Patents by Inventor C. John Tiedeman, Jr.

C. John Tiedeman, Jr. 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).

  • Degassing metal powder
    Patent number: 4515629
    Abstract: Apparatus and method for degassing fine powders of metals are disclosed. A vertical shell having a series of baffle plates inclined at an angle of repose is used to induce a serpentine path for the powder. The shell is subjected to suitable conditions of vibration temperature and pressure to maintain the desired flow rate and gas separation. Conditions of mesh size, pressure temperature, angle of repose as well as equipment configuration are discussed.
    Type: Grant
    Filed: February 12, 1981
    Date of Patent: May 7, 1985
    Assignee: United Technologies Corporation
    Inventors: Frederick A. Dizek, Eric S. Vogel, C. John Tiedeman, Jr., Robert A. Herold