Patents by Inventor Billy G. Duty

Billy G. Duty 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: 6164414
    Abstract: An automotive lift apparatus includes a first beam support assembly and a pair of beams supported at first beam ends by the first beam support assembly, wherein each of the beams includes an outward facing beam guide portion and an inward facing guide portion. A pair of ramp/second beam support assemblies are connected to second beam ends of the beams, and each of the ramp/second beam support assemblies includes a second base. A liftable ramp is hingedly connected to the second base, and a ramp lift assembly is connected between the ramp and the second base. The first beam support assembly includes a beam support base and a beam support riser pivotally connected to the beam support base. Each of the ramp lift assemblies includes a ramp-lift hydraulic cylinder connected between the second base and the ramp. Each of the ramp/second beam support assemblies includes a riser link hingedly connected between each of the ramps and the second beam ends.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: December 26, 2000
    Inventor: Billy G. Duty
  • Patent number: 5425590
    Abstract: A disposable toothbrush apparatus is provided having a head, a bristle cluster extending from the head and a hollow handle for defining a toothpaste storage chamber connected to the head. A manually actuatable pump assembly mounted for axial displacement at the distal end of the handle storage chamber is adapted to cause a predetermined amount of toothpaste in the chamber to be fed via a conduit to a nozzle opening in a surface of the head at the base of the bristle cluster. In an alternative embodiment, a refillable cartridge containing a fresh supply of toothpaste and the self-contained pump assembly is adapted to be fitted to the hollow handle.
    Type: Grant
    Filed: March 9, 1994
    Date of Patent: June 20, 1995
    Inventors: Billy G. Duty, Ellen McClanahan, Randy Newberry