Patents by Inventor John Allen Bradley

John Allen Bradley 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).

  • Press plug support for tire inflation system
    Patent number: 6131631
    Abstract: A press plug for use in an inflation system for supplying air to the rotating tires on a vehicle. The press plug provides the function of sealing pressure in an axle and providing support by rotary air connection by engaging the inside of the axle and being held in place by an interference fit. The press plug includes a tapered flange for providing both a seal and retaining feature for holding the press plug in position.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: October 17, 2000
    Assignee: Equalaire Systems, Inc.
    Inventors: John Allen Bradley, Mark Kevin Hennig
  • Rotary air coupling for tire inflation system
    Patent number: 5868881
    Abstract: The present invention is directed to a rotary air coupling that distributes air to tires mounted on a rotating hub of a driven axle. The coupling is positioned outside of the axle and hub bearings avoiding interference with the wheel assembly. And the rotary coupling is connected to the brake mounting plate and the wheel hub to take advantage of their closely held tolerances.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: February 9, 1999
    Assignee: Equalaire Systems, Inc.
    Inventor: John Allen Bradley