ClassID:

150825

F16H2055/306 - 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 with means providing resilience or vibration damping in chain sprocket wheels

Recent Application in this class:
#1
20250277522
2025-09-04

DAMPING RING ASSEMBLY

#2
20240262458
2024-08-08

BICYCLE SPROCKET

#3
20240166302
2024-05-23

Front sprocket assembly for human-powered vehicle

#4
20240084885
2024-03-14

Sprocket and chain drive system

#5
20240011549
2024-01-11

Sprocket

#6
20230358299
2023-11-09

SYSTEM AND METHOD FOR A CAPTIVE SPROCKET IN AN ENGINE

#7
20230228319
2023-07-20

Reduced vibration, shift compensating, continuously variable transmission

#8
20220371687
2022-11-24

Bicycle sprocket

#9
20210245389
2021-08-12

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

#10
20210207690
2021-07-08

System and method for a captive sprocket in an engine

#11
20210131550
2021-05-06

Locking retainer ring for a shaft assembly

#12
20210116011
2021-04-22

SPROCKET WITH VIBRATION ABSORPTION PROPERTIES

#13
20200300350
2020-09-24

CHAIN DRIVE MECHANISM

#14
20200166113
2020-05-28

SPROCKET WITH ELASTOMER CUSHION RING

#15
20200158225
2020-05-21

Floating Drive System and its Floating Drive Disc and Floating Flywheel

#16
20200088287
2020-03-19

Chain wheel

#17
20200087075
2020-03-19

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

#18
20200063849
2020-02-27

Sprocket

#19
20200003292
2020-01-02

SPROCKET WITH VIBRATION ABSORPTION PROPERTIES

#20
20190301585
2019-10-03

Sprocket and drive mechanism

#21
20190162287
2019-05-30

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

#22
20190136956
2019-05-09

Sprocket and transmission mechanism

#23
20190128119
2019-05-02

Anti-rotation assembly

#24
20180363753
2018-12-20

Non-prevalent order random sprocket

#25
20180328479
2018-11-15

Toothed wheel for an internal combustion engine of a motor vehicle

#26
20180209531
2018-07-26

Bicycle sprocket

#27
20180195598
2018-07-12

Bicycle rotor

#28
20180180156
2018-06-28

Sprocket

#29
20180058566
2018-03-01

Compression ring for chain sprocket

#30
20170356312
2017-12-14

Cushion ring assembly for a sprocket driven by a chain

#31
20170343096
2017-11-30

Rotatable assembly including a coupling interface

#32
20170314665
2017-11-02

Torsionally compliant sprocket with locking mechanism

#33
20170159792
2017-06-08

Chainrings and crank assemblies

#34
20170067551
2017-03-09

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

#35
20170030453
2017-02-02

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

#36
20170030452
2017-02-02

Driving force transmission system for engine

#37
20160339995
2016-11-24

Interchangeable bicycle sprocket

#38
20160238122
2016-08-18

Chainrings and crank assemblies

#39
20160236749
2016-08-18

Toothed sprocket with elastic centering element

#40
20160153541
2016-06-02

RADIALLY, AXIALLY, AND TORSIONALLY COMPLIANT SPROCKET

#41
20160010730
2016-01-14

Sprocket flange

#42
20160003340
2016-01-07

Noise, vibration, and harmonics reducing sprocket technology

#43
20150240932
2015-08-27

Sprocket and chain transmission mechanism

#44
20150158700
2015-06-11

Chain drive unit

#45
20150094179
2015-04-02

Bicycle sprocket

#46
20140200106
2014-07-17

Inverted tooth chain and sprocket drive system with reduced meshing impact

#47
20130059689
2013-03-07

Cushioning structure for a sprocket

#48
20120317812
2012-12-20

Randomized chain sprocket and method for making a sprocket

#49
20120208662
2012-08-16

Multi-gear cassette and damping device

#50
20120135830
2012-05-31

Torsion cushioning sprocket

#51
20120011698
2012-01-19

Method of producing a composite body

#52
20110312458
2011-12-22

Inverted tooth chain sprocket with frequency modulated meshing

#53
20110306452
2011-12-15

Chain transmission mechanism

#54
20110300977
2011-12-08

SPROCKET

#55
20110183799
2011-07-28

Inverted tooth chain and sprocket drive system with reduced meshing impact

#56
20110132116
2011-06-09

Sprocket with damper and compensator

#57
20110079098
2011-04-07

Torque-handling gear with teeth mounted on flexible arms

#58
20110021299
2011-01-27

Inverted tooth chain and sprocket drive system with reduced meshing impact

#59
20100304907
2010-12-02

Torsional Compensator

#60
20100292038
2010-11-18

Multiple tension reducing sprockets in a chain and sprocket system

#61
20100273589
2010-10-28

Sound-damping unit for a sprocket, and sprocket

#62
20100227720
2010-09-09

SPROCKET RANDOMIZATION FOR ENHANCED NVH CONTROL

#63
20100203992
2010-08-12

Randomized chain sprocket and method for making a sprocket

#64
20100167857
2010-07-01

RESONANCE TENSION REDUCING SPROCKET WITH COMBINED RADIAL VARIATION AND SPROCKET WRAP

#65
20100151978
2010-06-17

Tension-reducing random sprocket

#66
20100137085
2010-06-03

Timing chain drive system

#67
20100031764
2010-02-11

Composite Body

#68
20090286640
2009-11-19

SPROCKET FOR CHAIN

#69
20090286639
2009-11-19

Sprocket for chain

#70
20090209380
2009-08-20

SPROCKET FOR CHAIN

#71
20090170648
2009-07-02

Timing chain drive unit

#72
20090143179
2009-06-04

Low-noise chain actuation

#73
20090118047
2009-05-07

Random elastomer cushion rings for a chain sprocket

#74
20090093329
2009-04-09

CHAIN NOISE REDUCTION DEVICE

#75
20080293531
2008-11-27

Chain noise damping device

#76
20080223160
2008-09-18

Feed screw mechanism

#77
20080176688
2008-07-24

Chain transmission device

#78
20080171624
2008-07-17

Chain transmission device

#79
20080161144
2008-07-03

Chain transmission device

#80
20070293361
2007-12-20

Multiple-cushion ring sprocket assembly

#81
20070111833
2007-05-17

Roller chain sprocket having an improved tooth form and metal cushion rings

#82
20070093329
2007-04-26

Motion transmission system with sprocket supported by elastic anti-jerk elements

#83
20070087880
2007-04-19

Sprocket tooth profile for a roller or bush chain

#84
20070087878
2007-04-19

Standard sprocket for chain

#85
20070021249
2007-01-25

Cushioning mechanism for a sprocket of all terrain vehicles

#86
20060252592
2006-11-09

Roller chain sprocket with resilient cushion rings and root relief

#87
20060240925
2006-10-26

Tension-reducing random sprocket

#88
20060160648
2006-07-20

Randomized chain system

#89
20060073927
2006-04-06

Elastomer cushion ring for a random tooth roller chain sprocket

#90
20060073926
2006-04-06

Non-circular rotary disk for a timing control drive

#91
20060058141
2006-03-16

Inverted tooth chain sprocket with frequency modulated meshing

#92
20050209033
2005-09-22

Spline phased multiple sprocket

#93
20050170925
2005-08-04

Cushion ring sprocket assembly and method

#94
20050075206
2005-04-07

Cantilever tooth sprocket

#95
20050057097
2005-03-17

Silent and reduced vibration chainwheel

#96
15336843
2018-01-30

Spring loaded sprocket carrier