Patents Assigned to Eldesco Corporation
  • Piston velocity detector
    Patent number: 7202658
    Abstract: A piston velocity detector to determine the velocity of a magnet carrying piston in a cylinder, preferably in the form of a self-contained, hand-held, battery powered piston velocity detector including a plurality of magnet field sensors disposed in an array fixedly spaced from each other within the detector.
    Type: Grant
    Filed: November 29, 2004
    Date of Patent: April 10, 2007
    Assignee: Eldesco Corporation
    Inventors: Andy W. Ketelaars, Heiner Ophardt