Patents by Inventor Tsung-cheng Cheng

Tsung-cheng 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).

  • Transmission cylinder without axial limitation
    Publication number: 20030066420
    Abstract: A transmission cylinder without axial limitation. A piston is disposed in the transmission cylinder. Multiple flexible members are disposed on one side of the piston. A resilient member is fitted around the flexible members. Each flexible member extends within a guide member which is fixed at a portion of a certain structure. The piston is driven by a power source, whereby the flexible members are flexibly moved along and within the guide member to transmit power in multiple axial directions.
    Type: Application
    Filed: October 10, 2001
    Publication date: April 10, 2003
    Inventor: Tsung Cheng Cheng
  • Speaker
    Patent number: D382877
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: August 26, 1997
    Inventor: Tsung-cheng Cheng
  • Speaker
    Patent number: D390565
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: February 10, 1998
    Inventor: Tsung-cheng Cheng