Patents by Inventor Tim Brummer

Tim Brummer 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).

  • Handcycle
    Patent number: 6105986
    Abstract: A handcycle having a hand drive mechanism for powering the cycle which includes an attitude control system having an elastomer member serving as a resilient member to resist leaning forces. The system includes adjustability to accommodate weights of various riders so that a proper stabilizing opposing force is applied. An adjustable steering angle mechanism is provided on the handcycle frame permitting smooth movement regardless of the steering angle.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: August 22, 2000
    Inventors: Jon Franks, Tim Brummer
  • Recumbent bicycle seat frame
    Patent number: D301218
    Type: Grant
    Filed: January 2, 1987
    Date of Patent: May 23, 1989
    Inventor: Tim Brummer
  • Recumbant bicycle
    Patent number: D304319
    Type: Grant
    Filed: December 5, 1983
    Date of Patent: October 31, 1989
    Inventor: Tim Brummer
  • Recumbent bicycle frame and fork
    Patent number: D327040
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: June 16, 1992
    Inventor: Tim Brummer