Patents by Inventor Winfred John Wiese

Winfred John Wiese 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).

  • Balanced mechanical seal with flow control
    Patent number: 4114900
    Abstract: A balanced mechanical seal structure is disclosed which is constructed to control the leak rate across the seal faces as a function of the pressure differential between the pressure in the stuffing box and the pressure in the seal chamber. The structure is particularly adapted for use in a tandem seal arrangement.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: September 19, 1978
    Assignee: Borg-Warner Corporation
    Inventor: Winfred John Wiese
  • Mechanical seal assembly
    Patent number: 4099728
    Abstract: A mechanical seal assembly having a backup ring for a soft seal ring that minimizes distortion of the soft seal ring. A mechanical seal assembly wherein at least one of the seal faces is constructed and arranged to provide substantially constant seal balance as the seal ring wears down in operation.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: July 11, 1978
    Assignee: Borg-Warner Corporation
    Inventor: Winfred John Wiese