ClassID:

71675

B63H23/34 - CPC Classification

Classification description:

Transmitting power from propulsion power plant to propulsive elements; Other parts Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts

Sub-classes:
Recent Application in this class:
#1
20260145770
2026-05-28

PROPELLER ASSEMBLY FOR A BOAT

#2
20260077849
2026-03-19

A MARINE DRIVE UNIT WITH A BI-DIRECTIONAL INTEGRATED OIL CHANNEL

#3
20260062098
2026-03-05

Modular Power System and A Modular Electric Surfboard

#4
20260043440
2026-02-12

Coupler for Sterndrive Watercraft

#5
20260001638
2026-01-01

STIFFENING SHAFTS FOR MARINE ENVIRONMENTS

#6
20250313324
2025-10-09

MARINE PROPULSION DEVICE

#7
20250313320
2025-10-09

DRIVE MECHANISM FOR A FLUKE DRIVE AND METHOD FOR INSTALLNING THE SAME

#8
20250196983
2025-06-19

PEDAL DRIVE AND STEERING ASSEMBLY FOR INFLATABLE WATERCRAFT AND WATERCRAFT COMBINED WITH SAME

#9
20250196974
2025-06-19

SYSTEMS AND METHODS FOR UTILIZING NUCLEAR-BASED MARINE CRAFT TO GENERATE ELECTRICITY FOR EXTERNAL OR GRID USAGE

#10
20250136261
2025-05-01

INBOARD MARINE MOTOR DRIVE AND PROPULSION SYSTEM

#11
20250136259
2025-05-01

Sail-drive propulsion system for boats

#12
20250121917
2025-04-17

AXIAL FLUX PROPULSION SYSTEM FOR AN ELECTRIC BOAT

#13
20250019052
2025-01-16

TRANSDUCER MOUNT FOR TROLLING MOTOR

#14
20240326975
2024-10-03

STIFFENING SHAFTS FOR MARINE ENVIRONMENTS

#15
20240246652
2024-07-25

DRIVE UNIT FOR JOINT PROPULSION AND MOTION CONTROL OF A MARINE VESSEL

#16
20240217640
2024-07-04

Axial flux propulsion system for an electric boat

#17
20240208630
2024-06-27

OUTBOARD MOTOR

#18
20240181823
2024-06-06

Amphibious vehicle

#19
20240101238
2024-03-28

OUTBOARD MOTOR

#20
20240092467
2024-03-21

Pedal drive and steering assembly for inflatable watercraft and watercraft combined with same

