Patents by Inventor Torrence L. Duffy

Torrence L. Duffy 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).

  • High-Volume-Manufacture Fuel Cell Arrangement and Method for Production Thereof
    Publication number: 20090197136
    Abstract: A fuel cell which is producible in high volume with electrolyte, positive electrode, and negative electrode components, which incorporate structure, external electrical connections, internal fuel and oxidizer distribution and an exhaust passage to form a simple assembly which can be formed into a stack. The fuel cell can utilize either a rigid or flexible electrolyte.
    Type: Application
    Filed: April 8, 2009
    Publication date: August 6, 2009
    Inventors: Maria Simpson, Torrence L. Duffy, Charles Simpson
  • High-volume-manufacture fuel cell arrangement and method for production thereof
    Patent number: 7531262
    Abstract: A fuel cell which is producible in high volume has electrolyte, positive electrode and negative electrode components which incorporate structure, external electrical connections, internal fuel and oxidizer distribution and an exhaust passage to form a simple assembly which can be formed into a stack. The fuel cell can utilize either a rigid or a flexible electrolyte. The components are manufacturable by a process of printing rolled or flat stock, cutting where appropriate and stacking into a fuel cell assembly.
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: May 12, 2009
    Inventors: Maria Simpson, Torrence L. Duffy, Charles Simpson