Patents by Inventor Curry Paul Leggett

Curry Paul Leggett 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).

  • Pipe Cleaning System and Method
    Publication number: 20140332031
    Abstract: An HVAC pipe cleaning system includes a pipe cleaning adapter attached to the upstream end of a pipe and a catch device attached to the downstream end of the pipe k cylindrical wiper is closely fitted into the interior of the pipe cleaning adapter and is propelled from the pipe adapter into the pipe by means of gas pressure behind the cylindrical wiper. A flushing solvent fitting is used to inject flushing solvent into the pipe cleaning adapter ahead of the wiper.
    Type: Application
    Filed: May 10, 2013
    Publication date: November 13, 2014
    Inventor: Curry Paul Leggett