ClassID:

70399

B63B1/36 - 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 mechanical means

Recent Application in this class:
#1
20250361892
2025-11-27

REDUCED SKIN-FRICTION DRAG SURFACE TEXTURES AND MATERIALS, DESIGNS, METHODS AND SYSTEMS

#2
20240343360
2024-10-17

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

#3
20240246637
2024-07-25

CAVITATION LOAD-REDUCTION DEVICE FOR UNDERWATER VEHICLE HAVING ADJUSTABLE WATER ENTRY ANGLE

#4
20230219655
2023-07-13

Floating structure for transport formed by a train arrangement of rotary bodies of revolution which reduces the drag of same during sailing

#5
20230127247
2023-04-27

PROW AND/OR STERN ARRANGEMENT FOR REDUCING THE DRAG OF A WATERCRAFT DURING SAILING

#6
20220371725
2022-11-24

Maritime vehicle with surface array of transducers controlling drag

#7
20220363343
2022-11-17

Process for establishing uniform liquid films on polar and non-polar substrates

#8
20210388858
2021-12-16

Method, system and apparatus for reducing fluid drag

#9
20210276665
2021-09-09

Apparatus with a controllable surface for underwater boundary flow

#10
20210078696
2021-03-18

IRREGULAR SURFACE TEXTURE FOR REDUCING FLOW DRAG

#11
20200255162
2020-08-13

Watercraft and aircraft bladder and tie down securing apparatuses and methods

#12
20200255095
2020-08-13

Watercraft and aircraft bladder and tie down securing apparatuses and methods

#13
20200248731
2020-08-06

Cylindrical element profiled to reduce vortex induced vibration (VIV) and/or drag

#14
20200122808
2020-04-23

Coating for long term flow control around marine objects

#15
20180312223
2018-11-01

Cover device and thruster

#16
20170218986
2017-08-03

Profiled Element for Generating a Force

#17
20160325818
2016-11-10

Aerodynamic microstructures having sub-microstructures

#18
20160032074
2016-02-04

Solidifiable composition for preparaton of liquid-infused slippery surfaces and methods of applying

#19
20160017902
2016-01-21

Fibrillar structures to reduce viscous drag on aerodynamic and hydrodynamic wall surfaces

#20
20150210371
2015-07-30

Aquatic apparatus for wave propulsion

#21
20150053289
2015-02-26

Structural component with a riblet surface

#22
20140087608
2014-03-27

Prop shaft holder for outboard motor

#23
20130298819
2013-11-14

Cavitation device of underwater moving body and underwater moving body having the same

#24
20120325326
2012-12-27

Method of Reducing Resistance of Streamlined Body of A Vehicle and Its Applications

#25
20120098295
2012-04-26

Energy-saving vehicle

#26
20110239928
2011-10-06

BOAT THE PLANING BOTTOM OF WHICH IS FITTED WITH SETS OF ROLLERS FOR CONVERSION OF FRICTION INTO DYNAMIC THRUST

#27
20100227111
2010-09-09

Antifouling fibre coatings for marine constructions

#28
20100226943
2010-09-09

Surface topographies for non-toxic bioadhesion control

#29
20100126404
2010-05-27

Surface topographies for non-toxic bioadhesion control

#30
20100108813
2010-05-06

Micro-array surface for passive drag modification

#31
20100007172
2010-01-14

Energy-saving vehicle

#32
20090130925
2009-05-21

Marine propulsor with inlet fluid inducer

#33
20080315012
2008-12-25

Method and System for Regulating Internal Fluid Flow Within an Enclosed or Semi-enclosed Environment

#34
20080217485
2008-09-11

Smart vortex generator, and aircraft, vessel, and rotary machine being equipped with the same

#35
20080161985
2008-07-03

Adjusting of the fuel consumption of a water vessel

#36
20070227428
2007-10-04

Surface topographies for non-toxic bioadhesion control

#37
20060243183
2006-11-02

Sailing craft with wheels

#38
20060223387
2006-10-05

Propulsor with inlet fluid inducer

#39
20060219143
2006-10-05

Surface topography for non-toxic bioadhesion control

#40
20060134379
2006-06-22

Method for reducing kinetic friction

#41
20060086298
2006-04-27

Innovative hull-less naval vessel

#42
20060057913
2006-03-16

Surf board and adhesive film for surf board

#43
20050178286
2005-08-18

Dynamically modifiable polymer coatings and devices

#44
20050163963
2005-07-28

Method and apparatus for reducing drag and noise for a vehicle

#45
20050115485
2005-06-02

System for improving the manoeuvrability of a boat''s hull and for reducing its friction with water

#46
20050106017
2005-05-19

Method and system for regulating fluid over an airfoil or a hydrofoil

#47
20050106016
2005-05-19

Method and system for regulating fluid flow over an airfoil or a hydrofoil

#48
20050098685
2005-05-12

Method and system for regulating pressure and optimizing fluid flow about a fuselage similar body

#49
20050039661
2005-02-24

Method and apparatus for controlling friction between a fluid and a body

#50
14083430
2016-12-27

Method and apparatus for low drag watercraft