Patents by Inventor Jerome Chin Lung Chen

Jerome Chin Lung Chen 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).

  • Double-piston-effect valve
    Patent number: 10072763
    Abstract: A double-piston-effect valve includes two valve seats symmetrically arranged in two valve endcaps at two sides, respectively. A piston ring is arranged on a rear of each of the valve seats, an inner O-ring groove is provided in the piston ring along an inner circumferential direction, an outer O-ring groove is arranged in the piston ring along an outer circumferential direction, an O-ring is fitted in each of the inner O-ring groove and the outer O-ring groove, and two semi-circular notches are symmetrically provided in a protruding portion of the piston ring.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: September 11, 2018
    Assignee: FORTUNE MFG. CO., LTD.
    Inventors: Jerome Chin Lung Chen, Michael Qiang Li
  • Double-Piston-Effect Valve
    Publication number: 20170175908
    Abstract: A double-piston-effect valve includes two valve seats symmetrically arranged in two valve endcaps at two sides, respectively. A piston ring is arranged on a rear of each of the valve seats, an inner O-ring groove is provided in the piston ring along an inner circumferential direction, an outer O-ring groove is arranged in the piston ring along an outer circumferential direction, an O-ring is fitted in each of the inner O-ring groove and the outer O-ring groove, and two semi-circular notches are symmetrically provided in a protruding portion of the piston ring.
    Type: Application
    Filed: February 23, 2017
    Publication date: June 22, 2017
    Inventors: Jerome Chin Lung Chen, Michael Qiang Li