#21
20240079929
2024-03-07

MARINE PROPELLER SYSTEM WITH HIGH TORQUE DRIVE

#22
20240059388
2024-02-22

STIFFENING SHAFTS FOR MARINE ENVIRONMENTS

#23
20240017810
2024-01-18

METHOD FOR CONTROLLING A PROPELLER DRIVE ASSEMBLY

#24
20230373258
2023-11-23

Amphibious vehicle

#25
20230322097
2023-10-12

Battery pack for personal watercraft

#26
20230303227
2023-09-28

Marine vessel propulsion apparatus

#27
20230279905
2023-09-07

Coupler for Sterndrive Watercraft

#28
20230278690
2023-09-07

MARINE PROPULSION SYSTEM SUPPORTED BY A STRUT

#29
20230257089
2023-08-17

Watercraft vehicle and method of manoeuvring the vehicle

#30
20230249795
2023-08-10

INTEGRATED ELECTRIC PONTOON DRIVE SYSTEM

#31
20230231443
2023-07-20

Marine propeller system with high torque drive

#32
20230219672
2023-07-13

OUTBOARD MOTOR AND MARINE VESSEL

#33
20230182879
2023-06-15

Jet pump assembly and method of securing jet pump assembly to pontoon boat

#34
20230167858
2023-06-01

VESSEL PROPULSION APPARATUS, VESSEL, AUXILIARY MACHINE-EQUIPPED ENGINE, AND TORQUE FLUCTUATION ABSORBER

#35
20230143541
2023-05-11

UNDERWATER PROPULSION UNIT

#36
20230117832
2023-04-20

Arrangement And Method For Sealing A Propeller Shaft Of A Marine Vessel

#37
20230111172
2023-04-13

Propeller arrangement

#38
20230109555
2023-04-06

Marine propulsion device, propeller unit, and method

#39
20230075946
2023-03-09

Battery pack for personal watercraft

#40
20230067869
2023-03-02

PROPELLER ASSEMBLY FOR A BOAT

#41
20230066941
2023-03-02

Outboard motor

#42
20230049819
2023-02-16

OUTBOARD MOTOR AND MARINE VESSEL

#43
20230041826
2023-02-09

Marine propeller system with high torque drive

#44
20230035557
2023-02-02

OUTBOARD MOTOR

#45
20230030804
2023-02-02

Outboard motor

#46
20230029771
2023-02-02

Outboard motor

#47
20230002024
2023-01-05

Propulsion Unit for a Marine Vessel

#48
20220411033
2022-12-29

SYSTEM AND METHOD OF HYBRID MARINE PROPULSION

#49
20220402587
2022-12-22

Propeller for vessel propulsion apparatus and vessel propulsion apparatus

#50
20220340021
2022-10-27

Battery pack for personal watercraft

#51
20220332399
2022-10-20

PEDAL DRIVE AND STEERING ASSEMBLY FOR INFLATABLE WATERCRAFT AND WATERCRAFT COMBINED WITH SAME

#52
20220324538
2022-10-13

ELECTRIC DRIVE SYSTEM FOR CRAFT, SUCH AS A SURFBOARD OR PADDLEBOARD, WITH COOLING MEANS

#53
20220324536
2022-10-13

Human powered hydrofoil vehicle and use method

#54
20220315191
2022-10-06

Bearing device, for power transmission unit for an azimuth thruster

#55
20220315190
2022-10-06

Marine propulsion device

#56
20220297814
2022-09-22

Outboard engine

#57
20220297812
2022-09-22

Outboard motor steering and control system and methods for removable lower drive unit

#58
20220289354
2022-09-15

Outboard motor

#59
20220289352
2022-09-15

A MARINE PROPELLER

#60
20220281579
2022-09-08

Outboard motor

#61
20220281577
2022-09-08

Outboard motor

#62
20220234707
2022-07-28

DRIVE ARRANGEMENT FOR A MARINE VESSEL

#63
20220234706
2022-07-28

Outboard motor, marine vessel, and marine propulsion device

#64
20220227464
2022-07-21

Kayak with additional drive

#65
20220204149
2022-06-30

Stiffening shafts for marine environments

#66
20220194540
2022-06-23

Outboard motor

#67
20220194536
2022-06-23

Outboard motor

#68
20220177102
2022-06-09

Method for controlling marine hybrid systems

#69
20220177100
2022-06-09

Driving device for a vessel

#70
20220177099
2022-06-09

Outboard motor and lubricating oil introducing method thereof

#71
20220169349
2022-06-02

Axial flux propulsion system for an electric boat

#72
20220126964
2022-04-28

Outboard motor

#73
20220111946
2022-04-14

Outboard motor

#74
20220106028
2022-04-07

Outboard motor

#75
20220106026
2022-04-07

Pedal drive mount system for watercraft

#76
20220089265
2022-03-24

Cooled Outboard Engine Platform

#77
20220089261
2022-03-24

Supporting Structure for an Outboard Engine

#78
20220081092
2022-03-17

Outboard motor and marine propulsion system

#79
20220033047
2022-02-03

POWER PADDLE

#80
20220017185
2022-01-20

Surfboard with low-profile propulsion system

#81
20210284321
2021-09-16

Driving device, propeller, and propulsion system

#82
20210276685
2021-09-09

Marine propulsion system and control method

#83
20210253215
2021-08-19

Stiffening shafts for marine environments

#84
20210188409
2021-06-24

Apparatus and method for steering control of marine vessel able to automatically reduce chine walk, and marine vessel

#85
20210171174
2021-06-10

Device for propelling a navigational seacraft, and navigational seacraft provided with such a device

