Patents by Inventor Zuolin Chen

Zuolin 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).

  • Publication number: 20190313752
    Abstract: The invention claims a front-openable draw-bar box, comprising a box body and a draw-bar, wherein the front side of the box body is provided with an opening; a front cover is set on the opening, and the upper end thereof is connected with the box body through a buckle or a hook hole latch while the lower end thereof is connected with the box body through a spring cotter or a hinge or a damping structure; a switch is set above the box body. The box body is firmly connected with front cover, facilitating to lock and unlock the box body, with the advantages of safe and convenient use, the invention is especially applicable for travel.
    Type: Application
    Filed: February 6, 2019
    Publication date: October 17, 2019
    Inventors: Yonghao LUO, Zuolin CHEN
  • Patent number: 8902707
    Abstract: Acoustic signals resulting from microseismic events in the subsurface are received in a first array of detectors deployed in a borehole and in a second array of detectors at or near the surface of the earth. The signals are converted to give the locations of the microseismic events.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: December 2, 2014
    Assignee: Baker Hughes Incorporated
    Inventor: Zuolin Chen
  • Publication number: 20080247269
    Abstract: Acoustic signals resulting from microseismic events in the subsurface are received in a first array of detectors deployed in a borehole and in a second array of detectors at or near the surface of the earth. The signals are converted to give the locations of the microseismic events.
    Type: Application
    Filed: March 12, 2008
    Publication date: October 9, 2008
    Applicant: BAKER HUGHES INCORPORATED
    Inventor: Zuolin Chen