Patents by Inventor Leon J. Wanson

Leon J. Wanson 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).

  • Installation for purification of a liquid compound
    Patent number: 4251324
    Abstract: Multi-stage purification installation offering a great flexibility in the treatment of the residues produced and involving a relatively low energy consumption. Each stage comprises two heat exchangers connected in series and is fed independently with the liquid compound to be treated. At the outlet of each stage there is produced a polyphase mixture which is then separated into vaporized component(s) and sludges, the vaporized component(s) serving as heating fluid in the next following stage.
    Type: Grant
    Filed: December 5, 1978
    Date of Patent: February 17, 1981
    Assignee: Etablissements Wanson, Construction de Materiel Thermique
    Inventor: Leon J. Wanson