Patents Assigned to Joyce Pipe Line Company
  • Patent number: 4636111
    Abstract: Road working apparatus, towed by a road working vehicle, such as a truck, includes a cage portion for protecting workers performing tasks such as filling potholes. The cage has an opening through the floor, which opening is positioned over the pothole. If necessary the size of the opening can be increased by pivoting up one or more grates. Preferably the apparatus includes machinery and equipment necessary to perform the particular task at hand, such as a hot patch and blacktop dispersing unit, a generator and an air compressor for powering road working tools.
    Type: Grant
    Filed: July 25, 1985
    Date of Patent: January 13, 1987
    Assignee: Joyce Pipe Line Company
    Inventor: James V. Joyce