Patents Assigned to Pipe Service, Inc.
  • Reinforced concrete deck structure for bridges and method of making same
    Patent number: 6578343
    Abstract: A reinforced concrete deck structure particularly adaptable for bridge spans is made up of superimposed layers of concrete with a corrugated metal pan therebetween along with a plurality of reinforcing bars which extend transversely of and through the corrugations. Individual, partially completed slabs are precast and are then placed on a bridge span and covered with a second layer.
    Type: Grant
    Filed: November 12, 2001
    Date of Patent: June 17, 2003
    Assignee: Pipe Service, Inc.
    Inventors: Fred Dumler, Richard L. Lawrence