Patents by Inventor Billie Odell Doonan

Billie Odell Doonan 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: 6114401
    Abstract: A plastic article or plastic container reclamation process if provided in which plastic containers are divided into relatively large pieces, then washed, agitated and separated using an aqueous solvent to remove residual materials. The residual materials such as motor oil are reclaimed for reuse and the aqueous solvent is regenerated for reuse in the process. Residual materials such as dirt, labels and adhesives from the plastic containers is recovered for recycling or passed to waste for disposal or reuse.
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: September 5, 2000
    Inventor: Billie Odell Doonan