Patents by Inventor Robert Gleadall

Robert Gleadall 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).

  • Patent number: 5075921
    Abstract: An improvement in a wand attachment for a carpet cleaning apparatus. These wand attachments generally consist of a shaft having a first end and a second end. A suction conduit is provided having a first end and a second end. The first end is disposed at the first end of the shaft such that a suction force is applied to a carpet. The second end is adapted for coupling to a suction motor of a carpet cleaning apparatus. The improvement consists of an articulated shaft having three sections pivotally connected. One of the pivotal connections is adjacent the first end of the shaft.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: December 31, 1991
    Inventor: Robert Gleadall
  • Patent number: 5048148
    Abstract: A carpet cleaning apparatus consisting of a housing having a lower surface and an interior cavity. Wheels are secured adjacent to the lower surface of the housing. A conduit is secured to the housing. The conduit has a first end whereby the conduit may be coupled to a water supply and a second end with spray jets whereby fluids may be injected into a carpet. A discharge tank is secured within the interior cavity of the housing. The discharge tank has two suction ports, and two fluid inlets. Two suction conduits are provided. Each suction conduit has a first end communicating with one of the fluid inlets of the discharge tank and a second end disposed adjacent the lower surface of the housing. Two suction motors are secured in the interior cavity of the housing, each of the suction motors communicating with one of the suction inlets of the discharge tank such that a vacuum is created within the discharge tank and the suction conduits.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: September 17, 1991
    Inventor: Robert Gleadall