Patents by Inventor Ming-Hwa R. Jen

Ming-Hwa R. Jen 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).

  • Multi-functional test machine
    Patent number: 5948994
    Abstract: A multi-functional test machine is provided.
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: September 7, 1999
    Inventors: Ming-Hwa R. Jen, Wei-Hwang Lin
  • Clip assembly for clamping a test-piece with two end portions which form an angle therebetween
    Patent number: 5573215
    Abstract: A clip assembly includes a main block with a tapered internal wall confining a receiving space to receive slidably and engageably a pair of clamps therein. The clamps define a gap therebetween. The clamps further define an elongated engaging groove at its upper portion and extends transversely to the gap which receives engageably two connectors with two connecting rods extending out from the engaging groove to connect a circular disc disposed above the clamps. The disc has a centrally located threaded through-hole. A cover member has a through-hole aligned with the threaded through-hole of the disc and mounted securely on the rigid block to cover the receiving space. A regulating screw has a threaded portion engaged threadedly in the threaded through-hole of the circular disc and a head portion engaged rotatably by the periphery of the through-hole of the cover member so as to prevent the head portion from moving axially when the regulating screw is rotated about its axis.
    Type: Grant
    Filed: February 1, 1995
    Date of Patent: November 12, 1996
    Inventors: Ming-Hwa R. Jen, Weihwang Lin