stowing blades and lightweight vertical take-off and landing aircraft using same

 #47
20190291846
2019-09-26

Aircraft with strut-braced wing system

 #48
20190193839
2019-06-27

Aircraft with a weight element controlling the center of gravity thereof

 #49
20190152603
2019-05-23

Braced wing aircraft

 #50
20180305019
2018-10-25

FIXED-WING AIRCRAFT WITH INCREASED STATIC STABILITY

 #51
20180305007
2018-10-25

Configuration for vertical take-off and landing system for aerial vehicles

 #52
20180290736
2018-10-11

VTOL aircraft using rotors to simulate rigid wing aero dynamics

 #53
20180141672
2018-05-24

Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and stowing rotor blades

 #54
20180065722
2018-03-08

Traction air device, air device for a wind plant and wind plant for electric power production, ship provided with a traction air device

 #55
20170297708
2017-10-19

Methods for improvements of the box wing aircraft concept and corresponding aircraft configuration

 #56
20170197709
2017-07-13

Compound rotorcraft

 #57
20170106977
2017-04-20

Aircraft With Polygonal Wings

 #58
20160304194
2016-10-20

Articulated electric propulsion system with fully stowing blades and lightweight vertical take-off and landing aircraft using same

 #59
20160121995
2016-05-05

Aircraft and convertible wing assembly

 #60
20160031555
2016-02-04

Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and stowing rotor blades

 #61
20150336655
2015-11-26

Box wing with angled gas turbine engine cores

 #62
20150266571
2015-09-24

Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and stowing rotor blades

 #63
20150048215
2015-02-19

Aircraft stability and efficient control through induced drag reduction

 #64
20140061367
2014-03-06

Compound helicopter

 #65
20140042277
2014-02-13

Flying device and a wing construction for the same

 #66
20120085858
2012-04-12

Aircraft having a variable geometry

 #67
20120074264
2012-03-29

AIRPLANE WING

 #68
20110180660
2011-07-28

Aircraft having a lambda-box wing configuration

 #69
20100314498
2010-12-16

Personal spacecraft

 #70
20100282917
2010-11-11

Aerial vehicle with variable aspect ratio deployable wings

 #71
20100224721
2010-09-09

VTOL aerial vehicle

 #72
20100200703
2010-08-12

Aircraft presenting two pairs of wings and fuel tanks in fluid communication

 #73
20100051755
2010-03-04

TAIL-LESS BOXED BIPLANE AIR VEHICLE

 #74
20070215748
2007-09-20

VTOL UAV with lift fans in joined wings

 #75
20070164147
2007-07-19

Aircraft internal wing and design

 #76
20070120007
2007-05-31

Aerodynamic vehicle having a variable geometry, co-planar, joined wing

 #77
20060151666
2006-07-13

Vertical take-off and landing (VTOL) aircraft with distributed thrust and control

 #78
20060144991
2006-07-06

Swept-wing box-type aircraft with high fligh static stability

 #79
20060091263
2006-05-04

Lifting foil

 #80
20060022085
2006-02-02

Device and method of control of fixed and variable geometry rhomboid wings

 #81
20050173592
2005-08-11

Lifting foil

 #82
20050103929
2005-05-19

Supersonic aircraft with channel relief control

 #83
20050045765
2005-03-03

Apparatus for increase of aircraft lift and maneuverability

 #84
17453194
2023-03-07

Vertical take-off and landing aircraft and methods of taking-off, landing, and aircraft control