ClassID:

71604

B63H21/14 - CPC Classification

Classification description:

Use of propulsion power plant or units on vessels the vessels being motor-driven relating to internal-combustion engines

Recent Application in this class:
#1
20260152270
2026-06-04

MARINE DRIVE SYSTEM COMPRISING AN INTERCEPTOR ASSEMBLY

#2
20250282460
2025-09-11

SMALL WATERCRAFT AND CONTROL METHOD OF WATERCRAFT

#3
20250230786
2025-07-17

PROPULSION DEVICE, WATERCRAFT PROPULSION UNIT, AND WATERCRAFT WITH WATERCRAFT PROPULSION UNIT

#4
20250206432
2025-06-26

BOAT PROPULSION DEVICE, BOAT, AND MOVABLE BODY

#5
20250172081
2025-05-29

MARINE VESSEL AND EXHAUST MANIFOLD FOR MARINE VESSEL

#6
20250128805
2025-04-24

A MARINE PROPULSION SYSTEM

#7
20250042526
2025-02-06

WATERCRAFT PROPULSION SYSTEM, AND WATERCRAFT

#8
20240383574
2024-11-21

VESSEL

#9
20240375758
2024-11-14

WATERCRAFT

#10
20240367762
2024-11-07

EMISSIONS CONTROL WATERCRAFT

#11
20240336343
2024-10-10

PROPULSION SYSTEM ARRANGEMENT AND METHOD HAVING FLUID CIRCUITS FOR COOLING AND LUBRICATION OF MOTOR AND CLUTCH

#12
20240326973
2024-10-03

CONTROL SYSTEM FOR WATERCRAFT AND METHOD FOR CONTROLLING WATERCRAFT

#13
20240301849
2024-09-12

Containerized alternative fuel control unit

#14
20240234769
2024-07-11

TRANSPORT EQUIPMENT

#15
20240204706
2024-06-20

VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION

#16
20240039446
2024-02-01

VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION

#17
20240035871
2024-02-01

FUEL REMAINING AMOUNT MEASURING APPARATUS, BOAT, AND MOVABLE BODY

#18
20240034444
2024-02-01

Carbon dioxide transport and sequestration marine vessel

#19
20230406465
2023-12-21

MARINE VESSEL

#20
20230391438
2023-12-07

SET OF PARTS FOR MARINE VESSEL PROPULSION ASSEMBLIES

#21
20230365243
2023-11-16

Split Cooling System for Marine Jet engine

#22
20230356813
2023-11-09

Carbon dioxide transport and sequestration marine vessel

#23
20230303231
2023-09-28

Stern drives and transom bracket assemblies for stern drives providing vibration isolation

#24
20230264799
2023-08-24

MARINE PROPULSION DEVICE WITH SIMPLIFIED WIRING OF POWER LINES

#25
20230249794
2023-08-10

SAILING RIG SYSTEM

#26
20230243322
2023-08-03

Apparatus for reducing greenhouse gas emission in vessel cooperated with exhaust gas recirculation and vessel including the same

#27
20230242232
2023-08-03

MARINE POWERTRAIN UNIT AND METHOD FOR POWERING A MARINE VESSEL

#28
20230182879
2023-06-15

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

#29
20230167858
2023-06-01

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

#30
20230075242
2023-03-09

Asymmetrically shaped flanking rudders

#31
20230070348
2023-03-09

A VESSEL

#32
20230058745
2023-02-23

Fuel injection controller for vessel engines, vessel engine, vessel propulsion apparatus, and vessel

