ClassID:

71355

B63G8/24 - CPC Classification

Classification description:

Underwater vessels, e.g. submarines; Equipment specially adapted therefor; Control of attitude or depth Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies

Recent Application in this class:
#1
20250376866
2025-12-11

Cleaning Device

#2
20250369413
2025-12-04

SYSTEM FOR GENERATING ELECTRICITY FROM AN UNDERWATER OCEAN STREAM

#3
20250346332
2025-11-13

Variable Ballast System for Small Submersibles

#4
20250249992
2025-08-07

SYSTEM AND METHOD FOR USING AUTONOMOUS UNDERWATER VEHICLES OPERATED FROM SURFACE PLATFORMS FOR OCEAN BOTTOM SEISMIC NODES

#5
20250244476
2025-07-31

SUBMERSIBLE DEVICE FOR UNDERWATER SONAR IMAGERY

#6
20250128800
2025-04-24

SUBMERSIBLE GLIDER WITH RING WING

#7
20250066001
2025-02-27

AUTONOMOUS ASCENT OF AN UNDERWATER VEHICLE

#8
20240417049
2024-12-19

BIOMIMETIC TURTLE DEVICE

#9
20240408505
2024-12-12

UNDERWATER ROBOTIC DEVICE

#10
20240308634
2024-09-19

SHAPE MEMORY ALLOY VARIABLE BUOYANCE ENGINE

#11
20240192395
2024-06-13

AUTONOMOUS DATA ACQUISITION SYSTEM AND METHOD

#12
20240124108
2024-04-18

MOVEMENT DEVICE FOR PROGRESSIVE MOVEMENT ON THE SURFACE OF A BODY AROUND WHICH A FLUID PASSES

#13
20240076022
2024-03-07

WATERWAY SENSOR

#14
20240034448
2024-02-01

Thrust reversal emergency jettison device for underwater vehicle

#15
20240034447
2024-02-01

PROCESSES AND METHODS FOR BINARY OPPOSING BUOYANCY FOR LARGE UNDERWATER LIFT APPLICATIONS

#16
20240025525
2024-01-25

High-capacity lightweight variable buoyancy system

#17
20230365242
2023-11-16

Driving method of lifting device of underwater survey system

#18
20230271686
2023-08-31

METHOD AND APPARATUS FOR A DYNAMIC BUOYANCY SYSTEM FOR DEEP-SEA MINING

#19
20230146152
2023-05-11

SYSTEMS, DEVICES, AND METHODS FOR UNDERWATER VEHICLES

#20
20230103110
2023-03-30

Underwater robot based on variable-size auxiliary drive and control method thereof

#21
20220334282
2022-10-20

Autonomous data acquisition system and method

#22
20220289351
2022-09-15

Buoyancy adjustment device

#23
20220111943
2022-04-14

Covert data delivery system for sub-surface oceanographic moorings

#24
20210276679
2021-09-09

Passive ballast device, system and methods of using same

#25
20210214916
2021-07-15

Seabed resource lifting apparatus

#26
20210214062
2021-07-15

Dynamic buoyancy control

#27
20210173110
2021-06-10

Autonomous data acquisition system and method

#28
20210088687
2021-03-25

Autonomous data acquisition system and method

#29
20210001965
2021-01-07

Tactical maneuvering ocean thermal energy conversion buoy for ocean activity surveillance

#30
20200189705
2020-06-18

Underwater body having a variable volume and method for operating such an underwater body

#31
20200115016
2020-04-16

Winged autonomous underwater vehicle (AUV)

#32
20190283848
2019-09-19

Method and system for launching and recovering underwater vehicles with an autonomous base

#33
20190235074
2019-08-01

Self-positioning system and self-positioning identification method of deepwater underwater robot of irregular dam surface of reservoir

#34
20190031309
2019-01-31

Releasable forward section of an underwater vehicle

#35
20180237108
2018-08-23

Self-balancing pressure hull device

#36
20180208284
2018-07-26

Self-draining oil buoyancy regulating device for underwater robots

#37
20180157251
2018-06-07

Submersible inspection device and redundant wireless communication with a base station

#38
20180029678
2018-02-01

Modular flotation system

#39
20170369130
2017-12-28

Device of use in transporting and/or handling material in an underwater environment for carrying out work

