ClassID:

70432

B63B3/38 - CPC Classification

Classification description:

Hulls characterised by their structure or component parts; Hull parts Keels

Sub-classes:
Recent Application in this class:
#1
20260138707
2026-05-21

MODULAR KEEL

#2
20250276761
2025-09-04

MICRO-KEEL COOLER FOR MARITIME VEHICLE

#3
20250256811
2025-08-14

WATER JET PROPULSION BOAT AND BOAT

#4
20240262463
2024-08-08

High-Performance Watercraft

#5
20240083547
2024-03-14

SHIP

#6
20240067305
2024-02-29

CATAMARAN BOAT HULLS AND METHODS OF MAKING AND USING THE SAME

#7
20230070348
2023-03-09

A VESSEL

#8
20230002018
2023-01-05

FLOATING PLATFORM FOR SUPPORTING GENERATORS OF POWER DERIVED FROM THE WIND AND/OR WAVES AND/OR OCEAN CURRENTS

#9
20220315177
2022-10-06

Maritime apparatus

#10
20220169339
2022-06-02

Multihull watercraft

#11
20210362819
2021-11-25

WATERCRAFT WITH ELECTRIC DRIVE SYSTEM

#12
20210339827
2021-11-04

Stabilized hull of a monohull motor boat, which surfs on a water cushion and has a deeply submerged supporting blade

#13
20210316826
2021-10-14

Underwater ship attachment used to divert air, bubbles, debris, ice, and pressure fluctuations

#14
20210316817
2021-10-14

HYBRID CHINE BOAT HULL AND METHODS OF MANUFACTURE AND USE

#15
20210291933
2021-09-23

ENVIRONMENTALLY FRIENDLY BOAT HAVING A SAFETY-ENHANCING HULL STRUCTURE

#16
20210221471
2021-07-22

Ballast water-free vessel using difference in depth of bottom shell plate between bow/stern and midship section and construction method thereof

