Patents Examined by Raymond W Addle
  • Asphalt repair apparatus with dry, radiant heat source
    Patent number: 5988935
    Abstract: A portable device is shown for transporting asphalt repair materials for use in repairing potholes in asphalt pavements. The device has a body with a hopper compartment for transporting and dispensing asphalt mix materials. A dry, radiant heat source is located below the hopper compartment and heats the asphalt mix. Tack oils are held and dispensed from a separate tack oil tank.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: November 23, 1999
    Assignee: H.D. Industries, Inc.
    Inventor: Harold W. Dillingham