#86
20210147053
2021-05-20

Outboard motor and marine vessel

#87
20210114706
2021-04-22

Marine parallel propulsion system

#88
20210114705
2021-04-22

Drive for a boat with electric motor

#89
20210107613
2021-04-15

Vessel

#90
20210107603
2021-04-15

Human powered hydrofoil vehicle and use method

#91
20210061432
2021-03-04

Outboard motor and marine vessel

#92
20210001969
2021-01-07

Outboard motor

#93
20200331574
2020-10-22

BOAT PROPELLER

#94
20200290714
2020-09-17

Stiffening shafts for marine environments

#95
20200283113
2020-09-10

Marine outboard motor with shift mechanism

#96
20200255113
2020-08-13

POWER PADDLE

#97
20200156747
2020-05-21

Drive system for a propeller

#98
20200130794
2020-04-30

Marine propulsion system supported by a strut

#99
20190389553
2019-12-26

Floating vessel with gearless pod propulsor having counter rotating propellers

#100
20190300136
2019-10-03

Vessel propulsion apparatus

#101
20190270501
2019-09-05

Outboard motor and damper for propeller unit

#102
20190193834
2019-06-27

Driving device, propeller, and propulsion system

#103
20190128378
2019-05-02

Gear drive for air driven vehicles

#104
20190100293
2019-04-04

Unidirectional torque boosting propeller

#105
20190061892
2019-02-28

Lightweight composite propellers for outboard motor

#106
20190047674
2019-02-14

Vessel propulsion apparatus

#107
20190016430
2019-01-17

MODERN FORWARD ENGINE, PLANING V-HULL BOAT

#108
20180265180
2018-09-20

Power paddle

#109
20180208285
2018-07-26

Propeller unit of marine propulsion apparatus

#110
20180162505
2018-06-14

Screw propeller with safety coupling

#111
20180072395
2018-03-15

A VESSEL AND A METHOD IN A VESSEL WITH A HULL AND A PROPULSION UNIT

#112
20180057134
2018-03-01

Outboard motor

#113
20180009515
2018-01-11

Integral pedal drive for watercraft

#114
20180001983
2018-01-04

Outboard motor

#115
20170362526
2017-12-21

Water lubrication type bearing material

#116
20170349256
2017-12-07

Vessel propulsion apparatus

#117
20170158288
2017-06-08

SEMI-RIGID INFLATABLE WATERCRAFT

#118
20170113774
2017-04-27

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

#119
20170106958
2017-04-20

Outboard motor

#120
20170073055
2017-03-16

CENTRIFUGAL PROPULSION APPARATUS AND SHIP HAVING SAME

#121
20170066516
2017-03-09

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

#122
20170043853
2017-02-16

Marine engine propelling apparatuses

#123
20170021906
2017-01-26

Power paddle

#124
20160200410
2016-07-14

WATERCRAFT WITH STERNDRIVE AND HULL WITH VENTED TUNNEL

#125
20160194066
2016-07-07

Propulsion device for ship and ship comprising the same

#126
20160016645
2016-01-21

Breakaway shaft

#127
20150367927
2015-12-24

DRIVE SHAFTS

#128
20150367925
2015-12-24

Marine propulsion device

#129
20150336647
2015-11-26

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

#130
20150314846
2015-11-05

Propeller for ship, and assembling method and disassembling method therefor

#131
20150225057
2015-08-13

Shaft made of fiber composite material with fireproof bulkhead feedthrough

#132
20150225056
2015-08-13

Vessel propulsion apparatus and method for manufacturing the same

#133
20150225055
2015-08-13

Outboard marine motor assembly and conversion kit

#134
20150166160
2015-06-18

MARINE POD DRIVE SYSTEM

#135
20150151822
2015-06-04

Boat propulsion device

#136
20150132145
2015-05-14

Boat propeller nut

#137
20150093947
2015-04-02

Electric steering apparatus for vessel propulsion apparatus, and vessel propulsion apparatus

#138
20150093946
2015-04-02

Watercraft

#139
20150090170
2015-04-02

Dual rudder watercraft steering control system for enhanced maneuverability

#140
20150050153
2015-02-19

Ship drive

#141
20150017848
2015-01-15

Multi-stage watertight chamber

#142
20140357139
2014-12-04

Power paddle

#143
20140332349
2014-11-13

Introduction or withdrawal of an elongate member to or from a free body

#144
20140271189
2014-09-18

Marine drive system and method

#145
20140205455
2014-07-24

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

#146
20140186184
2014-07-03

Watercraft propeller propulsion system having a hydraulic thrust bearing assembly

