Non-circular chain rings or sprockets

Patents Grantslast 30 patents

  • Information Patent Grant

    Drive train and sprocket arrangement for human-powered vehicle

    • Patent number 11,999,440
    • Issue date Jun 4, 2024
    • Shimano Inc.
    • Satoshi Shahana
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump-action ride-along vehicle

    • Patent number 11,827,309
    • Issue date Nov 28, 2023
    • Columbia-Inland Corporation
    • Micheal D. Jones
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle chainring and a bicycle comprising the bicycle chainring

    • Patent number 11,718,368
    • Issue date Aug 8, 2023
    • Marcin Golec
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Drive train and sprocket arrangement for human-powered vehicle

    • Patent number 11,661,138
    • Issue date May 30, 2023
    • Shimano Inc.
    • Satoshi Shahana
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Chainring

    • Patent number 11,110,991
    • Issue date Sep 7, 2021
    • SRAM, LLC
    • Markus Reiter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Transmission structure for bicycle

    • Patent number 10,882,586
    • Issue date Jan 5, 2021
    • Liyuan Luo
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Pump-action ride-along vehicle

    • Patent number 10,843,768
    • Issue date Nov 24, 2020
    • Micheal D. Jones
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Gear for a bicycle transmission

    • Patent number 10,689,064
    • Issue date Jun 23, 2020
    • Move Bikes GmbH
    • Tobias Sprote
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle crank assembly

    • Patent number 10,676,152
    • Issue date Jun 9, 2020
    • Rotor Componentes Tecnologicos, S.L.
    • Pablo Carrasco Vergara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Pump-action ride-along vehicle

    • Patent number 10,479,439
    • Issue date Nov 19, 2019
    • Micheal D. Jones
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle crankset

    • Patent number 10,160,514
    • Issue date Dec 25, 2018
    • Drivetrain Tech Solution Inc.
    • Po-Cheng Chen
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle crankset with eccentric chainring

    • Patent number 10,053,185
    • Issue date Aug 21, 2018
    • Drivetrain Tech Solution Inc.
    • Po-Cheng Chen
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Chainring

    • Patent number 9,862,456
    • Issue date Jan 9, 2018
    • SRAM, LLC
    • Markus Reiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Chainring

    • Patent number 9,731,791
    • Issue date Aug 15, 2017
    • SRAM, LLC
    • Markus Reiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Chainring

    • Patent number 9,731,790
    • Issue date Aug 15, 2017
    • SRAM, LLC
    • Markus Reiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Chainring

    • Patent number 9,650,107
    • Issue date May 16, 2017
    • SRAM, LLC
    • Markus Reiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Chainring

    • Patent number 9,493,211
    • Issue date Nov 15, 2016
    • SRAM, LLC
    • Markus Reiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Gearing system and method of use

    • Patent number 9,447,852
    • Issue date Sep 20, 2016
    • Paul Thomas Williams
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Transmission wheel series with periodically varied speed ratio and...

    • Patent number 9,255,629
    • Issue date Feb 9, 2016
    • Tai-Her Yang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Noncircular synchronous transmission pulley set having periodically...

    • Patent number 9,243,691
    • Issue date Jan 26, 2016
    • Tai-Her Yang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Transmission wheel system series with periodically varied speed rat...

    • Patent number 9,169,903
    • Issue date Oct 27, 2015
    • Tai-Her Yang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Crank arm spider improvement for attaching ovoid chainrings

    • Patent number 9,108,699
    • Issue date Aug 18, 2015
    • Rotor Componentes Tecnologicos S.L.
    • Pablo Carrasco Vergara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Attachment of an ovoid chainring

    • Patent number 9,005,062
    • Issue date Apr 14, 2015
    • Rotor Componentes Technologicos S.L.
    • Pablo Carrasco Vergara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Treadle-drive eccentric wheel transmission wheel series with period...

    • Patent number 8,992,359
    • Issue date Mar 31, 2015
    • Tai-Her Yang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Ovoid chainrings for optimising conventional pedaling

    • Patent number 7,749,117
    • Issue date Jul 6, 2010
    • Rotor Components Technologies, S.L.
    • Pablo Carrasco Vergara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle with rhombus-like gear with circularly curved apexes

    • Patent number 5,882,025
    • Issue date Mar 16, 1999
    • David J. Runnels
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bicycle crank driven chain wheel assembly

    • Patent number 5,611,744
    • Issue date Mar 18, 1997
    • Sichuan Xinxin Mechanical Engineering Co., Ltd.
    • Naichang Shen
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Non-circular front chain wheel for crank gear

    • Patent number 5,549,314
    • Issue date Aug 27, 1996
    • Michel Sassi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Noncircular drive

    • Patent number 4,865,577
    • Issue date Sep 12, 1989
    • Trustees of Columbia University in the City of New York
    • Ferdinand Freudenstein
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Front chain gear for a bicycle

    • Patent number 4,576,587
    • Issue date Mar 18, 1986
    • Shimano Industrial Company Limited
    • Masashi Nagano
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    CATAPULT SLINGSHOT 2 STROKE DOUBLE DOUBLE REVERSED BOOMERANG SLAP A...

