ClassID:

25256

A63B31/11 - CPC Classification

Classification description:

Swimming aids; Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the hands or feet attachable only to the feet

Sub-classes:
Recent Application in this class:
#1
20260131202
2026-05-14

AMPHIBIOUS EXOSKELETON PROPULSION FOOTWEAR

#2
20250352859
2025-11-20

LONGITUDINALLY FOLDING SWIM FIN

#3
20250288871
2025-09-18

WALKABLE SWIM FLIPPER

#4
20250135290
2025-05-01

SWIM FLIPPER

#5
20250099817
2025-03-27

Hydrofoils and Methods

#6
20240408452
2024-12-12

Collapsible swimming fins system for unidirectional thrust

#7
20240390737
2024-11-28

UNDERWATER PROPULSION DEVICE

#8
20240335703
2024-10-10

SWIMMING DEVICE FOR FISH-LIKE MOTION

#9
20240278074
2024-08-22

AMPHIBIOUS EXOSKELETON PROPULSION FOOTWEAR

#10
20240245958
2024-07-25

PIVOTABLE SWIM FIN DEVICE

#11
20240207686
2024-06-27

Hydrofoils and methods

#12
20240165465
2024-05-23

Closed-toe swim fin

#13
20230201669
2023-06-29

Underwater propulsion device

#14
20230191201
2023-06-22

A NEW FIN AND FIN BLADE

#15
20230116171
2023-04-13

FUNCTIONAL SHOES

#16
20230061854
2023-03-02

ARM EXTENSIONS FOR QUADRUPEDAL MOVEMENT AND METHODS OF USE

#17
20230046721
2023-02-16

Hydrofoils and method

#18
20230010581
2023-01-12

Amphibious exoskeleton propulsion footwear

#19
20220339507
2022-10-27

Device for connecting a shoe to an interchangeable blade of a fin

#20
20220241651
2022-08-04

SWIMMING ASSISTANCE APPRATUS

#21
20220203173
2022-06-30

Diving Flipper

#22
20220184459
2022-06-16

Swimming and scuba diving fin with an adjustable elastic heel strap

#23
20220134187
2022-05-05

UNDERWATER PROPULSION DEVICE REMOVABLY FIXED TO A FLIPPER

#24
20220126172
2022-04-28

Swim fin

#25
20220054895
2022-02-24

Underwater propulsion device

#26
20220054894
2022-02-24

Monofin swimming device

#27
20220015936
2022-01-20

Water Shoe With Brace

#28
20210379448
2021-12-09

SELF-RESCUE SWIM FIN BELT

#29
20210346763
2021-11-11

Self-rescue swim fin belt

#30
20210316187
2021-10-14

FLIPPERS WORN WITH SHOES

#31
20210086033
2021-03-25

STRUCTURAL IMPROVEMENT OF LONG BOARD OF SWIM FIN

#32
20210052945
2021-02-25

Swim fin

#33
20210046359
2021-02-18

Hydrofoils and method

#34
20210023419
2021-01-28

COUPLEABLE FIN APPARATUSES AND BOOT TOE BODIES

#35
20210001183
2021-01-07

Modular fin with common rail system

#36
20200398114
2020-12-24

Configurable footwear for water sports

#37
20200391082
2020-12-17

Modular and adjustable swin fin

#38
20200376344
2020-12-03

Swimming assistance apparatus

#39
20200368584
2020-11-26

Variable aquatic training aid

#40
20200297074
2020-09-24

Non-slip shoes with webfoot

#41
20200282265
2020-09-10

Monofin

#42
20200246663
2020-08-06

Open-heel shoe swim fin

#43
20200238137
2020-07-30

Underwater propulsion device

#44
20200179762
2020-06-11

Multi-purpose water footwear

#45
20200121991
2020-04-23

Aquatic shoes provided with a float for walking in water

#46
20200121990
2020-04-23

Mono-fin with flexible boot structures

#47
20200108295
2020-04-09

Hydrodynamic human-powered propulsion mechanism

#48
20200070006
2020-03-05

Apparatus and method for controlling fluid propulsion

#49
20190366160
2019-12-05

Heel element for swim fins

#50
20190366159
2019-12-05

FIN WITH SECONDARY BLADE SET

#51
20190336829
2019-11-07

DETACHABLY COUPLED SWIM FINS

#52
20190321685
2019-10-24

Apparatus for wearing fins

#53
20190275375
2019-09-12

FLOWING FIN SYSTEM AND TAIL ASSEMBLY

#54
20190201745
2019-07-04

Hydrofoils and method

#55
20190192916
2019-06-27

SWIMMING ASSISTANCE APPARATUS

#56
20190151718
2019-05-23

Swimming flipper

#57
20190143177
2019-05-16

Swim Shoe

#58
20190106190
2019-04-11

Personal watercraft for amplifying manual rowing or paddling with propulsion

#59
20190059505
2019-02-28

Water Footwear With Deployable Fin

#60
20190001190
2019-01-03

Underwater propulsion device

#61
20180345083
2018-12-06

Swim fin adapted for walking

#62
20180326261
2018-11-15

Flowing fin system and tail assembly

#63
20180280764
2018-10-04

Swim training apparatus for bilateral undulation power development

#64
20180256941
2018-09-13

Underwater propulsion device

#65
20180169477
2018-06-21

Heel protective adjustable shoelace

#66
20180133555
2018-05-17