#147
20140037237
2014-02-06

Quick change bearing holder apparatus for a rotating shaft

#148
20130029544
2013-01-31

Propeller mechanism for a marine vehicle

#149
20120302114
2012-11-29

Emergency drive unit for water vessel

#150
20120093579
2012-04-19

Taper coupling structure and rotating machine

#151
20110212657
2011-09-01

Propeller unit for marine vessel propulsion device and marine vessel propulsion device including the same

#152
20110021095
2011-01-27

Contra-rotating propeller marine propulsion device

#153
20100130078
2010-05-27

Marine vessel propulsion unit

#154
20090271053
2009-10-29

Method and device for evaluating shafting alignment of ship

#155
20090181778
2009-07-16

Coupling for a propulsion system

#156
20090163089
2009-06-25

Propeller assembly incorporating spindle with fins and overmolded bushing

#157
20090075535
2009-03-19

Torsional Force Transmitting Apparatus

#158
20080207337
2008-08-28

Drive train coupling

#159
20080153367
2008-06-26

Internal Elastomer Damper for Vehicular Propeller Shafts

#160
20080139061
2008-06-12

Spindle with overmolded bushing

#161
20080096446
2008-04-24

Propeller for boat

#162
20080003897
2008-01-03

Marine propulsion machine having drive shaft

#163
20070053777
2007-03-08

Shock absorbing device for watercraft propeller

#164
20060223391
2006-10-05

Drive shaft supporting structure for a small boat, and personal watercraft incorporating same

#165
20060211315
2006-09-21

Bravo drive propeller shaft bearing carrier

#166
20060211314
2006-09-21

Bravo drive propeller shaft

#167
20060205293
2006-09-14

Coupling joint structure of small-sized boat

#168
20060165531
2006-07-27

Propeller shaft and a propeller adapted thereto

#169
20060081093
2006-04-20

Outboard motor propeller immobilizer tool

#170
20050186861
2005-08-25

Exterior shear shoulder assembly for outboard motors and outdrives

#171
20050084382
2005-04-21

Pulling marine propeller

#172
20050084374
2005-04-21

Shock-absorbing propeller assembly

#173
20050002788
2005-01-06

Propeller shaft arrangement, propeller arrangement, adaptive arrangement and propulsion arrangement

#174
18739229
2024-09-17

Ship hydrogen hybrid propulsion system based on double-rotor motor and method thereof

#175
18526195
2025-03-04

Marine propulsion device with flexible conduit in lower unit

#176
18209229
2026-01-13

Propulsor assemblies having wear resistant snubber

#177
18198493
2024-08-06

Dual propeller assemblies and methods

#178
18190547
2026-02-24

Lower unit for a marine propulsion device

#179
17864630
2024-06-04

Two-piece hub propeller assembly for marine drives

#180
17850349
2023-09-19

Marine propellers with shearable drive assemblies

#181
17745517
2023-02-21

Systems and methods for absorbing shock with counter-rotating propeller shafts in a marine propulsion device

#182
17716055
2024-09-24

Portable pedal system for kayaks and other watercraft

#183
17682378
2025-01-28

Driveshaft assembly for a marine engine assembly

#184
17673364
2025-05-20

Electric outboard motor

#185
17348210
2024-01-09

Marine propulsion device with flexible conduit in lower unit

#186
17337991
2024-03-19

Axial flux outboard propulsion system for an electric boat

#187
17223898
2021-12-07

Compliant shaft enclosure support system to limit rotation

#188
16725433
2022-11-22

Marine engine assembly

#189
16725417
2022-11-15

Marine engine assembly

#190
16723228
2022-06-21

Systems and methods for absorbing shock with counter-rotating propeller shafts in a marine propulsion device

#191
16242469
2020-08-25

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

#192
15397513
2017-12-26

Marine surface propulsion device

#193
15380576
2018-09-18

Propeller driving assembly

#194
15368068
2017-10-24

Human driven water propulsion device

#195
15346863
2019-06-11

Outboard motors having transmissions with laterally offset input and output driveshafts

#196
14560550
2016-11-01

Stern drives having vibration isolation

#197
14169624
2015-03-17

Lubrication of a hybrid propulsion system for a watercraft