Patents by Inventor Hugh Miller Rawls

Hugh Miller Rawls 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).

  • Particle injecting fire ant eradication device and method
    Publication number: 20030131523
    Abstract: A method and apparatus for eradicating fire ants by permeating the soil in a fire ant mound with very small particles. These particles tend to infiltrate and disable the joint structure of the ants, eventually killing them. One particularly effective composition is diatomaceous clay—commonly known as fuller's earth.
    Type: Application
    Filed: January 11, 2002
    Publication date: July 17, 2003
    Inventor: Hugh Miller Rawls
  • Hot steam and water fire ant killing device
    Patent number: 6026609
    Abstract: A mechanical device for killing fire ants by the introduction of hot water and steam to the fire ant mound. The invention uses a hydraulic cylinder to ram a metal probe deep into an ant mound. The probe has a plurality of orifices which emit jets of hot water and steam, thereby scalding and killing the ant queen before she can be removed to safety. In the preferred embodiment, the invention is adapted to be mounted on an agricultural tractor.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: February 22, 2000
    Inventor: Hugh Miller Rawls