Patents by Inventor Yu Wen Cheng

Yu Wen Cheng 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).

  • Patent number: 6082384
    Abstract: A hand support for a walker frame with two rear frame bars, having a vertical bar, the upper end thereof being located lower than the upper side of the walker frame; a support bar with two ends that are hingedly connected to one of the rear frame bars and to the upper end of the vertical bar; and a stabilizing bar, mounted below the support bar parallel thereto, with two ends that are hingedly connected to one of the rear frame bars and to the upper end of the vertical bar. The support bar and the stabilizing bar are horizontally oriented, with the vertical bar resting on the ground, so as to aid a user to get up from a sitting position, or tilted upwards, with the vertical bar close to the rear frame bar of the walker frame to allow the user to walk unhindered using the walker frame.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: July 4, 2000
    Inventor: Yu Wen Cheng
  • Patent number: 5940905
    Abstract: A bathing chair positioning system for use on a bathing chair. The bathing chair has a frame with two parallel transverse bars shaped like inverted letters U and with ends that are placed inside and outside a bathtub, two connecting bars, connecting the two transverse bars, a seat with a bottom and a back rest, with two parallel L-shaped bars connecting the bottom and the back rest and mounted on gliding elements, such that the seat is glidingly movable along the two transverse bars for a user to enter and to leave the bathtub, and a handle for the user pulling herself or himself into the bathtub or out of the bathtub. The bathing chair positioning system comprises positioning elements having fixed ends fastened to the L-shaped bars of the seat and blocking ends extending away from the seat and engaging with the connecting bars when the seat is at an outside position for the user safely entering and leaving the seat or at a bathing position.
    Type: Grant
    Filed: August 12, 1998
    Date of Patent: August 24, 1999
    Inventor: Yu-Wen Cheng