#33
20230020778
2023-01-19

SHIP CONTROL METHOD, SHIP CONTROL PROGRAM, AND SHIP CONTROL SYSTEM, AND SHIP

#34
20230006593
2023-01-05

Variable torque motor/generator/transmission

#35
20220411033
2022-12-29

SYSTEM AND METHOD OF HYBRID MARINE PROPULSION

#36
20220411029
2022-12-29

STAXcraft

#37
20220380014
2022-12-01

Propulsion control selection and synchronization system

#38
20220302865
2022-09-22

Variable torque motor/generator/transmission

#39
20220297813
2022-09-22

Vessel operation system and vessel

#40
20220258845
2022-08-18

PROPULSION SYSTEM

#41
20220258843
2022-08-18

Ship propulsion system and ship

#42
20220243693
2022-08-04

Power supply system for watercraft

#43
20220242536
2022-08-04

Method and system for controlling propulsive power output of ship

#44
20220242535
2022-08-04

Method and system for controlling propulsive power output of ship

#45
20220194543
2022-06-23

In-davit run kits and methods for lifeboats

#46
20220185441
2022-06-16

Fuel supply system for eco-friendly ship

#47
20220144402
2022-05-12

Zero Emissions Marine Engine

#48
20220144389
2022-05-12

Small planing watercraft with imaging device

#49
20220111829
2022-04-14

METHOD AND SYSTEM FOR CONTROLLING A HYBRID ELECTRIC DRIVLINE

#50
20220081092
2022-03-17

Outboard motor and marine propulsion system

#51
20220073182
2022-03-10

Asymmetrically shaped flanking rudders

#52
20220073179
2022-03-10

Marine propulsion system and marine power supply system including a plurality of batteries

#53
20220009612
2022-01-13

PCM controlled charging system

#54
20210387709
2021-12-16

Marine hybrid system and control method for marine hybrid system

#55
20210371100
2021-12-02

LIFT AND DRIVE UNIT, AIRCRAFT, AND SUBMARINE VEHICLE

#56
20210355886
2021-11-18

Engine device

#57
20210323649
2021-10-21

Marine power supply system and method for power control in marine propulsion system

#58
20210320606
2021-10-14

Variable torque motor/generator/transmission

#59
20210291945
2021-09-23

Control system for small marine vessel

#60
20210257949
2021-08-19

Variable torque motor/generator/transmission

#61
20210253214
2021-08-19

Marine propulsion system and control method

#62
20210246825
2021-08-12

Ship drive system and retrofitting method for a ship drive system

#63
20210190256
2021-06-24

Tool for removing and installing bearings and method for changing a bearing

#64
20210188406
2021-06-24

Posture control system for hull, control method therefor, and marine vessel

#65
20210171164
2021-06-10

Emissions control watercraft

#66
20210155326
2021-05-27

Noise reduction system for outboard motors and noise reduction system for marine propulsion devices

