Patents Assigned to Washington Suburran Sanitary Commission
  • Apparatus including a portable hoist and grapples for use in repairing water main meters
    Patent number: 4762239
    Abstract: Apparatus is provided for assisting in the repair of valves used in water line meters. The apparatus comprises a travel lift mounted on a collapsible frame specifically configured for erection on water line meters. Grapples are included for grappling a valve chamber cover, a pivoted weight and a valve so that elements of the valve can be removed from the meter for repair.
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: August 9, 1988
    Assignee: Washington Suburran Sanitary Commission
    Inventors: Edward E. Wissman, Vincent Tenaglia