ClassID:

150823

F16H55/30 - CPC Classification

Classification description:

Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms; Toothed members; Worms Chain-wheels

Sub-classes:
Recent Application in this class:
#1
20260142524
2026-05-21

ROTOR ATTACHMENTS FOR ELECTRIC MOTORS

#2
20260043458
2026-02-12

SILENT CHAIN AND CHAINRING

#3
20260043456
2026-02-12

SILENT CHAIN AND TRANSMISSION MECHANISM HAVING THE SAME

#4
20260002584
2026-01-01

SPROCKET AND TRANSMISSION MECHANISM

#5
20250277522
2025-09-04

DAMPING RING ASSEMBLY

#6
20250146566
2025-05-08

MINIMUM GRIP SPROCKET DRIVE SYSTEM

#7
20250084920
2025-03-13

BICYCLE FRONT SPROCKET

#8
20250052301
2025-02-13

POWER TRANSMISSION DEVICE

#9
20250035202
2025-01-30

Belt Actuator System

#10
20250035199
2025-01-30

A SPROCKET ASSEMBLY, AND A METHOD FOR ASSEMBLING OR REPLACING SAME

#11
20250033739
2025-01-30

REDUCTION RATIO CHANGING DEVICE

#12
20250003476
2025-01-02

SPROCKET

#13
20240408785
2024-12-12

CUTTING DEVICE AND DRIVE WHEEL

#14
20240360896
2024-10-31

Minimum grip sprocket drive system

#15
20240352982
2024-10-24

ROTATION TRANSMISSION DISC

#16
20240262458
2024-08-08

BICYCLE SPROCKET

#17
20240208608
2024-06-27

MULTIPLE SPROCKET ARRANGEMENT AND MODULAR SPROCKET ARRANGEMENT SYSTEM

#18
20240206397
2024-06-27

FEEDER DRIVESHAFT ARRANGEMENT FOR AGRICULTURAL VEHICLE

#19
20240166302
2024-05-23

Front sprocket assembly for human-powered vehicle

#20
20240117871
2024-04-11

CHAINRING

#21
20240084885
2024-03-14

Sprocket and chain drive system

#22
20240067301
2024-02-29

Bicycle rear sprocket assembly

#23
20240011549
2024-01-11

Sprocket

#24
20230407949
2023-12-21

TOOTH JUMP PROTECTION DEVICE

#25
20230366457
2023-11-16

BICYCLE CHAINRING WITH OFFSET AND FULL WIDE TEETH

#26
20230365223
2023-11-16

AUXILIARY MOTOR ARRANGEMENT AND SPROCKET MEMBER FOR A PEDAL-POWERED VEHICLE

#27
20230358299
2023-11-09

SYSTEM AND METHOD FOR A CAPTIVE SPROCKET IN AN ENGINE

#28
20230356803
2023-11-09

Sprocket with variable gear tooth valley radius

#29
20230341031
2023-10-26

Thrust chain device having a toothed sprocket with long asymmetrical teeth

#30
20230313862
2023-10-05

Mechanical system with double-sided chain

#31
20230309454
2023-10-05

SPLIT TOPSHAFT SPROCKET FOR AGRICULTURAL HEADERS

#32
20230249782
2023-08-10

Drive train and sprocket arrangement for human-powered vehicle

#33
20230242210
2023-08-03

BICYCLE CHAIN RING

#34
20230234673
2023-07-27

Cinch direct mount 2X ring system

#35
20230228319
2023-07-20

Reduced vibration, shift compensating, continuously variable transmission

#36
20230204090
2023-06-29

Sprocket

#37
20230133649
2023-05-04

DEVICE FOR ADJUSTING A SPROCKET OF A CHAIN DRIVE

#38
20230098308
2023-03-30

Bicycle chain rings

#39
20230030458
2023-02-02

Bicycle sprocket

#40
20230015350
2023-01-19

Chainring

#41
20220371687
2022-11-24

Bicycle sprocket

#42
20220348287
2022-11-03

Rear sprocket assembly and lock device

#43
20220333675
2022-10-20

