Patents-Review.com
ClassID:

71405 ⎘

B63H1/26 - CPC Classification

Classification description:

Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction; Propellers Blades

Sub-classes:
Recent Application in this class:
#1
20260138738
2026-05-21

VEHICLES EQUIPPED WITH AN ELECTRIC MOTOR INCLUDING AN OPEN CENTRAL REGION CONFIGURED TO ENABLE RELEASE AND/OR OPERATION OF A DEVICE FROM WITHIN THE ELECTRIC MOTOR

 #2
20250249993
2025-08-07

PROPELLER HAVING ROUGH SURFACES ON BLADES AND METHOD FOR MAKING THE SAME

 #3
20240286723
2024-08-29

BEACHING PROPELLER

 #4
20240239458
2024-07-18

PROPELLER FOR DRIVING WATERCRAFT

 #5
20240150008
2024-05-09

RESILIENT AND SCALABLE MICROTEXTURED COATINGS FOR QUIET AND EFFICIENT URBAN AIR MOBILITY

 #6
20240092481
2024-03-21

CERAMIC PROPELLER

 #7
20240051646
2024-02-15

SYSTEM FOR REDUCING BLADE TIP VORTEX CAVITATION BY CONTROLLING MASS FLOW

 #8
20220388617
2022-12-08

High-speed omnidirectional underwater propulsion mechanism

 #9
20220372989
2022-11-24

EXPANDABLE IMPELLER PUMP

 #10
20220274678
2022-09-01

Propeller for a marine vessel

 #11
20220017198
2022-01-20

Outboard motor

 #12
20210197939
2021-07-01

Propeller

 #13
20210172451
2021-06-10

Expandable impeller pump

 #14
20210172450
2021-06-10

Expandable impeller pump

 #15
20210070410
2021-03-11

PROPELLER

 #16
20200324866
2020-10-15

Propeller for boat propulsion apparatus

 #17
20200216158
2020-07-09

Propeller for a water vehicle

 #18
20200079483
2020-03-12

Prevention of cavitation

 #19
20200025212
2020-01-23

Propeller blade

 #20
20200023930
2020-01-23

BLADE COMPONENT FOR A PROPELLER

 #21
20190154053
2019-05-23

Expandable impeller pump

 #22
20190128123
2019-05-02

Aerofoil with leading edge slits

 #23
20190101128
2019-04-04

Wing or blade design for wingtip device, rotor, propeller, turbine, and compressor blades with energy regeneration

 #24
20190061892
2019-02-28

Lightweight composite propellers for outboard motor

 #25
20190061891
2019-02-28

High efficiency, low RPM, underwater propeller

 #26
20190009873
2019-01-10

A HORIZONTAL SHAFT ROTOR AND A WATERCRAFT HAVING THE ROTOR

 #27
20180127074
2018-05-10

Diffuser-type endplate propeller

 #28
20180106234
2018-04-19

Ship screw, pump screw or turbine screw

 #29
20180105247
2018-04-19

Tangential flow machine

 #30
20180105245
2018-04-19

Apparatus and system for propeller blade aft retention

 #31
20180105244
2018-04-19

Propeller assembly and method of assembling

 #32
20180105241
2018-04-19

Apparatus for dovetail chord relief for marine propeller

 #33
20180105240
2018-04-19

WOUND DOVETAIL WEDGE FOR MARINE PROPELLER RETENTION

 #34
20170320562
2017-11-09

Rotor or propeller blade with dynamically variable geometry and other properties

 #35
20170274971
2017-09-28

Marine propeller

 #36
20170241278
2017-08-24

Aerofoil

 #37
20170159444
2017-06-08

Blade channel, blade cascade and turbomachine

 #38
20170030370
2017-02-02

High pitch stall resisting propeller

 #39
20170029071
2017-02-02

Submerged planing surface that provides hydrodynamic lift in a liquid at high speed

 #40
20170022970
2017-01-26

Vortex propeller

 #41
20170015398
2017-01-19

Asymmetric propulsion and maneuvering system

 #42
20160121985
2016-05-05

MARINE PROPELLER BLADES WITH REVERSE CUPPING

 #43
20150337854
2015-11-26

Propeller blade

 #44
20150217846
2015-08-06

Propeller Including a Blade Back Flow Guide

 #45
20150217845
2015-08-06

Propeller incorporating a secondary propulsion system

 #46
20150210370
2015-07-30

RING PROPELLER WITH FORWARD SCREW

 #47
20150191233
2015-07-09

Propeller including a discrete blade edge cover member

 #48
20150159619
2015-06-11

Ship screw, pump screw or turbine screw

 #49
20150152878
2015-06-04

Expandable impeller pump

 #50
20150139801
2015-05-21

Propeller arrangement for marine vehicles

 #51
20150110623
2015-04-23

Method of dynamic energy-saving superconductive propeller interaction with a fluid medium

