Patents by Inventor Christopher D. Stemm

Christopher D. Stemm 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).

  • Rod gland and hub assembly for tire curing press
    Patent number: 4684338
    Abstract: A rod gland (28) has axially extending inlet and outlet grooves (64,66) at circumferentially spaced positions on a cylindrical outer surface (34) and is provided with an annular seal (60) for preventing leaks between the grooves (64,66). The annular seal (60) is positioned in a groove (59) between an adapter hub (36) and a lower clamping ring hub (38) surrounding and in sliding engagement with the cylindrical outer surface (34) of the rod gland (28) so that at the inlet and outlet grooves (64,66) the sealing is on three sides of the annular seal (60) and between the grooves (64,66) the sealing is on four sides of the annular seal (60).
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: August 4, 1987
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Larry E. Steidl, Christopher D. Stemm