Patents by Inventor Xin Nmn Wu

Xin Nmn Wu 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).

  • Method of forming a tubular blank into a structural component and die therefor
    Patent number: 6613164
    Abstract: A method of forming an elongated tubular blank into a tubular structural component having a predetermined outer configuration, the method comprising: providing a shape imparting shell formed from a low permeability, rigid material which includes an inner surface defining the predetermined shape, plugging the open ends of the tubular blank, placing the plugged blank into the shell, and forming the tubular blank into the tubular component by inductively heating axial portions of the blank by axially spaced conductors adjacent the shell while or before forcing gas at a high pressure into the plugged blank until the blank conforms to at least a portion of the inner surface of the shell to form the structural component.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: September 2, 2003
    Assignee: Hot Metal Gas Forming Intellectual Property, Inc.
    Inventors: William C. Dykstra, George D. Pfaffmann, Xin Nmn Wu