Patents by Inventor Gordon E. Osterstom

Gordon E. Osterstom 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).

  • Turbomolecular pump with improved bearing assembly
    Patent number: 4767265
    Abstract: A single ended turbomolecular vacuum pump operable in the free molecular flow pressure range having an improved bearing assembly between the motor rotor and the pump rotor discs is disclosed. The improved bearing assembly which is of the "plain" or "sleeve" liquid lubricated type has a relatively high ratio of journal diameter to bearing axial length. The improved bearing assembly is characterized by improved heat transmission capabilities, high tolerance for misalignment and long life.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: August 30, 1988
    Assignee: Sargent-Welch Scientific Co.
    Inventor: Gordon E. Osterstom