Patents by Inventor Oskar Bohlander

Oskar Bohlander 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).

  • Vacuum oven with graphite heating
    Patent number: 4180697
    Abstract: There is provided a vacuum furnace with graphite heating consisting essentially of the furnace body and heating elements wherein the heating elements are made of flexible thin graphite sheets having a thickness of 0.5-3 mm.
    Type: Grant
    Filed: October 12, 1977
    Date of Patent: December 25, 1979
    Assignee: Deutsche Gold- and Silber-Scheideanstalt Vormals Roessler
    Inventors: Erwin Schumann, Oskar Bohlander