Patents by Inventor Stan Ainslie

Stan Ainslie 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).

  • Thermolysis of pentachlorophenol treated poles
    Patent number: 5378323
    Abstract: This invention comprises a method and apparatus for removing oil and tar based wood preservatives from sawdust. A pole treated with oil or tar basee wood preservative is shaved to remove the treated outer wood layer, leaving the interior preservative free. The sawdust is subjected to rapid heating in a turbulent oxygen-free gas stream and the oil and tar are rapidly distilled from the sawdust. The sawdust and gas are separated in a mechanical separator and the hot gas is rapidly cooled, condensed and recovered.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: January 3, 1995
    Assignee: Worthing Industries, Inc.
    Inventors: Peter Fransham, John Rasmussen, Stan Ainslie