Patents by Inventor I-De Chen

I-De 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 with front and rear disk brakes operable approximately simultaneously
    Patent number: 7997389
    Abstract: A bicycle includes front and rear disk brake units. The rear disk brake unit includes a rear brake lever unit, a rear brake disk, a rear caliper device, and a rear brake oil tube interconnecting the rear brake lever unit and the rear caliper device and having a first inner diameter. The front disk brake unit includes a front brake lever unit, a front brake disk, a front caliper device, and a front brake oil tube interconnecting the front brake lever unit and the front caliper device and having a second inner diameter greater than the first inner diameter so as to allow for approximate simultaneous clamping of the front and rear caliper devices on the front and rear brake disks, respectively, when the front and rear brake lever units are operated simultaneously.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: August 16, 2011
    Assignee: Giant Manufacturing Co., Ltd.
    Inventor: I-De Chen
  • Bicycle with front and rear disk brakes operable approximately simultaneously
    Publication number: 20090140507
    Abstract: A bicycle includes front and rear disk brake units. The rear disk brake unit includes a rear brake lever unit, a rear brake disk, a rear caliper device, and a rear brake oil tube interconnecting the rear brake lever unit and the rear caliper device and having a first inner diameter. The front disk brake unit includes a front brake lever unit, a front brake disk, a front caliper device, and a front brake oil tube interconnecting the front brake lever unit and the front caliper device and having a second inner diameter greater than the first inner diameter so as to allow for approximate simultaneous clamping of the front and rear caliper devices on the front and rear brake disks, respectively, when the front and rear brake lever units are operated simultaneously.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 4, 2009
    Inventor: I-De Chen