SPROCKET FOR A LOG STYLE CHAIN

#44
20220268563
2022-08-25

Sprocket wear gauge

#45
20220260148
2022-08-18

Narrow—wide teeth chainring

#46
20220252143
2022-08-11

Split sprockets for use in conveyor systems

#47
20220234681
2022-07-28

Sprocket support

#48
20220228657
2022-07-21

CHAINRING FOR A BICYCLE

#49
20220186799
2022-06-16

Rotation transmission disc

#50
20220178435
2022-06-09

Alternating tooth chain ring

#51
20220177073
2022-06-09

Sprocket and chain assembly for bicycle

#52
20220135180
2022-05-05

Toothed wheel assembly for a cassette

#53
20220090671
2022-03-24

Sprocket wheel for a bicycle drive

#54
20220063760
2022-03-03

Bicycle sprocket assembly and bicycle sprocket

#55
20210309320
2021-10-07

Drive arrangement of a bicycle having a multi-sprocket arrangement

#56
20210301913
2021-09-30

Front chainring assembly

#57
20210301906
2021-09-30

Transmission system

#58
20210291932
2021-09-23

Gearshift mechanism roller

#59
20210284282
2021-09-16

Cinch direct mount 2X ring system

#60
20210277986
2021-09-09

Apparatus for securing a sprocket to a sprocket carrier

#61
20210276662
2021-09-09

Cinch direct mount 2X ring system

#62
20210262559
2021-08-26

Bicycle front sprocket

#63
20210253197
2021-08-19

Sprocket for a bicycle drive train

#64
20210245389
2021-08-12

Sprocket arrangement, saw chain, and combination of sprocket arrangement and saw chain

#65
20210231208
2021-07-29

Sprocket for agricultural vehicle

#66
20210207690
2021-07-08

System and method for a captive sprocket in an engine

#67
20210180677
2021-06-17

Drive sprocket

#68
20210148446
2021-05-20

Multi-segment sprocket for a reel drive mechanism of a header of an agricultural harvester

#69
20210131550
2021-05-06

Locking retainer ring for a shaft assembly

#70
20210131547
2021-05-06

Sub-assembly sprocket-carrying body and cogset for a bicycle rear wheel, ring nut for fixing such a sub-assembly and method for fixing a cogset to a sprocket-carrying body

#71
20210116011
2021-04-22

SPROCKET WITH VIBRATION ABSORPTION PROPERTIES

#72
20210114688
2021-04-22

BICYCLE CASSETTE WITH INCREASED TOOTH RATIO

#73
20210094654
2021-04-01

Bicycle rear sprocket assembly

#74
20210086868
2021-03-25

Bicycle rear sprocket assembly

#75
20210048360
2021-02-18

Bicycle and spider capable of measuring power

#76
20210031878
2021-02-04

Chain-rings set for a bicycle power transmission system provided with segmented chain-ring and segmentation method for obtaining it

#77
20210031876
2021-02-04

Sprocket-carrying body and sub-assembly of sprocket-carrying body and cogset for a bicycle rear wheel

#78
20210031875
2021-02-04

Sub-assembly sprocket-carrying body and cogset for a bicycle rear wheel

#79
20210031560
2021-02-04

Adapter for a sprocket-carrying body for a bicycle rear wheel

#80
20200398934
2020-12-24

Clamped chainring assembly for electric bicycle

#81
20200346713
2020-11-05

Bicycle sprocket, sprocket assembly, rear sprocket assembly, and drive train of bicycle

