Patents by Inventor Jelle P. Schoen

Jelle P. Schoen 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: 4943352
    Abstract: An oil reclamation device comprising an evaporator plate secured to an evaporator head to form an evaporation chamber which is heated by a heating element mounted in the evaporator head. A spin on filter assembly with an integral oil dispenser tube is removably mounted to the evaporator plate. The evaporator plate is provided with an oil inlet to receive oil to be reclaimed and an oil outlet to discharge reconditioned oil which has passed through the filter assembly and heated evaporation chamber. Features of this invention include an improved removable filter assembly, an improved heat transmitting element located in the evaporator head, and an improved evaporator plate.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: July 24, 1990
    Assignee: Purifiner Manufacturing Company
    Inventors: Byron Lefebvre, Jelle P. Schoen