Patents Assigned to Elektro-Physik
  • Brake for manually operable magnetic thickness gauges
    Patent number: 4152646
    Abstract: A magnetic thickness gauge having a rotatable indicator dial which is rotated to lift a permanent magnet by means of a tension spring, from the surface being measured, is provided with an automatic brake which locks the dial in place as soon as the magnet is pulled away.
    Type: Grant
    Filed: August 23, 1977
    Date of Patent: May 1, 1979
    Assignee: Elektro-Physik
    Inventors: Erich A. Steinbgroever, Hans E. Nix
  • Magnetic thickness gauge having convertible scales
    Patent number: 4125807
    Abstract: A thickness gauge for measuring the thickness of a layer applied to a ferromagnetic base by measuring the attractive force of a permanent magnet in contact with the applied layer is provided with easily removable, interchangeable scales to permit direct reading of thickness in terms of metric, English or other units, or in accordance with the characteristics of the particular magnet used in the gauge.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: November 14, 1978
    Assignee: Elektro-Physik
    Inventor: Erich A. Steingroever