ClassID:

70403

B63B2001/387 - CPC Classification

Classification description:

Hydrodynamic or hydrostatic features of hulls or of hydrofoils; Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes using means for producing a film of air or air bubbles over at least a significant portion of the hull surface

Recent Application in this class:
#1
20260116501
2026-04-30

SYSTEM AND METHOD FOR REDUCING DRAG ON THE HULL OF A VESSEL

#2
20260015064
2026-01-15

SYSTEM AND METHOD FOR REDUCING DRAG ON THE HULL OF A VESSEL

#3
20250334479
2025-10-30

BOUNDARY LAYER TESTING SYSTEM WITH ENHANCED ENTRY REGION FOR ANGULATED SURFACES

#4
20250229868
2025-07-17

SHIP

#5
20250206414
2025-06-26

AERODYNAMICALLY ENHANCED AIR LUBRICATION NOZZLE AND FLAP

#6
20250171111
2025-05-29

SYSTEM FOR CARGO TRANSPORT

#7
20250153811
2025-05-15

METHODS FOR CARGO TRANSPORT

#8
20250153810
2025-05-15

SYSTEMS AND METHODS FOR CARGO TRANSPORT

#9
20250074547
2025-03-06

SYSTEM AND METHOD FOR ENHANCED MARINE VESSEL EFFICIENCY USING INTEGRATED HULL OPTIMIZATIONS

#10
20250050975
2025-02-13

System and method for reducing drag on the hull of a vessel

#11
20240425143
2024-12-26

Systems and methods for cargo transport

#12
20240343360
2024-10-17

SYSTEM, PROCESS, AND METHOD FOR STUDYING FULL-SCALE, MULTIPHASE, HYDRODYNAMIC FLOW REPRESENTATIVE OF A SHIP’S BOUNDARY LAYER

#13
20240208611
2024-06-27

SYSTEM AND METHOD FOR REDUCING DRAG ON A MARINE VESSEL

#14
20240166306
2024-05-23

System and method for delivering air to a submerged ship surface

#15
20240166305
2024-05-23

System and method for reducing drag on hulls of marine crafts thereby increasing fluid dynamic efficiencies

#16
20240140560
2024-05-02

PRESSURE STABILIZING CAVUM STRUCTURE APPLICABLE TO AIR-LAYER DRAG REDUCTION SHIP

#17
20240018980
2024-01-18

DEVICE AND METHOD FOR GAS MAINTENANCE IN MICROFEATURES ON A SUBMERGED SURFACE

#18
20230382497
2023-11-30

SHIP RESISTANCE REDUCTION APPARATUS USING AIR

#19
20230365229
2023-11-16

AN AIR SUPPLY SYSTEM FOR A HULL OF A VESSEL AND A VESSEL COMPRISING THE AIR SUPPLY SYSTEM

#20
20230339574
2023-10-26

STEAM ASSISTED AIR SUPPLY SYSTEM FOR A HULL OF A VESSEL AND A VESSEL COMPRISING THE AIR SUPPLY SYSTEM

#21
20230331349
2023-10-19

Air supply system for a hull of a vessel and a vessel comprising the air supply system

#22
20230331347
2023-10-19

METHOD FOR OPERATING FRICTION RESISTANCE REDUCED SHIP

#23
20230150623
2023-05-18

GAS-CONTAINING SURFACE COVER, ARRANGEMENT, AND USE

#24
20230147120
2023-05-11

BELT AND METHOD FOR REDUCING THE DRAG OF A HULL OF A FLOATING VESSEL

#25
20230143335
2023-05-11

Air supply apparatus for a ship, ship including the same, and method for supplying air to an air lubrication device

#26
20230131080
2023-04-27

Fluid Entrapment Via Perforated Surfaces For Drag Reduction

#27
20230034377
2023-02-02

Transverse hydro-laminar flow system

#28
20220242525
2022-08-04

Low-cost viscous-drag-reducing cladding

#29
20220234687
2022-07-28

Air release unit with diverging side walls

#30
20220219787
2022-07-14

METHODS, SYSTEMS, AND APPARATUSES TO FACILITATE PROVIDING AND SUSTAINING A LAMINAR FLOW OF A FLUID ACROSS A VESSEL

#31
20220017182
2022-01-20

SHIP HULL AIR MICROBUBBLE LUBRICATION SYSTEM

#32
20210339828
2021-11-04

Marine surface vessel comprising an air ventilated hull

#33
20210331769
2021-10-28

Hull surface air lubrication structure for marine vehicles

#34
20210309321
2021-10-07

Air layer and hydrophobic drag reduction and preferential guidance and recovery of gas with engineered surfaces