#67
20210141396
2021-05-13

Boat and trim angle control method for boat

#68
20210139123
2021-05-13

Ship propulsion system and ship

#69
20210135458
2021-05-06

System and method for optimization of engines on a common variable frequency bus

#70
20210070413
2021-03-11

Engine control

#71
20210061432
2021-03-04

Outboard motor and marine vessel

#72
20210061428
2021-03-04

Air propeller assembly

#73
20210040884
2021-02-11

Ship drive system and retrofitting method for a ship drive system

#74
20200284213
2020-09-10

Engine device

#75
20200179763
2020-06-11

Multipurpose low emission submersible engine and aquatic craft using same

#76
20200080521
2020-03-12

Propulsion system, and method for operating a propulsion system

#77
20190322344
2019-10-24

CONTROL ASSEMBLY FOR A WATERCRAFT

#78
20190285273
2019-09-19

Ship having plurality of fuel lines

#79
20190248461
2019-08-15

Vessel power supply system

#80
20190241244
2019-08-08

Ship operation management system

#81
20190100295
2019-04-04

INTERNAL COMBUSTION ENGINE

#82
20190084363
2019-03-21

Apparatus and method of controlling amphibious vehicle

#83
20190068102
2019-02-28

Variable torque motor/generator/transmission

#84
20190039707
2019-02-07

Power system of ship

#85
20190013759
2019-01-10

Variable torque motor/generator/transmission

#86
20180327068
2018-11-15

Method for operating a ship propulsion system and ship propulsion system

#87
20180318650
2018-11-08

Multipurpose low emission submersible engine and aquatic craft using same

#88
20180281901
2018-10-04

Marine surface vessel

#89
20180252174
2018-09-06

Engine device

#90
20180222563
2018-08-09

Watercraft adjustable shaft spacing apparatus and related method of operation

#91
20180216579
2018-08-02

Ship propulsion system, and method for operating a ship propulsion system

#92
20180138850
2018-05-17

Variable torque motor/generator/transmission

#93
20180118319
2018-05-03

Engine control apparatus and vessel equipped with the engine control apparatus

#94
20180111670
2018-04-26

Engine control device and engine control method

#95
20180086427
2018-03-29

Heat exchange systems for engine-powered watercraft and methods of using same

#96
20180066596
2018-03-08

Device, program, recording medium, and method for determining device normality and abnormality involving loads

#97
20180050782
2018-02-22

Method for controlling the fuel consumption of a ship

#98
20180048254
2018-02-15

Variable torque motor/generator/transmission

#99
20180022432
2018-01-25

FUEL SUPPLY SYSTEM AND METHOD FOR SHIP ENGINE

#100
20180022431
2018-01-25

Fuel supply system and method for ship engine

#101
20180013371
2018-01-11

Hydride generation system

#102
20180009518
2018-01-11

Watercraft adjustable shaft spacing apparatus and related method of operation

#103
20180009517
2018-01-11

Watercraft adjustable shaft spacing apparatus and related method of operation

#104
20180009516
2018-01-11

Watercraft adjustable shaft spacing apparatus and related method of operation

#105
20180001984
2018-01-04

Device and method for starting internal combustion engine

#106
20170306829
2017-10-26

Fan for an air-guiding system of an outboard motor

#107
20170305518
2017-10-26

Outboard motor, comprising an internal combustion engine

#108
20170297670
2017-10-19

Marine vehicle engine

#109
20170291672
2017-10-12

Vessel power supply system

#110
20170274973
2017-09-28

Boat

#111
20170274972
2017-09-28

Jet propelled watercraft

#112
20170253310
2017-09-07

Small boat emergency stop apparatus

#113
20170217553
2017-08-03

Internal combustion engine

#114
20170203826
2017-07-20

Engine control device

#115
20170158288
2017-06-08

SEMI-RIGID INFLATABLE WATERCRAFT

#116
20170114737
2017-04-27

Exhaust gas recirculation system for an internal combustion engine

#117
20170057606
2017-03-02

Packaging aftertreatment system of engine of a marine vessel

#118
20170040920
2017-02-09

Variable torque motor/generator/transmission

#119
20170030309
2017-02-02

System for air supply to engine of a motor boat

#120
20160369720
2016-12-22

Gas engine

#121
20160288893
2016-10-06

Method for controlling a boat comprising a pivotable drive unit, and a electronic vessel control unit for steering a boat

#122
20160251069
2016-09-01

Marine propulsion unit and a valve for a marine propulsion unit

#123
20160129982
2016-05-12

Boat drive

#124
20160096609
2016-04-07

Fuel gas supply system and method of ship

#125
20160096607
2016-04-07

Inboard/outboard with portable outdrive

#126
20160039512
2016-02-11

Boat propulsion device

#127
20160039511
2016-02-11

Fuel supply device, fuel supply method and boat propulsion device

#128
20160031542
2016-02-04

Intelligent sea water cooling system

#129
20160031538
2016-02-04

Jet propelled watercraft

#130
20150369228
2015-12-24

Cryogennic liquefied gas intake/discharge valve body, reciprocating pump, and fuel gas supply device

#131
20150344117
2015-12-03

Drive cascade system for a watercraft

#132
20150300237
2015-10-22

WATER CRAFT JET PUMP HEAT EXCHANGER

#133
20150260095
2015-09-17

Engines and integral engine/ generators

#134
20150251741
2015-09-10

Autonomous power generation in submersible environments

#135
20150246715
2015-09-03

System for aiding the planing of planing boats

#136
20150184617
2015-07-02

Apparatus and method for supplying fuel to engine of ship

#137
20150118069
2015-04-30

Jet propelled watercraft

#138
20150075167
2015-03-19

ELECTRONIC SYSTEM AND METHOD OF AUTOMATING, CONTROLLING, AND OPTIMIZING THE OPERATION OF ONE OR MORE ENERGY STORAGE UNITS AND A COMBINED SERIAL AND PARALLEL HYBRID MARINE PROPULSION SYSTEM

