ClassID:

70397

B63B1/34 - 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

Sub-classes:
Recent Application in this class:
#1
20230131080
2023-04-27

Fluid Entrapment Via Perforated Surfaces For Drag Reduction

#2
20220411046
2022-12-29

VORTEX CONTROL ON ENGINE NACELLE STRAKE AND OTHER VORTEX GENERATORS

#3
20220371725
2022-11-24

Maritime vehicle with surface array of transducers controlling drag

#4
20220315166
2022-10-06

Fluid resistance reduction apparatus for ship

#5
20220242525
2022-08-04

Low-cost viscous-drag-reducing cladding

#6
20210387719
2021-12-16

Vehicle with surface array of transducers controlling drag

#7
20210371060
2021-12-02

Wind-water machine set

#8
20210231142
2021-07-29

Submerged periodic riblets

#9
20210146291
2021-05-20

FILTRATION APPARATUS AND METHOD

#10
20200318679
2020-10-08

Element comprising a non-stick surface and method for three-dimensional printing such an element

#11
20200317295
2020-10-08

Viscous-drag-reducing cladding

#12
20200122808
2020-04-23

Coating for long term flow control around marine objects

#13
20200056113
2020-02-20

HYDROPHOBIC XEROGEL FILM AND METHOD OF USE THEREOF FOR REDUCING DRAG

#14
20200031429
2020-01-30

High-speed hull for a nautical vehicle

#15
20190389539
2019-12-26

STRUCTURE FOR REDUCING THE DRAG OF A SHIP AND ITS APPLICATION

#16
20190351974
2019-11-21

STRUCTURE FOR REDUCING THE DRAG OF A SHIP AND ITS APPLICATION

#17
20190322335
2019-10-24

Cavitator system for suppressing cavity buoyancy effect and method thereof

#18
20190100282
2019-04-04

ARTICLE IN MOTION COMPRISING HYDROPHOBICALLY-COATED REGION

#19
20180298762
2018-10-18

Reduced drag system for windmills, fans, propellers, airfoils, and hydrofoils

#20
20180297669
2018-10-18

Articulating moored profiler system

#21
20180237107
2018-08-23

Maritime transport system for oil and derivatives thereof

#22
20180222561
2018-08-09

Modular propulsion unit nozzle

#23
20180148132
2018-05-31

STRUCTURE FOR REDUCING THE DRAG OF A SHIP AND ITS APPLICATION

#24
20170225746
2017-08-10

Article with controllable wettability

#25
20170197687
2017-07-13

Vessel comprising an aft foil oriented to provide a forwardly directed component of lift force

#26
20170066504
2017-03-09

Polymer drag reduction systems on vehicle surfaces

#27
20160368566
2016-12-22

Movement device capable of generating greater propelling force

#28
20160312035
2016-10-27

Actuatable microstructures and methods of making the same

#29
20160194076
2016-07-07

LAYER FOR REDUCING FLUID RESISTANCE

#30
20160032074
2016-02-04

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

#31
20150344106
2015-12-03

Vessel with a flow deflecting hydrodynamic bow fin arrangement

#32
20150239534
2015-08-27

Method for actively damping a ship's motion as well as such an active roll stabilisation system

#33
20140345513
2014-11-27

High speed surface craft and submersible vehicle

#34
20140318433
2014-10-30

Waterborne antifouling coating composition

#35
20140255205
2014-09-11

Drag reduction systems having fractal geometry/geometrics

#36
20140199901
2014-07-17

Inflatable floatable liferaft for marine rescue

#37
20140141664
2014-05-22

Fleet protection attack craft

#38
20130312857
2013-11-28

Systems for modifying a fluid flow of a vehicle

#39
20120272891
2012-11-01

Apparatus to reduce skin friction drag on a marine vessel

#40
20120227243
2012-09-13

Method of manufacturing closed-cell surfaces with advanced drag-reduction properties

#41
20120034830
2012-02-09

Techniques to discharge static electricity in water sliders

#42
20110284113
2011-11-24

Drag modification system

#43
20110226173
2011-09-22

Fleet protection attack craft

#44
20110070421
2011-03-24

NON-WETTABLE SURFACES

#45
20100276006
2010-11-04

Ultrasonic drag modulation

#46
20100219296
2010-09-02

REDUCED DRAG SYSTEM FOR WINDMILLS, FANS, PROPELLERS, AIRFOILS, AND HYDROFOILS

#47
20100144222
2010-06-10

Flow control mechanism for ship having cooling system

#48
20100104748
2010-04-29

Method of using closed cell surfaces with enhanced drag-reduction properties

#49
20090211510
2009-08-27

VESSEL HULL

#50
20090126618
2009-05-21

Air cavity vessel

#51
20090052989
2009-02-26

Covering element for protecting structures against scouring and drag force

#52
20080245520
2008-10-09

System for changing the convective heat transfer coefficient for a surface

#53
20080236473
2008-10-02

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

#54
20080210151
2008-09-04

Aquatic Friction Reducer And Antifouling Paint Enhancer

#55
20080210150
2008-09-04

Ventilated aft swept flow interrupter hull

#56
20080057287
2008-03-06

Closed cell surfaces with enhanced drag-reduction properties

#57
20080029014
2008-02-07

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

#58
20070266922
2007-11-22

Vessel Hull

#59
20070261627
2007-11-15

Boat hull

#60
20070158502
2007-07-12

Ultrasonic communication and drag modification

#61
20060251859
2006-11-09

Friction drag-reducing surface

#62
20060219151
2006-10-05

Method and apparatus for welding a fluoropolymer seam

#63
20060099122
2006-05-11

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

#64
20060096580
2006-05-11

Traction control system

#65
20050257776
2005-11-24

Active drag and thrust modulation system and methods

#66
20050087120
2005-04-28

Vessel hull

#67
16209307
2019-12-10

Tunnel vent venturi for water craft

#68
15935807
2019-01-08

Tunnel vent venturi for water craft

#69
15133933
2017-06-13

Pontoon structure for supporting a boat body

#70
14735542
2016-06-14

Wiggle hull design having a concave and convex planing hull

#71
14701512
2016-03-01

Method and apparatus for wake enlargement system

#72
14544478
2016-07-12

Boat hull

#73
14083430
2016-12-27

Method and apparatus for low drag watercraft