#82
20200339219
2020-10-29

CHAIN RING

#83
20200318724
2020-10-08

Bicycle chain rings

#84
20200309242
2020-10-01

Sprocket and drive mechanism

#85
20200300350
2020-09-24

CHAIN DRIVE MECHANISM

#86
20200300307
2020-09-24

Bicycle sprocket arrangement

#87
20200298619
2020-09-24

Sprocket support body and bicycle hub assembly

#88
20200269953
2020-08-27

Bicycle rear sprocket

#89
20200263767
2020-08-20

Bicycle gearbox having segmented sprockets

#90
20200256446
2020-08-13

Chainring

#91
20200247503
2020-08-06

Drive arrangement for a bicycle

#92
20200240506
2020-07-30

Bicycle sprocket and sprocket assembly comprising such a sprocket

#93
20200240505
2020-07-30

CO-MOLDED SPROCKET

#94
20200239106
2020-07-30

Bicycle sprocket arrangement

#95
20200239105
2020-07-30

Cogset with increasing jump

#96
20200216143
2020-07-09

Drive train and sprocket arrangement for human-powered vehicle

#97
20200200253
2020-06-25

Chainring

#98
20200172197
2020-06-04

BICYCLE SPROCKET

#99
20200166114
2020-05-28

Chainring for a bicycle

#100
20200166113
2020-05-28

SPROCKET WITH ELASTOMER CUSHION RING

#101
20200158224
2020-05-21

Sprocket wheel for a bicycle drive

#102
20200158223
2020-05-21

Sprocket and drive mechanism

#103
20200156736
2020-05-21

Narrow—wide teeth chainring

#104
20200149621
2020-05-14

Alternating tooth chain ring

#105
20200140033
2020-05-07

Bicycle sprocket arrangement

#106
20200122805
2020-04-23

Cassette for a bicycle transmission system and sprocket for a cassette for a bicycle transmission system

#107
20200115005
2020-04-16

Bicycle sprocket and bicycle sprocket assembly

#108
20200101517
2020-04-02

Rotating member and forming method thereof

#109
20200096087
2020-03-26

SPROCKET

#110
20200088286
2020-03-19

Bicycle sprocket

#111
20200087075
2020-03-19

Drive wheel for driving a feed chain for the dry feeding of livestock

#112
20200070934
2020-03-05

Bicycle sprocket assembly

#113
20200063850
2020-02-27

Chainring

#114
20200063849
2020-02-27

Sprocket

#115
20200056691
2020-02-20

Sprocket

#116
20200040979
2020-02-06

Bicycle sprocket

#117
20200011408
2020-01-09

Bicycle sprocket

#118
20200010147
2020-01-09

ASYMMETRICAL ELLIPTICAL CHAINRING FOR CLIPLESS PEDAL

#119
20200003292
2020-01-02

SPROCKET WITH VIBRATION ABSORPTION PROPERTIES

#120
20200001945
2020-01-02

ROTATION TRANSMISSION MECHANISM AND BICYCLE EQUIPPED WITH ROTATION TRANSMISSION MECHANISM

#121
20190368552
2019-12-05

Surface roughening of powder metal parts

#122
20190359286
2019-11-28

Bicycle Chainring

#123
20190359285
2019-11-28

Bicycle sprocket and bicycle drive train

#124
20190359284
2019-11-28

Bicycle multiple sprocket and bicycle sprocket

#125
20190315434
2019-10-17

Bicycle sprocket and bicycle sprocket assembly

#126
20190309825
2019-10-10

Chain power transmission mechanism and silent chain

#127
20190308499
2019-10-10

Transfer case with range and mode actuator having cam follower mechanism to overcome blocked shift events and sensor configuration permitting detection of fork positions

#128
20190301585
2019-10-03

Sprocket and drive mechanism

#129
20190300109
2019-10-03

Bicycle rear sprocket assembly

#130
20190293166
2019-09-26

Bicycle sprocket

#131
20190293165
2019-09-26

Bicycle front sprocket

#132
20190291818
2019-09-26

Drive arrangement for a bicycle

#133
20190277386
2019-09-12

Bicycle sprocket

#134
20190263473
2019-08-29

Rear wheel sprocket arrangement

#135
20190257409
2019-08-22

Greasable idler pulley and related kit and method

#136
20190248446
2019-08-15

Bicycle sprocket

#137
20190248445
2019-08-15

Rear wheel sprocket arrangement for a bicycle

#138
20190225302
2019-07-25

Bicycle rear sprocket assembly

#139
20190225301
2019-07-25

Bicycle rear sprocket assembly

#140
20190225300
2019-07-25

Gear for a bicycle transmission

#141
20190195331
2019-06-27

Single sprocket

#142
20190185108
2019-06-20

Sprocket assembly

#143
20190183041
2019-06-20

Transmission for lawn mower

#144
20190176920
2019-06-13

Sprocket guard

#145
20190162287
2019-05-30

ROTATION TRANSMISSION MECHANISM, BICYCLE PROVIDED WITH ROTATION TRANSMISSION MECHANISM, AND ELASTICALLY-DEFORMABLE BODY USED IN ROTATION TRANSMISSION MECHANISM

