Patents Assigned to John C. Kupferle Foundry Co.
  • Patent number: 6948512
    Abstract: A device and method for automatically flushing hydrants. The device is installed externally to an existing hydrant. The device comprises a nipple having an internally threaded collar for attaching the device to a hydrant outlet, a valve, a control for automatically operating the valve, and a lockable box containing at least the valve, the box having an outlet for allowing water from the hydrant to pass from the valve to the exterior of the box. The box functions as an enclosure and may be of any desired configuration.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: September 27, 2005
    Assignee: John C. Kupferle Foundry Co.
    Inventor: Daniel G. McKeague