Patents by Inventor Norbert E. Stainbrook

Norbert E. Stainbrook 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 heat treating furnace and quench system with drop transfer
    Patent number: 4647017
    Abstract: A vacuum heat treating furnace and quench system in which a load hanger rod with attached load is suspended vertically from the vacuum chamber top cover assembly, and at the end of the heating cycle segment is unlatched and permitted to free-fall through the opened passageways into the quenching medium.
    Type: Grant
    Filed: December 19, 1984
    Date of Patent: March 3, 1987
    Inventor: Norbert E. Stainbrook