Patents by Inventor Larry A. Pitts

Larry A. Pitts 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).

  • Voltage monitoring system for a fuel cell stack
    Patent number: 6410176
    Abstract: An assembly includes a fuel cell stack, a circuit board, an elastomeric connector and a frame. The elastomeric connector contacts the stack to provide cell voltages of the stack to the circuit board. The frame holds the circuit board, positions the elastomeric connector between the fuel cell stack and the circuit board and provides the appropriate compression of the connector.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: June 25, 2002
    Assignee: Plug Power, Inc.
    Inventors: Suat Genc, Larry A. Pitts, Kevin L. Mease, Charles M. Carlstrom, Russel H. Marvin
  • Clamping apparatus and method for a fuel cell
    Patent number: 6218039
    Abstract: A fuel cell assembly includes a stack assembly having fuel cell plates and a frame having a bottom section and at least two side sections integrally formed with the bottom section. The stack assembly is placed on the frame bottom section, and one or more fasteners are used to attach the frame to an upper portion of the stack assembly to apply a compressive force on the stack assembly.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: April 17, 2001
    Assignee: Plug Power, Inc.
    Inventors: Kevin L. Mease, Adam K. Brunner, Larry A. Pitts, Alan F. Winslow
  • Toy airplane
    Patent number: D243969
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: April 5, 1977
    Inventor: Larry Pitts