ClassID:

71402

B63H1/20 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260071546
2026-03-12

Propeller

#2
20260043332
2026-02-12

THRUST RINGS, PROPELLERS AND METHODS

#3
20250290421
2025-09-18

Propeller

#4
20250100662
2025-03-27

PROPELLER PITCH INDICATOR SYSTEMS FOR ELECTRICALLY CONTROLLABLE PITCH PROPELLER SYSTEMS ON WATERCRAFT

#5
20240367769
2024-11-07

ANGULARLY POSITIONED MARINE PROPELLER COMBINATION AND A METHOD OF OPERATING A MARINE PROPELLER COMBINATION

#6
20240286723
2024-08-29

BEACHING PROPELLER

#7
20240239458
2024-07-18

PROPELLER FOR DRIVING WATERCRAFT

#8
20240092481
2024-03-21

CERAMIC PROPELLER

#9
20240051647
2024-02-15

MARINE PROPELLER

#10
20240051646
2024-02-15

SYSTEM FOR REDUCING BLADE TIP VORTEX CAVITATION BY CONTROLLING MASS FLOW

#11
20240017810
2024-01-18

METHOD FOR CONTROLLING A PROPELLER DRIVE ASSEMBLY

#12
20240010316
2024-01-11

PROPELLER DRIVE ARRANGEMENT

#13
20230278685
2023-09-07

Variable-pitch propeller having optimal hub-to-tip diameter ratio

#14
20230193761
2023-06-22

Propeller

#15
20230127305
2023-04-27

Detachable oar propulsion implement

#16
20230111172
2023-04-13

Propeller arrangement

#17
20230097292
2023-03-30

Multifunctional underwater propeller

#18
20230080933
2023-03-16

Testing device and method for testing a drive train or components within a marine propulsion system having at least one driven shaft

#19
20220402588
2022-12-22

Propeller apparatus

#20
20220388621
2022-12-08

Marine vehicle with submersible electric thruster

#21
20220380907
2022-12-01

PROPELLER ARRANGEMENT IN A CATHODIC PROTECTION SYSTEM

#22
20220242543
2022-08-04

Pod propulsion device

#23
20220185438
2022-06-16

Marine vessel propeller, propeller blade and method for installing the marine vessel propeller

#24
20220178258
2022-06-09

Propeller

#25
20220177095
2022-06-09

Propeller hubcap

#26
20220041265
2022-02-10

DRIVING DEVICE, PROPELLER AND PROPULSION SYSTEM

#27
20210284321
2021-09-16

Driving device, propeller, and propulsion system

#28
20210197939
2021-07-01

Propeller

#29
20210070410
2021-03-11

PROPELLER

#30
20200331574
2020-10-22

BOAT PROPELLER

#31
20200324866
2020-10-15

Propeller for boat propulsion apparatus

#32
20200290727
2020-09-17

Driving device, propeller and propulsion system

#33
20200216158
2020-07-09

Propeller for a water vehicle

#34
20200156747
2020-05-21

Drive system for a propeller

#35
20200094934
2020-03-26

Electrically-powered unmanned marine vehicle and method of making same

#36
20200039619
2020-02-06

Propeller assembly with hub structure which reduces gear noise during operation

#37
20190193834
2019-06-27

Driving device, propeller, and propulsion system

#38
20190127035
2019-05-02

Propeller assembly

#39
20190100293
2019-04-04

Unidirectional torque boosting propeller

#40
20190061913
2019-02-28

DOUBLE PITCH ANGLE PROPELLERS

#41
20190061892
2019-02-28

Lightweight composite propellers for outboard motor

#42
20180273151
2018-09-27

Trolling motor adaptor and methods of making and using the same

#43
20180229825
2018-08-16

SUBMERSIBLE ELECTRIC THRUSTER

#44
20180208285
2018-07-26

Propeller unit of marine propulsion apparatus

#45
20180162505
2018-06-14

Screw propeller with safety coupling

#46
20180127074
2018-05-10

Diffuser-type endplate propeller

#47
20180105246
2018-04-19

Apparatus and system for marine propeller blade dovetail stress reduction

#48
20180105245
2018-04-19

Apparatus and system for propeller blade aft retention

#49
20180105244
2018-04-19

Propeller assembly and method of assembling

#50
20180105243
2018-04-19

APPARATUS AND SYSTEM FOR PROPELLER BLADE FORWARD RETENTION

#51
20180105242
2018-04-19

Method and system for improving flow characteristics in marine propellers

#52
20180105241
2018-04-19

Apparatus for dovetail chord relief for marine propeller

#53
20180105240
2018-04-19

WOUND DOVETAIL WEDGE FOR MARINE PROPELLER RETENTION

#54
20170369138
2017-12-28

Propeller Assembly

#55
20170274971
2017-09-28

Marine propeller

#56
20170240267
2017-08-24

Driving device, propeller and propulsion system

#57
20170113774
2017-04-27

Marine propulsion assembly utilizing a dual opposed threaded drive shaft with taper

