Patents by Inventor Po Cheng Adrian Chen

Po Cheng Adrian Chen 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).

  • Bicycle hub having unidirectional transmission apparatus in opposite position
    Patent number: 10960707
    Abstract: A bicycle hub includes a housing, in which a first ratchet device, a second ratchet device, and an elastic device are received. The first ratchet device is rotated freely in the housing, and the second ratchet device is fixed to the housing. The first ratchet device has a first ratchet portion, the second ratchet device has a second ratchet portion, and the elastic device urges the first ratchet portion to engage the second ratchet portion of the second ratchet device when the first ratchet device is rotated in a direction. A driving device is connected to the first ratchet device to rotate at an end of the housing while the first and the second ratchet portions are located at an opposite end of the housing.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: March 30, 2021
    Assignee: Drivetrain Tech Solution Inc.
    Inventor: Po Cheng Adrian Chen
  • Bicycle Hub Having Unidirectional Transmission Apparatus in Opposite Position
    Publication number: 20200114684
    Abstract: A bicycle hub includes a housing, in which a first ratchet device, a second ratchet device, and an elastic device are received. The first ratchet device is rotated freely in the housing, and the second ratchet device is fixed to the housing. The first ratchet device has a first ratchet portion, the second ratchet device has a second ratchet portion, and the elastic device urges the first ratchet portion to engage the second ratchet portion of the second ratchet device when the first ratchet device is rotated in a direction. A driving device is connected to the first ratchet device to rotate at an end of the housing while the first and the second ratchet portions are located at an opposite end of the housing.
    Type: Application
    Filed: August 6, 2019
    Publication date: April 16, 2020
    Inventor: Po Cheng Adrian Chen