Patents by Inventor Gustav G. Orke

Gustav G. Orke 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).

  • Door for a microwave oven
    Patent number: 4146768
    Abstract: A microwave oven having an access door comprising a metal door frame with a choke cavity and a perforated metal sheet covering the area inside the frame. The door frame consists of a U-shaped metal profile with the legs of the U oriented in the plane of the door so as to effect an energy seal between the frame and the perforated metal sheet by pressing the sheet against the outside planar area of one of the legs of the profile.
    Type: Grant
    Filed: August 17, 1977
    Date of Patent: March 27, 1979
    Assignee: U.S. Philips Corporation
    Inventors: Gustav G. Orke, Bengt T. L. Lindstrom