Patents by Inventor Dale M. Barger

Dale M. Barger 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).

  • Silicone rubber for relieving stress in magnetic material
    Patent number: 4484161
    Abstract: When two pieces of magnetic material are clamped together in a magnetic circuit, a silicone rubber piece is used to control the clamping pressure in order not only to prevent material stress at the clamping surfaces but also to compensate for the effects of temperature expansion of the magnetic material.
    Type: Grant
    Filed: May 24, 1982
    Date of Patent: November 20, 1984
    Assignee: Varian Associates, Inc.
    Inventor: Dale M. Barger
  • Magnetic circuit adjustable by tapered screws
    Patent number: 4468643
    Abstract: The two magnet structures for establishing therebetween a magnetic field for a multi-stage electromagnetically-tuned filter are provided with tapered machine screws each of which can change the separation between the structures at the point where that screw is mounted so that the pole pieces defining the magnetic field can be tilted in any direction with respect to each other while the filter is operating.
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: August 28, 1984
    Assignee: Varian Associates, Inc.
    Inventor: Dale M. Barger