Patents by Inventor Henry Tsao

Henry Tsao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Front gear changer
    Patent number: 9890838
    Abstract: An electromechanical front gear changer for a bicycle is provided, the bicycle having a chain, including a base member attachable to the bicycle. A linkage is movably coupled to the base member. A chain guide is movably coupled to the linkage for contacting the chain. A motor is supported by the base member. A gear transmission is driven by the motor to move the linkage. A CPU is provided for controlling the motor and a power supply is supported by the base member to power the motor and the CPU.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: February 13, 2018
    Assignee: SRAM, LLC
    Inventors: Christopher Shipman, Brian Jordan, Mark Santurbane, Henry Tsao
  • FRONT GEAR CHANGER
    Publication number: 20140114538
    Abstract: An electromechanical front gear changer for a bicycle is provided, the bicycle having a chain, including a base member attachable to the bicycle. A linkage is movably coupled to the base member. A chain guide is movably coupled to the linkage for contacting the chain. A motor is supported by the base member. A gear transmission is driven by the motor to move the linkage. A CPU is provided for controlling the motor and a power supply is supported by the base member to power the motor and the CPU.
    Type: Application
    Filed: January 31, 2013
    Publication date: April 24, 2014
    Applicant: SRAM, LLC
    Inventors: Christopher Shipman, Brian Jordan, Mark Santurbane, Henry Tsao