#139
20150040856
2015-02-12

Ship, fuel gas supply apparatus, and fuel gas supply method

#140
20150018170
2015-01-15

HYBRID DRIVE FOR A WATER VEHICLE

#141
20150004854
2015-01-01

Amphibious vehicle electric drive system

#142
20140260255
2014-09-18

Ship capable of running selectively with liquefied fuel gas main drive engine and liquefied fuel gas generator engine

#143
20130327035
2013-12-12

Intake air cooling system for a marine vessel having a turbocharger

#144
20130115832
2013-05-09

Marine vessel propulsion device

#145
20120252285
2012-10-04

Ship alternatively running fuel gas main drive engine and fuel gas generator engine

#146
20120244762
2012-09-27

Floating structure with fuel tank for gas fuel

#147
20120240874
2012-09-27

Ship for supplying liquified fuel gas

#148
20120238161
2012-09-20

Floating structure with fuel tank for gas fuel

#149
20120156949
2012-06-21

System, method, and article of manufacture for cooling and filtering engine intake air

#150
20120101671
2012-04-26

Electronic system and method of automating, controlling, and optimizing the operation of one or more energy storage units and a combined serial and parallel hybrid marine propulsion system

#151
20120060516
2012-03-15

FUEL GAS SUPPLY SYSTEM AND METHOD OF AN LNG CARRIER

#152
20120055171
2012-03-08

FUEL GAS SUPPLY SYSTEM AND METHOD OF AN LNG CARRIER

#153
20100230506
2010-09-16

MACHINERY ARRANGEMENT OF A MARINE VESSEL

#154
20100198435
2010-08-05

Automated fuel economy optimization for marine vessel applications

#155
20090253318
2009-10-08

MARINE VESSEL

#156
20090209146
2009-08-20

Hybrid module for watercraft

#157
20090145591
2009-06-11

Keel cooler with fluid flow diverter

#158
20090133674
2009-05-28

FUEL GAS SUPPLY SYSTEM AND METHOD OF AN LNG CARRIER

#159
20090130929
2009-05-21

Water cooled fuel reservoir for a carburetor of a marine propulsion device

#160
20090126704
2009-05-21

Fuel gas supply system and method of an LNG carrier

#161
20090126618
2009-05-21

Air cavity vessel

#162
20090117789
2009-05-07

Engine for driving a watercraft propelled by a water jet

#163
20090111338
2009-04-30

Water jet propulsion boat

#164
20090093175
2009-04-09

Water jet propulsion boat

#165
20090042463
2009-02-12

Small planing boat

#166
20090042459
2009-02-12

Control device for marine engine

#167
20090042458
2009-02-12

Multiple-cylinder engine for planing water vehicle

#168
20090029609
2009-01-29

FRESH WATER FLUSHING SYSTEM FOR BOAT ENGINES

#169
20080276628
2008-11-13

FUEL GAS SUPPLY SYSTEM AND METHOD OF AN LNG CARRIER

#170
20080190100
2008-08-14

Reforming of GTL for marine applications

#171
20080141921
2008-06-19

Marine hulls and drives

#172
20080096445
2008-04-24

Personal watercraft

#173
20080065306
2008-03-13

Marine engine

#174
20080026648
2008-01-31

Control System For Small Watercraft

#175
20080014808
2008-01-17

Mounting structure for internal combustion engine on small planing boat

#176
20080003895
2008-01-03

Personal watercraft

#177
20070202755
2007-08-30

Outboard motor

#178
20070193535
2007-08-23

Method of Operating a Marine or Stationary Diesel Engine

#179
20070144893
2007-06-28

Well cooler

#180
20070059996
2007-03-15

Fuel trim system for multiple drive propulsion systems

#181
20060223393
2006-10-05

Exhaust device of boat

#182
20060217010
2006-09-28

Integrated engine-jet pump drive unit for marine application

#183
20060201410
2006-09-14

Marine vessel

#184
20060135009
2006-06-22

Heater and a method for delivering heat energy from a water cooled two cycle marine engine

