Patents Assigned to Robert L. Kruger
  • Machine which holds tools for cleaning and filling joints in pavement
    Patent number: 5468094
    Abstract: Pavement repair equipment designed to hold sand-blasting hoses or other similar devices to clean joints preparatory to sealing those joints. The equipment is mobile being adapted to be moved by an outside powered device and is adapted to move a sand-blasting nozzle along either a longitudinal or transverse joint in the paved surface and to hold a nozzle adjustable at a plurality of angles to the surface. Other equipment which might be held by the equipment would include vacuum nozzles or sealant applicators.
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: November 21, 1995
    Assignee: Robert L. Kruger
    Inventors: Timothy P. Vanderpan, Robert L. Kruger