#17
20210171166
2021-06-10

Floating maritime vessel comprising a detachable measuring keel

#18
20210078675
2021-03-18

HULL FOR A WATER CRAFT

#19
20200262517
2020-08-20

Stabilized hull for a keeled monohull sailboat or sail and motor boat

#20
20200255112
2020-08-13

Cooling system for electric propulsion system of watercraft

#21
20200079473
2020-03-12

Boat with a foam material filled keel structure

#22
20200073003
2020-03-05

Marine Seismic Surveying with Towed Components Below Water's Surface

#23
20200031429
2020-01-30

High-speed hull for a nautical vehicle

#24
20190389540
2019-12-26

MARINE SEISMIC SURVEYING IN ICY OR OBSTRUCTED WATERS

#25
20190300124
2019-10-03

Unmanned marine sailing vessel

#26
20190016415
2019-01-17

Adjustable ballast bulb for a sailing vessel

#27
20190002065
2019-01-03

Sailing Yacht

#28
20180172863
2018-06-21

Calibration of streamer navigation equipment

#29
20180148132
2018-05-31

STRUCTURE FOR REDUCING THE DRAG OF A SHIP AND ITS APPLICATION

#30
20180022419
2018-01-25

ENGINE ROOM ARRANGEMENT FOR A MARINE VESSEL

#31
20170363761
2017-12-21

Marine seismic surveying with towed components below water's surface

#32
20170305512
2017-10-26

Apparatus and method for powering a vessel with wind

#33
20170305501
2017-10-26

Strake Structure and Method for Building Bonded Lapstrake Boats

#34
20170152003
2017-06-01

Hull for low drag boats

#35
20170029075
2017-02-02

High stability low drag boat hull keel having inverted foil configuration

#36
20160375971
2016-12-29

Multihull watercraft

#37
20160194055
2016-07-07

High stability low drag boat hull

#38
20150367913
2015-12-24

Propulsion system for a vessel

#39
20150314831
2015-11-05

Air chamber hull

#40
20150298776
2015-10-22

Leash retaining fin

#41
20150298768
2015-10-22

Hull with opening in the floor for a boat drive

#42
20150282476
2015-10-08

DECOY KEEL FOR AUTOMATIC MOTION

#43
20150210358
2015-07-30

Modular Boat Hull Molds and Method of Making Boat Hulls Using Same

#44
20150191224
2015-07-09

HULL OF A TUGBOAT AND TUGBOAT COMPRISING SAID IMPROVED HULL

#45
20150144045
2015-05-28

Boat having buoyancy unit

#46
20150101420
2015-04-16

Marine seismic surveying with towed components below water's surface

#47
20150064996
2015-03-05

Buoyant structure for petroleum drilling, production, storage and offloading

#48
20140373769
2014-12-25

WATERCRAFT HULL

#49
20140338584
2014-11-20

Dual keel kayak

#50
20140338579
2014-11-20

Ellipsoidal V-hull

#51
20140283725
2014-09-25

Internally actuated autonomous sailing buoy

#52
20140137783
2014-05-22

Jet boat including articulating keel

#53
20140104985
2014-04-17

Marine seismic surveying in icy or obstructed waters

#54
20140102349
2014-04-17

Keel pad, boat hull with a keel pad and retrofit kit

#55
20140102347
2014-04-17

Marine seismic surveying in icy or obstructed waters

#56
20140026795
2014-01-30

Retractable keel apparatus

#57
20130104792
2013-05-02

Rescue boat

#58
20120132124
2012-05-31

SPAR Based Maritime Access Vehicle

#59
20120103240
2012-05-03

Waterborne craft and fin incorporating air conduits for drag reduction

#60
20120073489
2012-03-29

Modular boat hull molds and method of making boat hulls using same

#61
20110303139
2011-12-15

External inflatable keel for portable inflatable boats

#62
20110265705
2011-11-03

WATERCRAFT HULL

#63
20110114007
2011-05-19

Hybrid Kayak

#64
20110036284
2011-02-17

Inflatable floor for inflatable boat

#65
20100303634
2010-12-02

Fluid dynamic body having escapelet openings for reducing induced and interference drag, and energizing stagnant flow

#66
20100229778
2010-09-16

Detachable inflatable rubber boat

#67
20100226204
2010-09-09

Marine seismic surveying in icy or obstructed waters

#68
20100162938
2010-07-01

Rescue Boat

#69
20090283024
2009-11-19

Battery Keel System and Method

#70
20090047847
2009-02-19

Marine vessel propulsion drive module

#71
20080200081
2008-08-21

Vessel propulsion

#72
20080105187
2008-05-08

Waterborne vessel with loop keel

#73
20080070455
2008-03-20

Boat hull structure

#74
20070187066
2007-08-16

Keel cooler with fluid flow diverter

#75
20060201652
2006-09-14

Heat exchanger with beveled header

#76
20060027156
2006-02-09

Flexible keel and fiting therefor

#77
20050215132
2005-09-29

Line design and propulsion system for a directionally stable, seagoing boat with rudder propeller drive system

#78
20050205237
2005-09-22

Keel cooler with fluid flow diverter

#79
20050199173
2005-09-15

Stabilizer device

#80
20050172878
2005-08-11

Double flexible keel

#81
20050166820
2005-08-04

High maneuverability towcraft

#82
19016768
2025-09-30

Modular keel

#83
18130312
2023-10-24

Catamaran boat hulls and methods of making and using the same

#84
17964001
2026-03-10

Bow thruster module and related methods

#85
17893576
2023-04-04

Catamaran boat hulls and methods of making and using the same

#86
17565193
2025-01-21

Ventilated boat keel

#87
16793207
2022-10-25

Serrated keel

#88
16007292
2020-02-11

Watercraft

#89
15971229
2018-12-25

Watercraft hull with angled keels

#90
15477720
2019-02-12

Boat with reconfigurable running surface for wake adjustment

#91
15421714
2018-07-17

Canoe outrigger with built-in storage capacity

#92
15357132
2018-05-22

Modification of traditional propeller shaft tunnel on a vessel hull

#93
15256479
2018-02-13

Curve and tilt passive cambering keel and steering fin mastless wingsail

#94
15051559
2018-04-17

Shape shifting foils

#95
14951603
2016-11-08

Aerodynamically buoyant vehicle

#96
14926085
2016-08-16

Floating driller

#97
14212215
2018-05-15

Boat with reconfigurable running surface for wake adjustment

#98
14109515
2016-01-19

Bilge keel with porous leading edge