Patents by Inventor Rudolf Marcucci

Rudolf Marcucci 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).

  • Method for making high intensity discharge arc tube
    Patent number: 3966288
    Abstract: A quartz tube is held in a lathe and rotated while heat is applied to an intermediate portion thereof. When the quartz is heated to plasticity, rotation is stopped and a mold is rapidly closed around the softened quartz. The quartz is shaped in the mold by the rapid application of gas pressure in the tube.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: June 29, 1976
    Assignee: GTE Sylvania Incorporated
    Inventors: William A. Finch, Frederick A. Loughridge, Rudolf Marcucci