    • Publication number 20240253737
    • Publication date Aug 1, 2024
    • Brett Whitlock Burdick
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    DRIVE TRAIN AND SPROCKET ARRANGEMENT FOR HUMAN-POWERED VEHICLE

    • Publication number 20230249782
    • Publication date Aug 10, 2023
    • Shimano Inc.
    • Satoshi SHAHANA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    PUMP-ACTION RIDE-ALONG VEHICLE

    • Publication number 20210039741
    • Publication date Feb 11, 2021
    • Columbia-Inland Corporation
    • Micheal D. Jones
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    DRIVE TRAIN AND SPROCKET ARRANGEMENT FOR HUMAN-POWERED VEHICLE

    • Publication number 20200216143
    • Publication date Jul 9, 2020
    • Shimano Inc.
    • Satoshi SHAHANA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    TRANSMISSION STRUCTURE FOR BICYCLE

    • Publication number 20200130776
    • Publication date Apr 30, 2020
    • Shenzhen Nanbo Automation Equipment CO., LTD.
    • Liyuan LUO
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    PUMP-ACTION RIDE-ALONG VEHICLE

    • Publication number 20200047845
    • Publication date Feb 13, 2020
    • Micheal D. Jones
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ASYMMETRICAL ELLIPTICAL CHAINRING FOR CLIPLESS PEDAL

    • Publication number 20200010147
    • Publication date Jan 9, 2020
    • Yun Seok Choi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE CRANK ASSEMBLY

    • Publication number 20190233051
    • Publication date Aug 1, 2019
    • Pablo Carrasco Vergara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    GEAR FOR A BICYCLE TRANSMISSION

    • Publication number 20190225300
    • Publication date Jul 25, 2019
    • MÖVE BIKES GMBH
    • Tobias Sprote
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    All Limb Powered And Steered Front Wheel Drive Land Vehicle

    • Publication number 20190002055
    • Publication date Jan 3, 2019
    • Christopher Drake Reed
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE CRANKSET

    • Publication number 20180354584
    • Publication date Dec 13, 2018
    • DRIVETRAIN TECH SOLUTION INC.
    • PO-CHENG CHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BICYCLE CRANKSET WITH ECCENTRIC CHAINRING AND ADJUSTABLE CRANKARM

    • Publication number 20180354585
    • Publication date Dec 13, 2018
    • Drivetrain Tech Solution Inc.
    • PO-CHENG CHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GEARWHEEL FOR MOTION TRANSMISSION SYSTEMS ONTO CYCLES

    • Publication number 20180186428
    • Publication date Jul 5, 2018
    • Antonello Briosi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    PUMP-ACTION RIDE-ALONG VEHICLE

    • Publication number 20180072372
    • Publication date Mar 15, 2018
    • Micheal D. Jones
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    CHAINRING

    • Publication number 20170305498
    • Publication date Oct 26, 2017
    • SRAM, LLC
    • Markus Reiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    CHAINRING

    • Publication number 20160052596
    • Publication date Feb 25, 2016
    • SRAM, LLC
    • MARKUS REITER
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Crank Arm Spider Improvement for Attaching Ovoid Chainrings

    • Publication number 20150000460
    • Publication date Jan 1, 2015
    • Rotor Componentes Technologicos S.L.
    • Pablo Carrasco Vergara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Gearing System and Method of Use

    • Publication number 20140323253
    • Publication date Oct 30, 2014
    • Paul Thomas Williams
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    TRANSMISSION WHEEL SERIES WITH PERIODICALLY VARIED SPEED RATIO AND...

    • Publication number 20140171241
    • Publication date Jun 19, 2014
    • Tai-Her YANG
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Transmission Wheel System Series with Periodically Varied Speed Rat...

    • Publication number 20140171239
    • Publication date Jun 19, 2014
    • Tai-Her YANG
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Noncircular Synchronous Transmission Pulley Set Having Periodically...

    • Publication number 20140171240
    • Publication date Jun 19, 2014
    • Tai-Her YANG
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    TREADLE-DRIVE ECCENTRIC WHEEL TRANSMISSION WHEEL SERIES WITH PERIOD...

    • Publication number 20140135159
    • Publication date May 15, 2014
    • Tai-Her YANG
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Chainring

    • Publication number 20140100069
    • Publication date Apr 10, 2014
    • SRAM, LLC
    • Markus Reiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ATTACHMENT OF AN OVOID CHAINRING

    • Publication number 20130281239
    • Publication date Oct 24, 2013
    • ROTOR COMPONENTES TECNOLOGICOS S.L.
    • Pablo Carrasco Vergara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Chainring

    • Publication number 20130139642
    • Publication date Jun 6, 2013
    • SRAM, LLC
    • Markus Reiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Crank power

    • Publication number 20090280937
    • Publication date Nov 12, 2009
    • Geoffrey B. Greene
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Chain wheel for bicycle

    • Publication number 20070246908
    • Publication date Oct 25, 2007
    • Ming-Tsan Shu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Pedaling correction device for bicycle

    • Publication number 20070145709
    • Publication date Jun 28, 2007
    • Hitoshi Matsumoto
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Ovoid chainrings for optimising conventional pedaling

    • Publication number 20060211529
    • Publication date Sep 21, 2006
    • Rotor Componentes Tecnologicos S.I
    • Pablo Carrasco Vergara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle having frame geometry, elliptical pedaling path, and seat c...

    • Publication number 20050263978
    • Publication date Dec 1, 2005
    • Steven G. Ascher
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS