Patents by Inventor Bruce M. Bullock

Bruce M. Bullock has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rail car bridge plate
    Patent number: 5845584
    Abstract: A bridge plate assembly for use in moving vehicles between rail cars for loading and unloading has sufficient length to span the space between adjacent rail cars and has sufficient width to accommodate vehicles of varying wheelbase. The plate assembly includes two relatively movable telescoping load bearing members, each of which includes a plurality of spaced tubular members and a support member at each end of each plate member joining the tubular members together.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: December 8, 1998
    Assignee: Standard Car Truck Company
    Inventors: Robert L. Bullock, Bruce M. Bullock
  • Rail car bridge plate
    Patent number: 5596936
    Abstract: A bridge plate assembly for use in moving vehicles between rail cars for loading and unloading has sufficient length to span the space between adjacent rail cars and has sufficient width to accommodate vehicles of varying wheelbase. The plate assembly includes two relatively movable telescoping load bearing members, each of which includes a plurality of spaced tubular members and a support member at each end of each plate member joining the tubular members together.
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: January 28, 1997
    Assignee: Standard Car Truck Company
    Inventors: Robert L. Bullock, Bruce M. Bullock
  • Telescopic bridge plate assembly
    Patent number: 5535681
    Abstract: A bridge plate assembly for use in moving vehicles between rail cars for loading and unloading is of sufficient width to accommodate vehicles of varying wheelbase and includes relatively movable telescopic bridge panel members. One of the panel members has top and bottom face layers bonded to an intermediate low density core. The other panel member is in the form of a hollow shroud which in part encloses the first identified panel member. The relatively movable panel members are biased toward maximum extension and there is a stop for limiting the extension of the panel members.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: July 16, 1996
    Assignee: Standard Car Truck Company
    Inventors: John T. Sarnicki, Bruce M. Bullock
  • Rail car bridge plate
    Patent number: 5515792
    Abstract: A bridge plate assembly for use in moving vehicles between rail cars for unloading and loading has a sufficient length to span the space between adjacent rail cars and has sufficient width to accommodate vehicles of varying wheelbase. The plate assembly includes two load bearing plate members, positioned one on top of another, with one end of each plate member being formed and adapted to be attached to the end of a rail car. Each plate member has top and bottom face layers bonded to an intermediate low density core.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: May 14, 1996
    Assignee: Standard Car Truck Company
    Inventors: Robert L. Bullock, Bruce M. Bullock, Dallas S. Drew, Michael C. Burkitt