B63H21/00 - CPC Classification Index

ClassID:

71595 ⎘

B63H21/00 - CPC Classification

Classification description:

Use of propulsion power plant or units on vessels

Sub-classes:

B63H2021/003 » {the power plant using fuel cells for energy supply or accumulation, e.g. for buffering photovoltaic energy} 56
B63H2021/006 » {the vessel being driven by hot gas positive-displacement engine plants of closed-cycle type, e.g. Stirling engines} 2
B63H21/02 » the vessels being steam-driven 1
B63H21/12 » the vessel being motor-driven 43
B63H21/175 » the vessel being powered by land vehicle supported by vessel 7
B63H21/18 » the vessels being powered by nuclear energy 1
B63H21/20 » the vessels being powered by combinations of different types of propulsion units 189
B63H21/21 » Control means for engine or transmission, specially adapted for use on marine vessels 544
B63H21/22 » the propulsion power units being controlled from exterior of engine room, e.g. from navigation bridge; Arrangements of order telegraphs 169
B63H21/24 » {the vessels being small craft, e.g. racing boats} 57
B63H21/30 » Mounting of propulsion plant or unit, e.g. for anti-vibration purposes 78
B63H21/32 » Arrangements of propulsion-unit exhaust uptakes; Funnels peculiar to vessels; {Small watercraft exhaust arrangements, e.g. under-water} , 137
B63H21/36 » Covers or casing arranged to protect plant or unit from marine environment 38
B63H21/38 » 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 164

Recent Application in this class:

20260153071

SELF-POWERED COMPUTING BUOY

20250260030

PFUEL CONDUCTING DEVICE FOR CONDUCTING FUEL, FUEL CELL ASSEMBLY, AND WATERCRAFT

20250108901

FLOATING POWER GENERATION

20240116614

MODIFIED WORKBOAT AND METHOD FOR EFFICIENTLY POWERING A WORKBOAT

20240110541

SELF-POWERED COMPUTING BUOY

20220393202

FUEL CELL SHIP

20210249671

Fuel cell power system for an unmanned surface vehicle

20210129078

Carbon negative ship ballasting system

20200340428

Gas engine and ship provided with same

20200198739

Self powered computing buoy

20190085773

Engine device

20190016419

Self-powered computing buoy

20190006686

Fuel cell power system for an unmanned surface vehicle

20180342745

Fuel cell storage system

20180339759

Undersea vehicle and method for operating the same

20180339757

Undersea vehicle and method for operating a reactor

20180258868

Engine device

20170159444

Blade channel, blade cascade and turbomachine

20160059938

Smart floating platforms

20150300301

Liquefied gas treatment system for vessel

20150204486

Operating gas system for an underwater vehicle, method for operating such an operating gas system and an underwater vehicle having such an operating gas system

20150197326

Underwater vehicle provided with heat exchanger

20150182905

Method for treating impurities contained in exhaust gases of ships, ship with a scrubber, and purification unit

20140375140

Ship power-receiving structure, ship power-supplying device and ship power-supplying method

20140306645

Renewal energy power generation system

20140252847

Battery management system and switching method thereof

20140024271

MOTIVE FORCE OR POWER TAKEOFF DEVICE FOR VESSELS ACTUATED BY THE WATER FLOW GENERATED IN A COLLECTOR OR CONDUCTOR INCORPORATED INTO THE HULL

20120214363

Autonomous vehicle with fuel cell and autonomous flushing system

20100041285

Autonomous vehicle with fuel cell and autonomous flushing system

20090222155

Propulsion system

20090147619

In-sea power generation for marine seismic operations

20080214069

Boat propulsion apparatus and boat

20060000215

ENCAPSULATED RADIOMETRIC ENGINE

14692637

Liquefied gas treatment system for vessel

14585872

Planetary transmission arrangements for marine propulsion devices