 #52
20150086379
2015-03-26

PROPELLER BLADE ASSEMBLY

 #53
20150037157
2015-02-05

COMPOSITE PROPELLER BLADE STRUCTURE

 #54
20140322021
2014-10-30

Method of and a device for reducing the azimuthal torque acting on a pulling pod unit or azimuth thruster

 #55
20140161615
2014-06-12

Water turbine propeller

 #56
20140105742
2014-04-17

Emergency inflation Kayak, Canoe paddle

 #57
20140056710
2014-02-27

Propeller for ventilator, with a variable chord length

 #58
20130287582
2013-10-31

High efficiency propeller blade with increased pressure side surface

 #59
20130149167
2013-06-13

MARINE PROPELLER APPLICABLE TO ALL SPEED RANGES

 #60
20130129503
2013-05-23

Expandable impeller pump

 #61
20130121842
2013-05-16

PROPELLER / TURBINE BLADE POWER CHANNEL

 #62
20130102209
2013-04-25

Propulsion device and ship using the same

 #63
20130045107
2013-02-21

PROPELLER BLADE

 #64
20120302113
2012-11-29

Marine propulsion assembly

 #65
20120269639
2012-10-25

PROPELLER FOR OUTBOARD MOTOR

 #66
20120114489
2012-05-10

Marine propeller structure

 #67
20120093660
2012-04-19

Blade orientation of an impeller or propeller

 #68
20110236210
2011-09-29

Expandable impeller pump

 #69
20110217177
2011-09-08

Stepped surface propeller

 #70
20110211950
2011-09-01

Method of dynamic energy-saving superconductive propeller interaction with a fluid medium

 #71
20110182747
2011-07-28

Hub fin device

 #72
20110091328
2011-04-21

Marine propeller with reverse thrust cup

 #73
20110061579
2011-03-17

DYNAMIC FIN COMPRISING COUPLED FIN SECTIONS

 #74
20110059663
2011-03-10

ADVANCED FOIL DESIGN METHOD AND STRUCTURE FOR MULTI SPEEDS

 #75
20100226776
2010-09-09

Sacrificial blade tip

 #76
20100104448
2010-04-29

FLOW RESTRICTIVE EDGE PROFILE EXHIBITED UPON A SURFACE OF A FLUID PROPELLED/PROPELLING IMPLEMENT

 #77
20100014981
2010-01-21

Variable-twist rotor blade controlled by hub pitch angle and rotational speed

 #78
20100008780
2010-01-14

Marine propeller pitch adjustment means

 #79
20090226323
2009-09-10

Quiet propeller

 #80
20090060743
2009-03-05

Expandable impeller pump

 #81
20090010763
2009-01-08

Propeller

 #82
20080232973
2008-09-25

Propeller blade

 #83
20080093860
2008-04-24

Propeller and horizontal-axis wind turbine

 #84
20070189902
2007-08-16

Wind blade spar cap and method of making

 #85
20070173143
2007-07-26

High efficiency hydrofoil and swim fin designs

 #86
20070065282
2007-03-22

Performance propeller

 #87
20060186269
2006-08-24

Adaptive compliant wing and rotor system

 #88
20060062672
2006-03-23

Expandable impeller pump

 #89
20050226724
2005-10-13

Modular propeller

 #90
20050186081
2005-08-25

Wind blade spar cap and method of making

 #91
20050025626
2005-02-03

Supercavitating propeller with adjustable cup, and the method to adjust said cup

 #92
18470534
2024-04-02

Shovel blade airplane/boat propeller

 #93
18346478
2024-07-09

Shallow water propellers

 #94
18198377
2024-06-18

Apertured propeller assemblies and methods

 #95
17589104
2024-07-16

Marine propeller

 #96
17589089
2024-02-27

Marine propeller

 #97
17589073
2023-11-28

Marine propeller

 #98
17147473
2023-06-20

Superventilated blade that provides hydrodynamic force in a liquid at high speed

 #99
16945648
2021-01-05

Peller blade with a flap

 #100
16158837
2020-02-25

Dual blade assembly propeller

 #101
16105372
2020-12-29

Systems and methods for reducing porosity in propellers

 #102
15051559
2018-04-17

Shape shifting foils

 #103
14756550
2018-04-17

Efficient reverse thrusting modular propeller

 #104
14676305
2016-01-26

Wakesurfing boat

 #105
14669341
2016-03-08

ChetProp air or water propeller and spinner with front and back leg assemblies attached to spinner