#146
20190136959
2019-05-09

LOCKING BEARING ASSEMBLY

#147
20190136956
2019-05-09

Sprocket and transmission mechanism

#148
20190135417
2019-05-09

Drive system for aircraft landing gear

#149
20190135357
2019-05-09

Drive sprocket for a tracked vehicle

#150
20190127022
2019-05-02

Bicycle rear sprocket assembly

#151
20190126679
2019-05-02

Bicycle hub assembly

#152
20190112004
2019-04-18

Cassette and body for mounting a cassette on a bicycle rear wheel hub

#153
20190101204
2019-04-04

Bicycle sprocket

#154
20190093749
2019-03-28

Bicycle sprocket assembly component and bicycle motion transmission system

#155
20190092425
2019-03-28

Bicycle rear sprocket assembly and bicycle drive train

#156
20190084649
2019-03-21

Bicycle sprocket

#157
20190084648
2019-03-21

Bicycle sprocket

#158
20190084647
2019-03-21

Bicycle sprocket

#159
20190084646
2019-03-21

Bicycle rear sprocket and bicycle rear sprocket assembly

#160
20190084645
2019-03-21

Bicycle rear sprocket, bicycle rear sprocket assembly, and bicycle drive train

#161
20190061874
2019-02-28

Bicycle rear sprocket assembly

#162
20190061873
2019-02-28

Bicycle rear sprocket assembly

#163
20190061871
2019-02-28

Bicycle gearing having a noncircular chainring

#164
20190048973
2019-02-14

Bicycle chain

#165
20190039686
2019-02-07

Gearbox

#166
20190031288
2019-01-31

Bicycle sprocket assembly and bicycle drive train

#167
20190031285
2019-01-31

Bicycle crank transmission apparatus

#168
20190031026
2019-01-31

Hybrid transmission with dual-drive pump

#169
20190023335
2019-01-24

Drive sprocket assembly for a tracked machine

#170
20190017586
2019-01-17

Bicycle sprocket assembly

#171
20190002090
2019-01-03

DRIVE SYSTEM FOR AIRCRAFT LANDING GEAR

#172
20180370596
2018-12-27

Multiple-sprocket arrangement for a bicycle gearing

#173
20180363753
2018-12-20

Non-prevalent order random sprocket

#174
20180363752
2018-12-20

Bicycle sprocket

#175
20180355965
2018-12-13

Sprocket for a synchronous drive belt system

#176
20180354585
2018-12-13

BICYCLE CRANKSET WITH ECCENTRIC CHAINRING AND ADJUSTABLE CRANKARM

#177
20180347680
2018-12-06

Bicycle sprocket

#178
20180346067
2018-12-06

Bicycle rear sprocket assembly

#179
20180346066
2018-12-06

Bicycle sprocket assembly

#180
20180346065
2018-12-06

Bicycle rear sprocket assembly and bicycle drive train

#181
20180335123
2018-11-22

Toothed crown for a bicycle crankset

#182
20180328479
2018-11-15

Toothed wheel for an internal combustion engine of a motor vehicle

#183
20180319458
2018-11-08

Rear wheel sprocket arrangement

#184
20180312221
2018-11-01

Cinch direct mount 2X ring system

#185
20180312220
2018-11-01

Multiple bicycle rear sprocket assembly

#186
20180304965
2018-10-25

Bicycle sprocket

#187
20180299004
2018-10-18

Bicycle rear sprocket

#188
20180297664
2018-10-18

Bicycle sprocket assembly

#189
20180290712
2018-10-11

BICYCLE SPROCKET AND BICYCLE SPROCKET ASSEMBLY

#190
20180290710
2018-10-11

Chain transmission, particularly for bicycles, with continuously variable transmission ratio

