Patents by Inventor Cheng K. Liang

Cheng K. Liang 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: 5283955
    Abstract: The present invention relates to a cutting machine the blade of which is controlled to slide up and down for cutting a stack of cloth by means of an induction produced through the contact of an inductive handle of the machine with an operator's hand. The sensitive contact and induction control manner permits an operator to easily, safely and efficiently start, stop, and resume the sliding movement of the blade without the need to repeatedly switch on or off the cutting machine.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: February 8, 1994
    Inventor: Cheng K. Liang