Patents by Inventor Cheng-Nan Yu

Cheng-Nan Yu 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: 5613252
    Abstract: A multipurpose sickbed including a body turning-over mechanism, which includes a sheet-like bearing element upon which the sick person lies, and two revolving shafts connected to the sheet-like bearing element at two opposite sides and alternatively controlled to take up the sheet-like bearing element in turning over the body of the sick person, a sit-up mechanism controlled to turn a head plate and a back plate in helping the sick person to sit up, and a massaging mechanism controlled to reciprocate a transverse rod under the sheet-like bearing element in massaging the back of the sick person.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: March 25, 1997
    Inventors: Cheng-Nan Yu, Chin-Jun Wu