#191
20180283520
2018-10-04

Bicycle sprocket assembly

#192
20180281898
2018-10-04

Bicycle sprocket assembly

#193
20180274651
2018-09-27

CHAINRING

#194
20180265168
2018-09-20

Bicycle sprocket and bicycle sprocket assembly

#195
20180257742
2018-09-13

SPROCKET ASSEMBLY OF BICYCLE

#196
20180252294
2018-09-06

Bicycle chain

#197
20180251189
2018-09-06

Bicycle sprocket assembly and bicycle drive train

#198
20180244344
2018-08-30

Device for motion transmission on cycles

#199
20180237103
2018-08-23

Bicycle sprocket assembly

#200
20180229802
2018-08-16

Toothed wheel assembly for sprocket assembly

#201
20180229801
2018-08-16

Bicycle rear sprocket assembly

#202
20180229793
2018-08-16

Bicycle Crank Sprocket Guard

#203
20180223980
2018-08-09

Bicycle sprocket

#204
20180223979
2018-08-09

Bicycle sprocket

#205
20180209531
2018-07-26

Bicycle sprocket

#206
20180202531
2018-07-19

Bicycle sprocket

#207
20180195598
2018-07-12

Bicycle rotor

#208
20180194433
2018-07-12

Drive arrangement for a bicycle

#209
20180194431
2018-07-12

BICYCLE SPROCKET, SPROCKET ASSEMBLY, REAR SPROCKET ASSEMBLY, AND DRIVE TRAIN OF BICYCLE

#210
20180187766
2018-07-05

Method for manufacturing a single chainring

#211
20180186429
2018-07-05

Rear derailleur

#212
20180180159
2018-06-28

MODIFIED VEHICLE-USED CRANKSET COMPOSITE STRUCTURE

#213
20180180158
2018-06-28

VEHICLE-USED CRANKSET COMPOSITE STRUCTURE

#214
20180180157
2018-06-28

Bicycle sprocket and bicycle sprocket assembly

#215
20180180156
2018-06-28

Sprocket

#216
20180178880
2018-06-28

Bicycle sprocket

#217
20180170479
2018-06-21

Bicycle sprocket and bicycle sprocket assembly

#218
20180141615
2018-05-24

Bicycle sprocket

#219
20180134340
2018-05-17

Bicycle front sprocket, bicycle crank assembly, and bicycle drive train

#220
20180127057
2018-05-10

Bicycle crank assembly and bicycle sprocket assembly

#221
20180112764
2018-04-26

Bicycle sprocket and bicycle crank assembly

#222
20180105228
2018-04-19

Pin for a crown of a bicycle crankset

#223
20180099725
2018-04-12

Bicycle rear sprocket assembly

#224
20180080530
2018-03-22

Continuously variable transmission

#225
20180079467
2018-03-22

Bicycle front sprocket assembly

#226
20180073622
2018-03-15

Clad chainring

#227
20180073621
2018-03-15

Bicycle sprocket assembly

#228
20180073620
2018-03-15

Bicycle sprocket

#229
20180066731
2018-03-08

Chain drive mechanism

#230
20180022415
2018-01-25

Bicycle sprocket supporting member and bicycle sprocket assembly

#231
20180017110
2018-01-18

Safety device for curtain controller

#232
20180010679
2018-01-11

Laminated sprocket assembly

#233
20180009505
2018-01-11

Bicycle rear sprocket assembly and bicycle rear sprocket

#234
20170370461
2017-12-28

Bicycle sprocket wheel unit and mounting unit for cooperating with sprocket wheels

#235
20170370460
2017-12-28

Bicycle sprocket and bicycle sprocket assembly

#236
20170369124
2017-12-28

Bicycle rear sprocket assembly

#237
20170343096
2017-11-30

Rotatable assembly including a coupling interface

#238
20170343047
2017-11-30

Connecting device for chainring of bicycle

#239
20170321793
2017-11-09

Surface-reinforced carbon fiber toothed structure

#240
20170314665
2017-11-02

Torsionally compliant sprocket with locking mechanism

#241
20170305498
2017-10-26

Chainring

#242
20170305497
2017-10-26

Transmission device

#243
20170292598
2017-10-12

Bicycle front sprocket

#244
20170284528
2017-10-05

Bicycle component, bicycle sprocket, and bicycle composite sprocket

#245
20170283005
2017-10-05

Bicycle front derailleur

#246
20170276229
2017-09-28

Chainring

#247
20170276228
2017-09-28

Bicycle chain rings

#248
20170276226
2017-09-28

Slide component, bicycle component, bicycle rear sprocket, bicycle front sprocket, bicycle chain, and method of manufacturing slide component