#58
20170066516
2017-03-09

Shock absorber for propeller unit, propeller unit, and vessel propulsion apparatus

#59
20150336647
2015-11-26

Propeller for vessel propulsion apparatus and vessel propulsion apparatus including the same

#60
20150314849
2015-11-05

Submersible electric thruster

#61
20150225053
2015-08-13

CYCLIC PITCH ACTUATION SYSTEM FOR COUNTER-ROTATING PROPELLERS

#62
20150217845
2015-08-06

Propeller incorporating a secondary propulsion system

#63
20150139801
2015-05-21

Propeller arrangement for marine vehicles

#64
20140248158
2014-09-04

Marine propeller with adjustable exhaust means

#65
20140205455
2014-07-24

Shock absorber for propeller unit, propeller unit, and vessel propulsion apparatus

#66
20140079553
2014-03-20

Marine propeller having demountable blades

#67
20140072445
2014-03-13

Demountable propeller

#68
20130003495
2013-01-03

PROPELLER ASSEMBLY COMPRISING ONE HUB AND AT LEAST TWO BLADES

#69
20120114489
2012-05-10

Marine propeller structure

#70
20100189563
2010-07-29

PROPELLER FOR VESSELS

#71
20100150720
2010-06-17

MARINE PROPULSION AND CONSTRUCTIONAL DETAILS THEREOF

#72
20100074756
2010-03-25

Propeller for boat

#73
20090129930
2009-05-21

Trolling motor propeller with elastomeric hub

#74
20080146095
2008-06-19

Outboard motor

#75
20080139061
2008-06-12

Spindle with overmolded bushing

#76
20080110386
2008-05-15

Rubber for ships

#77
20080096446
2008-04-24

Propeller for boat

#78
20070065282
2007-03-22

Performance propeller

#79
20060292007
2006-12-28

Boat propeller with adjustable blades for adjusting the pitch thereof

#80
20060263219
2006-11-23

Boat propeller

#81
20060198733
2006-09-07

Marine propeller drive

#82
20050226724
2005-10-13

Modular propeller

#83
20050191180
2005-09-01

Propeller hub assembly having overlap zone with optional removable exhaust ring and sized ventilation plugs

#84
20050084382
2005-04-21

Pulling marine propeller

#85
20050084374
2005-04-21

Shock-absorbing propeller assembly

#86
19178979
2026-04-14

Enhanced performance parallel loop blade propellers

#87
19037077
2025-10-14

Propeller mother and child transmission assembly with dual protection

#88
18346478
2024-07-09

Shallow water propellers

#89
18198377
2024-06-18

Apertured propeller assemblies and methods

#90
18143794
2024-08-20

Fixed-pitch bolted propeller

#91
18123717
2025-08-05

Marine propellers with compression spring sleeve assemblies

#92
17898038
2024-06-04

Pendulum mass damper hub propeller assembly for marine drives

#93
17864630
2024-06-04

Two-piece hub propeller assembly for marine drives

#94
17589104
2024-07-16

Marine propeller

#95
17589073
2023-11-28

Marine propeller

#96
17467847
2023-09-05

Damper assemblies and marine propellers with damper assemblies

#97
17154492
2022-04-12

Propeller assembly with noise reducing hub arrangement

#98
17147473
2023-06-20

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

#99
17109536
2022-10-04

Marine drives and propeller devices having exhaust venting for enhanced reverse thrust performance

#100
16945648
2021-01-05

Peller blade with a flap

#101
16242469
2020-08-25

Gear mounting assemblies for one or more propellers on a marine drive

#102
16158837
2020-02-25

Dual blade assembly propeller

#103
16105372
2020-12-29

Systems and methods for reducing porosity in propellers

#104
16053218
2020-01-14

Progressive shear assemblies

#105
15685411
2019-03-19

Marines drives and propeller shaft bearing hubs for marine drives having turning vanes that facilitate discharge of exhaust gas

#106
15295259
2017-06-20

System for composite marine propellers

#107
15063330
2022-03-01

Propeller nut

#108
14943187
2019-07-02

Shock absorbing hub assemblies and methods of making shock absorbing hub assemblies for marine propulsion devices

#109
14756550
2018-04-17

Efficient reverse thrusting modular propeller