Coupleable fin apparatuses and boot toe bodies

#67
20180099187
2018-04-12

Fin for swimming and underwater activities

#68
20180043214
2018-02-15

MONO-FIN WITH FLEXIBLE BOOT STRUCTURES

#69
20180015330
2018-01-18

Flippers, boots, systems including same, and methods of using same

#70
20170368414
2017-12-28

Swim or a scuba diving fin

#71
20170304683
2017-10-26

SWIM FIN

#72
20170225039
2017-08-10

Swim footwear

#73
20170189759
2017-07-06

Monofin, tail and method

#74
20170151465
2017-06-01

MONOFIN, TAIL AND METHOD

#75
20170144027
2017-05-25

Monofin swimming apparatus

#76
20170144026
2017-05-25

SWIM FIN

#77
20170120110
2017-05-04

Swim fin

#78
20170113098
2017-04-27

Semi-rigid foot pocket with non-invasive flipper attachment system

#79
20170100639
2017-04-13

Swim fin

#80
20170095698
2017-04-06

Apparatus for wearing fins

#81
20170056729
2017-03-02

Flipper device and methods for using same

#82
20160367860
2016-12-22

Swimming aid device

#83
20160346619
2016-12-01

Finned Water Shoe Assembly

#84
20160287941
2016-10-06

Swim fin

#85
20160243405
2016-08-25

Flipper device and methods for using same

#86
20160213982
2016-07-28

Lower leg and boot swimming fin system

#87
20160213981
2016-07-28

Heel strap for swimming flippers

#88
20160206925
2016-07-21

Swim fin assembly

#89
20160121171
2016-05-05

Swimming assistance apparatus

#90
20160120270
2016-05-05

Dual-security buckle device

#91
20160051860
2016-02-25

Monofin, tail and method

#92
20160030810
2016-02-04

Swimming device with retractable fins

#93
20160023053
2016-01-28

FOLDING SWIM FIN

#94
20150367177
2015-12-24

Inflatable swim fin apparatus

#95
20150360085
2015-12-17

Composite dive fin assembly

#96
20150343268
2015-12-03

Monofin swimming apparatus

#97
20150335955
2015-11-26

FLIPPER

#98
20150258385
2015-09-17

SWIM FIN ASSEMBLY

#99
20150251729
2015-09-10

Foot-propelled catamaran watercraft

#100
20150231449
2015-08-20

Boot sole system and fin for same

#101
20150209620
2015-07-30

Heel strap for open foot swimming fins

#102
20150196808
2015-07-16

Swimming fin

#103
20150151163
2015-06-04

FRICTION-ATTACHED AQUATIC ACCESSORY

#104
20150133010
2015-05-14

Collapsible scuba fin with cam lock feature and adjustable blades

#105
20140256198
2014-09-11

Composite dive fin assembly

#106
20140206247
2014-07-24

Flippers, boots, systems including same, and methods of using same

#107
20140199902
2014-07-17

Swim Devices

#108
20130316604
2013-11-28

Swim fin

#109
20130205551
2013-08-15

Combined diving utensil

#110
20130183877
2013-07-18

Friction-attached aquatic accessory

#111
20130090028
2013-04-11

Swim fin attachment

#112
20130059492
2013-03-07

Flippers, boots, systems including same, and methods of using same

#113
20130023168
2013-01-24

Fin

#114
20130005202
2013-01-03

Fin for Swimming, Diving and the Like

#115
20120289105
2012-11-15

Reverse thrust swimming flipper

#116
20120115377
2012-05-10

High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters

#117
20120102692
2012-05-03

TIGHTENING STRAP OF A DIVING FLIPPER

#118
20120071047
2012-03-22

Heel Strap for Swimming Flippers of the Open-Shoe Type

#119
20120064785
2012-03-15

Swim fin

#120
20110312231
2011-12-22

Swim Fin Boot

#121
20110117801
2011-05-19

Flipper equipped with an asymmetrical flexing wing section

#122
20110111655
2011-05-12

Two fin swimming apparatus

#123
20110081813
2011-04-07

Recreational Swimming Ensemble

#124
20110065343
2011-03-17

Detachable swim fin

#125
20110030179
2011-02-10

Buckling device

#126
20110014830
2011-01-20

Swimming shoe

#127
20100317246
2010-12-16

ADJUSTABLE FIN

#128
20100279562
2010-11-04

Hybrid water sport apparatus

#129
20100273371
2010-10-28

Swim fin

#130
20100203779
2010-08-12

Amphibious shoe and method of use

#131
20100120304
2010-05-13

Swim fin device

#132
20100099312
2010-04-22

SWIM FIN

#133
20100075554
2010-03-25

SWIM FINS

#134
20100029153
2010-02-04

Swim or diving fin

#135
20100029152
2010-02-04

Hybrid water sport footwear

#136
20100015865
2010-01-21

Swimming fin of the kind provided with a foot pocket open at the heel zone

#137
20100003874
2010-01-07

Flipper

#138
20090325434
2009-12-31

Swim fin

#139
20090305587
2009-12-10

Swimming fin with heel strap fastening buckle