#185
20060075987
2006-04-13

Engine room in a sealable container

#186
20060068657
2006-03-30

QuickFlush valve kit for flushing and winterizing of cooling system of inboard marine engines, power generators, air-conditioning units, and sailboat engines

#187
20060068656
2006-03-30

Internal combustion engine having an improved oil pan structure for a personal watercraft, and personal watercraft including same

#188
20060068655
2006-03-30

Internal combustion engine including improved balance shaft structure, and personal watercraft incorporating same

#189
20060000430
2006-01-05

Cooling system of engine for personal watercraft

#190
20050287886
2005-12-29

Engine output control system for water jet propulsion boat

#191
20050266744
2005-12-01

Personal watercraft engine fluid cooling system

#192
20050245145
2005-11-03

Outboard motor engine speed control system

#193
20050202735
2005-09-15

Outboard drive for boats

#194
20050176313
2005-08-11

Integrated transmission bell housing

#195
20050170717
2005-08-04

Personal watercraft

#196
20050087246
2005-04-28

Fuel valve assembly

#197
18739229
2024-09-17

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

#198
18091200
2023-08-22

System and method for alleviating ambient torsional loads affecting marine vessel propulsion

#199
17192241
2023-02-14

Modular drive apparatus

#200
17164250
2023-05-23

Marine engine assembly having an air pump

#201
17099333
2023-05-30

PCM controlled charging system

#202
17087035
2022-02-22

Method and system for automated launch control of a marine vessel

#203
17061639
2023-01-10

Marine engine crankcase cover with integral oil cooler

#204
16540876
2022-01-04

Acceleration control method for marine engine

#205
16458956
2022-04-26

Hydride generation system

#206
16212127
2020-03-03

Systems and methods for monitoring underwater impacts to marine propulsion devices

#207
15943394
2020-11-17

PCM controlled charging system

#208
15843275
2019-07-23

Method for controlling a marine internal combustion engine

#209
15588938
2018-10-16

Throttle devices for restricting airflow to marine engines

#210
15585004
2020-05-26

Dual flap active inlet cooling shroud

#211
15486727
2017-08-29

Variable torque motor/generator/transmission

#212
15484600
2018-02-27

Boat shift control device and boat shift control method

#213
15427478
2019-03-26

Stern drive arrangements having idle relief exhaust gas bypass

#214
15411511
2017-07-18

Watercraft adjustable shaft spacing apparatus and related method of operation

#215
15403950
2018-05-22

PCM controlled charging system

#216
15370170
2017-10-03

Systems and methods for setting engine speed in a marine propulsion device

#217
15357725
2018-08-28

Marine propulsion device with hydrolock and stall prevention

#218
15346863
2019-06-11

Outboard motors having transmissions with laterally offset input and output driveshafts

#219
15339199
2019-12-10

Transmission lubricant system for an outboard motor

#220
15334015
2019-08-13

Modular drive apparatus

#221
15332568
2018-05-08

Alternator configurations for outboard motors

#222
15277419
2019-02-26

Systems and methods for monitoring underwater impacts to marine propulsion devices

#223
15239516
2019-02-26

Shift system for a marine drive

#224
15189080
2019-12-03

Intercooler for a watercraft

#225
14692178
2018-02-20

Shift system for a marine drive

#226
14610377
2017-01-31

Systems and methods for setting engine speed in a marine propulsion device

#227
14169648
2016-04-26

Hybrid propulsion system for a watercraft

#228
13904878
2016-03-08

Systems and methods for redundant drive-by-wire control of marine engines