ClassID:

71633

B63H21/386 - CPC Classification

Classification description:

Use of propulsion power plant or units on vessels; Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling lubrication liquids

Recent Application in this class:
#1
20260015072
2026-01-15

MARINE DRIVE UNIT

#2
20250340284
2025-11-06

LUBRICATION MECHANISM

#3
20250206432
2025-06-26

BOAT PROPULSION DEVICE, BOAT, AND MOVABLE BODY

#4
20250100667
2025-03-27

LUBRICATION MECHANISM

#5
20250042528
2025-02-06

A MARINE VESSEL PROPULSION DEVICE

#6
20250002131
2025-01-02

OIL FILTRATION AND LUBRICATION SYSTEM FOR SEALING SYSTEM OF AZIMUTH THRUSTER

#7
20240417052
2024-12-19

SELF-ORIENTING SUCTION WITH BAFFLES FOR FLUID TRANSPORTATION

#8
20240391577
2024-11-28

MARINE MOTOR ASSEMBLY AND METHOD FOR CHANGING LUBRICANT IN A MARINE MOTOR ASSEMBLY

#9
20240343375
2024-10-17

PROPULSION SYSTEM FOR A MARINE VESSEL

#10
20240336343
2024-10-10

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

#11
20240326974
2024-10-03

OUTBOARD MOTOR OIL GUIDE MEMBER AND OUTBOARD MOTOR

#12
20240278895
2024-08-22

MARINE DRIVE UNIT WITH A COOLING OIL CIRCUIT

#13
20240158065
2024-05-16

METHOD FOR ADJUSTING LUBRICATION OPTIMIZATION OF MARINE MAIN ENGINE CYLINDER BASED ON COMPUTER VISION

#14
20240018439
2024-01-18

Lubricating oil compositions

#15
20240003496
2024-01-04

Boil-off gas reliquefaction system and method of discharging lubricant oil from boil-off gas reliquefaction system

#16
20230406472
2023-12-21

Self-orienting suction point for fluid transportation

#17
20230036549
2023-02-02

MARINE PROPULSION UNIT AND MARINE VESSEL

#18
20230002024
2023-01-05

Propulsion Unit for a Marine Vessel

#19
20220315174
2022-10-06

Watercraft

#20
20220297814
2022-09-22

Outboard engine

#21
20220251983
2022-08-11

ENGINE OIL RECEIVING STRUCTURE

#22
20220048607
2022-02-17

Cycloidal marine propulsion unit and a marine vessel equipped therewith

#23
20210148513
2021-05-20

Boil-off gas reliquefication system and method of discharging lubricant oil from boil-off gas reliquefication system

#24
20200086962
2020-03-19

Propeller drive assembly

#25
20190054991
2019-02-21

Propeller drive assembly and a screw pump for a water vessel

#26
20180178890
2018-06-28

Propulsion apparatus for ship

#27
20170313397
2017-11-02

Method and device for controlling energy-saving sailing of ship

#28
20170217554
2017-08-03

FUEL SUPPLY CONTROL SYSTEM AND CONTROL METHOD

#29
20170081008
2017-03-23

Oil collection system

#30
20160200413
2016-07-14

LUBRICATION FOR MARINE DRIVE SYSTEMS

#31
20150274271
2015-10-01

Propulsion system for vessels

#32
20150192057
2015-07-09

Marine diesel engines

#33
20150098824
2015-04-09

PROPULSION APPARATUS FOR SHIP

#34
20150030452
2015-01-29

Propulsion device for ship and ship having the same

#35
20150021120
2015-01-22

Method of and an arrangement for improving the lubrication system of a propulsion device of a marine vessel

#36
20140318898
2014-10-30

Method of arranging the lubrication of a steerable thruster of a marine vessel and a lubrication arrangement therefor

#37
20130333783
2013-12-19

HYDRAULIC BLOCK FOR A SHIP TRANSMISSION SYSTEM

#38
20120190255
2012-07-26

Water jet propulsion boat

#39
20120028520
2012-02-02

Ship drive comprising a drive unit that can be pivoted under water

#40
20110177730
2011-07-21

Propeller drive arrangement for controlling and driving a ship

#41
20110174576
2011-07-21

METHOD FOR DRAINING FLUIDS FROM A FLUID CONTAINING UNIT OF AN ENGINE, MACHINE OR DRIVE TRANSMISION, A DRAINING ADAPTER TO BE USED IN THE METHOD AN ENGINE, MACHINE OR DRIVE TRANSMISION WHICH IS ADOPTED TO BE DRAINED BY THE METHOD

#42
20110144851
2011-06-16

System, method, and computer program product for monitoring oil condition

#43
20110021095
2011-01-27

Contra-rotating propeller marine propulsion device

#44
20100190392
2010-07-29

RUDDER PROPELLER DRIVE, AND RUDDER PROPELLER DRIVING METHOD

#45
20080026648
2008-01-31

Control System For Small Watercraft

#46
18209211
2025-12-09

Gearcase assemblies for marine drives having torpedo plugs

#47
17061639
2023-01-10

Marine engine crankcase cover with integral oil cooler

#48
15692710
2018-08-07

Personal watercraft

#49
15476163
2019-07-09

Cooling apparatuses for cooling lubricant in a crankcase of a marine engine

#50
14549033
2015-05-26

Open core continuous helical fin marine drive system

#51
14169624
2015-03-17

Lubrication of a hybrid propulsion system for a watercraft

#52
14026016
2014-10-21

Marine propulsion system gear case assembly

#53
13692961
2015-11-24

Systems and methods for indicating oil level in outboard motors