Patents Assigned to William O. Lehman
  • Flow meter system
    Patent number: 3981194
    Abstract: A flow meter system having the components of a meter with a housing and a rotator and a sensor thereon, and an electronic digital counter and an electric timer are connected with the sensor, all for determining the quantity of flow of fluid through the meter. The sensor is a radio frequency type and the rotor has a metallic piece which disturbs the radio wave in effecting the counting of the revolutions of the rotor.
    Type: Grant
    Filed: August 21, 1975
    Date of Patent: September 21, 1976
    Assignee: William O. Lehman
    Inventors: Bernard G. Blise, Norman H. Jessen