#249
20170272725
2017-09-21

Device for creating and enhancing three-dimensional image effects

#250
20170259194
2017-09-14

DRIVE SHAFT WITH DIRECT-MOUNTED SPROCKETS FOR FILTRATION APPARATUS

#251
20170251603
2017-09-07

Multi-part sprocket assembly and shaft

#252
20170247193
2017-08-31

BELT CONVEYOR WITH LONG-TOOTH SPROCKETS OR DRUMS

#253
20170247081
2017-08-31

Bicycle sprocket and bicycle sprocket assembly

#254
20170234418
2017-08-17

Alternating tooth chain ring

#255
20170217539
2017-08-03

Drive arrangement for a bicycle and tool

#256
20170197676
2017-07-13

Sprocket for a crawler undercarriage, crawler undercarriage having such a sprocket, and crane having such a crawler undercarriage

#257
20170191558
2017-07-06

DRIVETRAIN SYSTEM AND USE THEREOF

#258
20170183060
2017-06-29

Drive arrangement of a bicycle having a multi-sprocket arrangement

#259
20170167590
2017-06-15

Chainring

#260
20170167542
2017-06-15

Bicycle crank assembly

#261
20170159792
2017-06-08

Chainrings and crank assemblies

#262
20170146109
2017-05-25

Sprocket wheel for a bicycle drive

#263
20170101159
2017-04-13

BICYCLE SPROCKET AND BICYCLE SPROCKET ASSEMBLY

#264
20170074383
2017-03-16

Sprocket with offset mud relief

#265
20170073043
2017-03-16

Multiple-sprocket arrangement for a bicycle gearing

#266
20170067551
2017-03-09

Silent sprocket/gear for transmission chains, in particular for motorcycles, and mold components for its production

#267
20170067537
2017-03-09

Low-noise chain

#268
20170066500
2017-03-09

Bicycle sprocket and multiple bicycle sprocket assembly

#269
20170057598
2017-03-02

Bicycle cassette with locking connection

#270
20170050725
2017-02-23

Drive system for aircraft landing gear

#271
20170050724
2017-02-23

Drive system for aircraft landing gear

#272
20170043840
2017-02-16

Multi-sprocket arrangement for a bicycle

#273
20170030453
2017-02-02

Roller chain sprocket with resilient cushion rings having improved durability and noise characteristics

#274
20170030452
2017-02-02

Driving force transmission system for engine

#275
20170016524
2017-01-19

Bicycle sprocket wheel

#276
20170002896
2017-01-05

ROLLER-BASED DRIVE SYSTEMS

#277
20160362159
2016-12-15

Rear wheel sprocket arrangement for a bicycle

#278
20160347410
2016-12-01

Bicycle rear sprocket assembly

#279
20160347409
2016-12-01

Bicycle sprocket and bicycle crank assembly

#280
20160312874
2016-10-27

Split sprocket having a snap clamp

#281
20160280326
2016-09-29

Rear wheel sprocket arrangement

#282
20160280325
2016-09-29

Bicycle sprocket and bicycle crank assembly

#283
20160258523
2016-09-08

Sprocket assembly with adapter

#284
20160257376
2016-09-08

Sprocket wheel for a bicycle drive

#285
20160238122
2016-08-18

Chainrings and crank assemblies

#286
20160236749
2016-08-18

Toothed sprocket with elastic centering element

#287
20160229486
2016-08-11

Bicycle sprocket assembly and bicycle rear sprocket assembly

#288
20160215868
2016-07-28

Clad chainring

#289
20160215866
2016-07-28

SPROCKET

#290
20160207590
2016-07-21

Bicycle sprocket

#291
20160165798
2016-06-16

SPROCKET ASSEMBLY

#292
20160159417
2016-06-09

Sprocket for a track-type machine

#293
20160153541
2016-06-02

RADIALLY, AXIALLY, AND TORSIONALLY COMPLIANT SPROCKET

#294
20160152415
2016-06-02

Chain drive for link chains of mining conveyors or mining extraction machines

#295
20160138698
2016-05-19

Laminated sprocket assembly

#296
20160123452
2016-05-05

Vehicle transfer case assembly with one-piece torque-transfer component having sprocket portion and output flange portion

#297
20160121966
2016-05-05

Chainring

#298
20160114859
2016-04-28

Bicycle cogset

#299
20160083045
2016-03-24

Chain wheel assembly and chain wheel device using it

#300
20160069445
2016-03-10

Demountable coupling system and apparatus