#35
20200216424
2020-07-09

Gas-containing surface cover, arrangement, and use

#36
20190322335
2019-10-24

Cavitator system for suppressing cavity buoyancy effect and method thereof

#37
20190225304
2019-07-25

DUAL CAVITY AIR LUBRICATION SYSTEM

#38
20190193814
2019-06-27

Air lubrication system with a wave deflector for a vessel

#39
20190176934
2019-06-13

Marine vessel hull with a longitudinally vented transverse step

#40
20180362118
2018-12-20

GRID STRUCTURES FOR STABLE GAS RETENTION UNDER LIQUIDS

#41
20180354587
2018-12-13

Frictional resistance-reducing device and ship including same

#42
20180320717
2018-11-08

DEVICE AND METHOD FOR GAS MAINTENANCE IN MICROFEATURES ON A SUBMERGED SURFACE

#43
20180229808
2018-08-16

Systems, methods, and apparatuses for reducing hydrodynamic frictional drag

#44
20180186431
2018-07-05

Frictional resistance-reducing device and ship including same

#45
20180141626
2018-05-24

AIR LUBRICATION SYSTEM FOR REDUCING MARINE GROWTH ON A VESSEL

#46
20170203822
2017-07-20

Gas-containing surface cover, arrangement, and use

#47
20170029073
2017-02-02

High efficiency compressor and distribution system

#48
20170015394
2017-01-19

Use of an air lubrication system for reducing marine growth on a vessel

#49
20170015388
2017-01-19

Air lubrication system and vessel comprising such a system

#50
20170015387
2017-01-19

Air lubrication system and vessel comprising such a system

#51
20160368567
2016-12-22

Flat-bottomed vessel and a method for controlling the length of at least one air cavity

#52
20160251060
2016-09-01

High efficiency compressor and distribution system

#53
20160244127
2016-08-25

Marine vessel hull with a longitudinally vented transverse step

#54
20160185423
2016-06-30

Device for reducing frictional resistance, ship comprising the device, and method of reducing frictional resistance of ship

#55
20160075406
2016-03-17

Air lubrication system

#56
20150298767
2015-10-22

Air lubrication system

#57
20150273791
2015-10-01

Gas-containing surface cover, arrangement, and use

#58
20150259038
2015-09-17

Thruster assembly in a marine vessel

#59
20150210356
2015-07-30

Fleet protection attack craft and underwater vehicles

#60
20150068441
2015-03-12

High speed surface craft and submersible vehicle

#61
20140345513
2014-11-27

High speed surface craft and submersible vehicle

#62
20140331912
2014-11-13

APPARATUS USING AN ELECTRO-CATALYTIC COATING TO REDUCE SHIP'S FRICTION AND PREVENT BIOFOULING

#63
20140141664
2014-05-22

Fleet protection attack craft

#64
20130269589
2013-10-17

Reducing drag of a hull of a ship

#65
20130139746
2013-06-06

Air lubrication system of ship

#66
20130098285
2013-04-25

Air lubrication system of ship

#67
20120315811
2012-12-13

High speed surface craft and submersible vehicle

#68
20120097089
2012-04-26

Frictional resistance reducing device of ship

#69
20120097086
2012-04-26

Fleet protection attack craft and underwater vehicles

#70
20110259440
2011-10-27

Frictional resistance reduction device for ship

#71
20110239927
2011-10-06

Air bubble recovery device of ship

#72
20110226173
2011-09-22

Fleet protection attack craft

#73
20110168078
2011-07-14

Device for reducing frictional resistance of ship body

#74
20100166964
2010-07-01

METHOD FOR ATTACHING MICRO BUBBLE ARRAY ON PLATE SURFACE

#75
20100139543
2010-06-10

Forced air cavity and control system for watercraft

#76
20100139542
2010-06-10

Forced air cavity and control system for watercraft

#77
20080029014
2008-02-07

Monohull fast ship or semi-planing monohull with a drag reduction method

#78
20060099122
2006-05-11

Method and device for generating mixtures of fluids in a boundary layer

#79
18803150
2025-01-07

Ship hull air lubrication system foam release apparatus and method of use