Patents by Inventor Charles E. Chamberlin

Charles E. Chamberlin 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).

  • Proton exchange membrane fuel cell
    Patent number: 5879826
    Abstract: A polymer electrolyte membrane fuel cell using hydrogen as the fuel and oxygen containing air as the oxidant. The fuel cell including a hydrogen side electrode; an air side electrode; an electrolyte positioned between the electrodes; a hydrogen diffuser/collector plate including hydrogen channels; and an air diffuser/collector plate including air channels. A method of operation of the fuel cell including introducing hydrogen into the hydrogen channels and introducing air into the air channels at a pressure of less than 5 psig and with a channel velocity of between about 0.15 and 7.0 meters/second.
    Type: Grant
    Filed: June 24, 1996
    Date of Patent: March 9, 1999
    Assignee: Humboldt State University Foundation
    Inventors: Peter A. Lehman, Charles E. Chamberlin, Ronald M. Reid, Thomas G. Herron