#40
20170280693
2017-10-05

Methods and systems for maintaining a constant depth

#41
20170129572
2017-05-11

Support buoy

#42
20160229502
2016-08-11

Fluid-based buoyancy compensation

#43
20160107736
2016-04-21

SYSTEMS AND METHODS FOR REMOTE BUOYANCY CONTROL

#44
20160068244
2016-03-10

Recovery systems and methods for unmanned underwater vehicles

#45
20150128842
2015-05-14

Variable buoyancy profiling float

#46
20150090175
2015-04-02

System for attitude control of underwater vehicle and method for attitude control of underwater vehicle

#47
20140241122
2014-08-28

ACTIVATION ELECTRONICS AND METHOD FOR SEISMIC EQUIPMENT RECOVERY DEVICE

#48
20140060418
2014-03-06

Methods and apparatus for mitigating vortex rings affecting submersible vehicles

#49
20130327263
2013-12-12

Buoyancy control system

#50
20130228117
2013-09-05

Fluid-based buoyancy compensation

#51
20130206049
2013-08-15

Underwater load-carrier

#52
20130125806
2013-05-23

Long-range UUVs

#53
20120318188
2012-12-20

Autonomous Underwater Vehicle

#54
20120289103
2012-11-15

Unmanned Underwater Vehicle

#55
20120204775
2012-08-16

Float device

#56
20120138486
2012-06-07

DEVICE FOR UNDERWATER HYDROCARBON STORAGE, AND CORRESPONDING CAPTURE AND STORAGE INSTALLATION

#57
20120118218
2012-05-17

Multiplex-thruster systems for delivering thrusting flow

#58
20110297071
2011-12-08

Underwater Vehicle Bouyancy System

#59
20110232558
2011-09-29

SUBMERSIBLE VEHICLE WITH SWEPT HULL

#60
20110226175
2011-09-22

Submersible vehicle with swept hull

#61
20100294192
2010-11-25

BUOYANCY SYSTEM FOR AN UNDERWATER DEVICE AND ASSOCIATED METHODS FOR OPERATING THE SAME

#62
20090265051
2009-10-22

Electronic pet and pet interaction system thereof

#63
20090211511
2009-08-27

Multiplex-thruster systems for delivering thrusting flow

#64
20080264323
2008-10-30

Submersible vehicle

#65
20080121165
2008-05-29

Unmanned underwater vessel

#66
20080053359
2008-03-06

Diving device

#67
20080035044
2008-02-14

MANNED SUBMERSIBLE VEHICLE

#68
20070022937
2007-02-01

Motion compensation system for under water sonar systems

#69
18959498
2025-05-27

Multi-modal robot system capable of realizing autonomous submarine docking and reconstruction

#70
18958052
2025-05-20

Controllable sinking and floating swimming pool robot and sinking and floating control method for swimming pool robot

#71
18958035
2025-05-20

Controllable sinking and floating swimming pool robot and sinking and floating control method for swimming pool robot

#72
18822334
2025-02-11

Controllable sinking and floating swimming pool robot and sinking and floating control method for swimming pool robot

#73
18324171
2023-11-07

Method and system for hierarchical disturbance rejection depth tracking control of underactuated underwater vehicle

#74
17731253
2023-08-15

Configurable spherical autonomous underwater vehicles

#75
17731250
2023-08-29

Magnetically configurable spherical autonomous underwater vehicles

#76
17648315
2023-02-21

Differential ambient pressure powered hydraulically driven generator battery

#77
17300071
2022-12-13

System and apparatus for attaching and transporting an autonomous vehicle

#78
16974049
2022-11-29

Field configurable spherical underwater vehicle

#79
16974048
2023-03-21

Buoyancy control module for field configurable autonomous vehicle

#80
16974046
2023-01-03

Method and apparatus for positioning the center of mass on an unmanned underwater vehicle

#81
16521011
2020-11-03

Automatic vehicle depth regulation system

#82
16162191
2020-05-05

Passive ballast device, system and methods of using same

#83
15619908
2018-10-30

Releasable forward section of an underwater vehicle

#84
14079352
2014-11-04

Variable bouyancy profiling float