Patents by Inventor Nancy Ling Chung

Nancy Ling Chung 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-LUMEN CARDIAC ACCESS
    Publication number: 20240058034
    Abstract: An introducer device includes a proximal hub including a first port and a second port, first and second fluid valves associated with the first port and the second port, respectively, a first elongate lumen projecting distally from the proximal hub, the first elongate lumen being in fluid communication with the first port, and a second elongate lumen projecting distally from the proximal hub, the second elongate lumen being in fluid communication with the second port and fluidly isolated from the first elongate lumen.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Inventors: Felino V. Cortez, JR., Stephen Cournane, Stephen Epstein, Nancy Ling Chung, Luke Anthony Zanetti, Ashley Nicolette Hinga (formerly Keffer), Wesley Paul Nicholson, Sai Prasad Uppalapati
  • QUICK CONNECT MECHANISMS FOR DRAW STUD ASSEMBLIES
    Publication number: 20210039153
    Abstract: A punch tool assembly for punch cutting a workpiece is disclosed. The punch tool assembly connectable to a movable piston. The punch tool assembly has a draw stud, a removable connector for connecting the draw stud to the piston, and a die receiving the draw stud therethrough. The die is disposed on a side of the workpiece. A quick-release nut engages the draw stud. The nut is disposed on the other side of the workpiece. The nut has threaded nut segments that threadingly engage the draw stud, and at least one spring biasing the nut segments towards each other. A cutter is disposed on the draw stud between the other side of the workpiece and the nut.
    Type: Application
    Filed: September 4, 2020
    Publication date: February 11, 2021
    Inventors: Jonathan Raymond Siemen, Todd Bogdan Plajzer, Marc Edward Paras, Seth Michael Robinson, Vincent Cerfeuillet, Patrick Vervier, John Michael Peiffer, Nancy Ling Chung, Rex Allen Marshall, JR.