Patents Assigned to Pave-Mark Corporation
  • Patent number: 4802788
    Abstract: A road marking apparatus has a hopper mounted upon a pair of side runners that straddle an outlet in the bottom of the hopper. A doctor blade is mounted for reciprocal vertical movement in sliding contact with the outside of a rear wall of the hopper adjacent the hopper outlet between the runners. A floor gate is mounted for reciprocal horizontal movement into and out of contact with a bottom edge of the hopper rear wall and the doctor blade for opening and closing the hopper outlet.
    Type: Grant
    Filed: January 13, 1988
    Date of Patent: February 7, 1989
    Assignee: Pave-Mark Corporation
    Inventor: Martin A. Smith
  • Patent number: 4623279
    Abstract: A preheater for melting a slab of thermoplastic marking material preparatory to applying a melt therefrom onto a paved surface has a heated slab receiver formed with a side wall oriented between 70.degree. and 82.degree. with respect to a reference ground plane upon which surface a slab may be flushly supported for heating and melt down.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: November 18, 1986
    Assignee: Pave-Mark Corporation
    Inventor: Martin A. Smith