Patents Represented by Attorney Paul A. Kerstein
  • Patent number: 4257485
    Abstract: Sponge iron pellets resulting from gaseous direct reduction of iron ore are stored in bins which include heat monitoring devices which activate at a predetermined temperature, an inert gas supply that distributes cooling fluid into the bins to provide for cooling of the same.
    Type: Grant
    Filed: October 19, 1979
    Date of Patent: March 24, 1981
    Assignee: Pullman Incorporated
    Inventor: Larry A. Coccia
  • Patent number: 4226188
    Abstract: A shear resistant roll restraining means for arresting lateral rolling motion of a railway car including a side bearing upstanding from the truck bolster, a bearing plate structure vertically aligned and abuttably engageable with the side bearing depending from the upwardly and outwardly sloping bottom web of the car body bolster, and a bearing plate coupling having a longitudinal axis extending substantially coaxial with the direction of oscillatory impact loads of the side bearing on the bearing plate.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: October 7, 1980
    Assignee: Pullman Incorporated
    Inventor: Richard C. Snyder
  • Patent number: 4224875
    Abstract: A static switching apparatus for a track vehicle includes a main line track and a switch track which at a switching junction both include a conventional track rail and a specially constructed rail. A switching cam including cam faces is positioned at the junction and includes straight and curved cam surfaces which are selectively engaged by cam followers supported on the vehicle to provide for steering of the vehicle. The cam followers are lowered and raised vertically by fluid extensible devices which also move them in an orbital path into cam surface engagement.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: September 30, 1980
    Assignee: Pullman Incorporated
    Inventors: Willis H. Knippel, Thomas R. Schmitz