Patents by Inventor George F. Schulke

George F. Schulke 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).

  • Patent number: 4806868
    Abstract: An NMR sample spinner comprises first rotational torque means to impart a first rotation to a sample rotor and a second rotational torque means for applying a rotational torque of selected magnitude opposite that applied by said first rotational torque means, whereby positive rotational rate control is more precisely and rapidly realized, sense of rotation is controlled, and undesired rotational torque may be compensated.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: February 21, 1989
    Assignee: Varian Associates, Inc.
    Inventor: George F. Schulke