Patents by Inventor Zuming Xia

Zuming Xia 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).

  • Segmental duct coupler devices, systems, and methods
    Patent number: 11473302
    Abstract: Segmental duct coupler devices, systems, and methods are provided herein. A duct coupler device can include a single, discrete body of material for welding to a duct segment. A system, including a duct segment having a duct coupler device welded thereto, is provided. The connection or points of connection between the duct coupler device and the duct segment in the system are devoid of internal and/or external seals. The duct coupler device and system can be cast in concrete. Multiple concrete segments can be assembled together to form a bridge, a roadway, a building, a slab, or any other structure.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: October 18, 2022
    Assignee: Structural Technologies IP, LLC
    Inventors: Gregory A. Hunsicker, Zuming Xia, John R. Crigler
  • SEGMENTAL DUCT COUPLER DEVICES, SYSTEMS, AND METHODS
    Publication number: 20170350126
    Abstract: Segmental duct coupler devices, systems, and methods are provided herein. A duct coupler device can include a single, discrete body of material for welding to a duct segment. A system, including a duct segment having a duct coupler device welded thereto, is provided. The connection or points of connection between the duct coupler device and the duct segment in the system are devoid of internal and/or external seals. The duct coupler device and system can be cast in concrete. Multiple concrete segments can be assembled together to form a bridge, a roadway, a building, a slab, or any other structure.
    Type: Application
    Filed: May 18, 2017
    Publication date: December 7, 2017
    Inventors: Gregory A. Hunsicker, Zuming Xia, John R. Crigler