Patents by Inventor Lai-Hao Chen

Lai-Hao 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).

  • Magnetic device for use in exercise bicycle or other exercise machines
    Patent number: 6234938
    Abstract: A magnetic device intended for use in an exercise bicycle or the like comprises a main body, a spindle mounted on the main body, two disks mounted on the spindle at an interval and provided with a plurality of magnets, and a threaded rod for adjusting the distance between the two disks so as to adjust the magnitude of resistance force by controlling the magnetic flux density between the two disks.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: May 22, 2001
    Inventor: Lai-Hao Chen