#140
20090176421
2009-07-09

Shoe and a flipper set-up

#141
20090170388
2009-07-02

Amphibious shoe and method of use

#142
20090149093
2009-06-11

Swim shoe with lateral fins

#143
20090137166
2009-05-28

Multi-use adjustable bellows-shaped aperture strap

#144
20090088036
2009-04-02

Swimming flipper

#145
20090053947
2009-02-26

Swimming aid device

#146
20080263838
2008-10-30

Strap structure

#147
20080263833
2008-10-30

Strap structure

#148
20080108259
2008-05-08

Relief jet aperture swim fins with living-hinge blade

#149
20080108258
2008-05-08

Methods for creating large scale focused blade deflections

#150
20080045095
2008-02-21

Methods for creating consistent large scale blade deflections

#151
20080032574
2008-02-07

Method for creating consistent large scale blade deflections

#152
20070238374
2007-10-11

Aquatic gear

#153
20070173143
2007-07-26

High efficiency hydrofoil and swim fin designs

#154
20070173142
2007-07-26

Methods for creating consistent large scale blade deflections

#155
20070167095
2007-07-19

Swim fin with adjustable web

#156
20070167094
2007-07-19

Swim fin with adjustable web

#157
20070077832
2007-04-05

Swimming fin with heel strap fastening buckle

#158
20070077831
2007-04-05

Fins

#159
20070072497
2007-03-29

Swim training fin

#160
20070066160
2007-03-22

Device and method for dissuading predators through startle response instinct

#161
20070049140
2007-03-01

High deflection hydrofoils and swim fins

#162
20070037459
2007-02-15

High deflection hydrofoils and swim fins

#163
20070032148
2007-02-08

Dual adjustable strap designs for swim fins

#164
20070032147
2007-02-08

Methods for creating large scale focused blade deflections

#165
20070004295
2007-01-04

Swimming and diving flippers for distrubution of force

#166
20060258238
2006-11-16

Ergonomical flippers for swimming or diving

#167
20060234570
2006-10-19

Swim fin with detachable blade

#168
20060214324
2006-09-28

Method of manufacturing a fin and mechine for performing the method

#169
20060135010
2006-06-22

Device and method for dissuading predators through startle response instinct

#170
20060089066
2006-04-27

Swimming aid

#171
20060068659
2006-03-30

Bungee flipper

#172
20060025027
2006-02-02

Swim fin

#173
20050277345
2005-12-15

Shoes for diving flippers and moulding device suitable for producing them

#174
20050245148
2005-11-03

Swim fins

#175
20050221698
2005-10-06

Swimming flipper with blade and footwear structure

#176
20050215137
2005-09-29

Swim fins and method of manufacture thereof

#177
20050186866
2005-08-25

Dual adjustable strap designs for swim fins

#178
20050181689
2005-08-18

Methods for creating consistent large scale blade deflections

#179
20050176318
2005-08-11

High deflection hydrofoils and swim fins

#180
20050176316
2005-08-11

Multiple-serial-hydrofoil swim fins

#181
20050153607
2005-07-14

Amphibious shoe

#182
20050118904
2005-06-02

Swim and dive fin

#183
20050079777
2005-04-14

Flipper

#184
20050026519
2005-02-03

Diving fins

#185
20050003719
2005-01-06

Methods for creating large scale focused blade deflections

#186
17234389
2021-12-21

Inline deflecting swim fin

#187
16377546
2020-08-18

Swim fin with an upper portion having debossed regions and triple-bladed rails

#188
16375972
2020-08-11

Retractable finned footwear used for swimming and walking

#189
16297344
2021-10-12

Water shoe with brace

#190
16191882
2020-02-25

Flipper screw

#191
16125696
2020-01-07

Swim fin

#192
15892076
2019-03-26

Chemiluminescent swim fins

#193
15796314
2018-08-28

Swimming equipment improvement

#194
15694257
2019-03-12

Swim fin

#195
15638243
2018-06-12

Aquatic body cover for use with a monofin

#196
15609004
2018-09-11

Swim fin

#197
15098302
2017-09-19

Swim fin

#198
14688796
2016-09-06

Swimming aid device

#199
14639931
2019-11-19

Walkable water shoe with incorporated swim fin appendage

#200
14580346
2015-12-01

Swim fin with shark-like movement

#201
14571745
2016-06-28

Swim fin

#202
14286735
2015-10-20

Monofin, tail and method

#203
14081683
2015-05-26

Shoe with integrated fin apparatus

#204
13932769
2015-02-24

Swimming device for increased underwater resistance

#205
13871161
2015-01-06

High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters