Patents by Inventor Junguo Chen

Junguo 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).

  • One-step groove forming device and method for oblique crossing of reducing pipe fittings
    Patent number: 9505143
    Abstract: The present invention discloses a one-step groove forming device and method for oblique crossing of reducing pipe fittings. The forming device is composed of a plurality of clamping components (1) and at least one marking component (2), the clamping components (1) are movably connected and can be fixedly connected, and at least one clamp (3) is arranged on the clamping component (1); the marking component (2) comprises a probe (4) and a marking knife (5) fixed on the probe, one end of the probe (4) is provided with a pinhead (6), and the marking component (2) is used in concert with the plurality of clamping components (1). The forming device of the present invention can realize one-step groove forming for oblique crossing of pipe fittings with different diameters at any angle.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: November 29, 2016
    Assignee: YICHANG TIAN HONG TECHNOLOGY CO., LTD.
    Inventors: Jinhua Wang, Junguo Chen
  • One-Step Groove Forming Device and Method for Oblique Crossing of Reducing Pipe Fittings
    Publication number: 20140352516
    Abstract: The present invention discloses a one-step groove forming device and method for oblique crossing of reducing pipe fittings. The forming device is composed of a plurality of clamping components (1) and at least one marking component (2), the clamping components (1) are movably connected and can be fixedly connected, and at least one clamp (3) is arranged on the clamping component (1); the marking component (2) comprises a probe (4) and a marking knife (5) fixed on the probe, one end of the probe (4) is provided with a pinhead (6), and the marking component (2) is used in concert with the plurality of clamping components (1). The forming device of the present invention can realize one-step groove forming for oblique crossing of pipe fittings with different diameters at any angle.
    Type: Application
    Filed: March 28, 2013
    Publication date: December 4, 2014
    Applicant: YICHANG TIAN HONG TECHNOLOGY CO., LTD.
    Inventors: Jinhua Wang, Junguo Chen