Patents by Inventor John D. Blood

John D. Blood 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).

  • Power driven centerline steering safety axle wheel assembly with disc brake
    Patent number: 4089383
    Abstract: A wheel drive system for a surface vehicle has a dirigible wheel with its steering axis on the vertical center line of the wheel, a disc brake with annular braking surfaces in vertical planes adjacent to the center line, caliper type brake shoes to engage the surfaces, and power driven gears for driving the wheel.
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: May 16, 1978
    Assignee: The Centerline Steering Safety Axle Corporation
    Inventors: John D. Blood, Melvin R. Inbody
  • Flag
    Patent number: D253882
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: January 8, 1980
    Inventor: John D. Blood