Patents by Inventor Craig A. Topp

Craig A. Topp 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).

  • Exercise device
    Patent number: 5443434
    Abstract: A quiet air resistance exercise cycle has a number of sound reduction features in its preferred embodiments. Soundproofing material is used on the inside of the housing surrounding the wheel to absorb sound. The housing comprises solid panels to limit air from outside the housing from contacting the wheel. The housing panels generally defining a polyhedron to create dead spaces for air eddies inside the wheel compartment. The wheel may also include a pitch reduction material and preferably is belt driven.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: August 22, 1995
    Assignee: Roadmaster Corporation
    Inventors: Matthew D. Buchanan, Jeffrey D. Metcalf, Craig A. Topp
  • Exercise bicycle
    Patent number: D353638
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: December 20, 1994
    Assignee: Roadmaster Corporation
    Inventors: David K. Camfield, Craig A. Topp