Patents by Inventor Todd J. de Koning

Todd J. de Koning 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).

  • Non-metallic coupler carrier wear plate for a railcar
    Patent number: 6206214
    Abstract: A railcar coupler carrier wear plate is formed in an “L” shaped section for ease of insertion and replacement in a coupler carrier and for efficient manufacture, the coupler carrier wear plate being retained in the coupler carrier with a bracket arrangement that can be readily affixed to the coupler carrier as by welding and which can also be adapted to protect the coupler carrier wear plate in the event of a coupler override.
    Type: Grant
    Filed: August 20, 1998
    Date of Patent: March 27, 2001
    Assignee: Holland Company
    Inventors: Todd J. de Koning, R. Michael Manley
  • Universal coupler carrier wear plate
    Patent number: 6068146
    Abstract: A self-lubricating plastic coupler carrier wear plate is formed in a generally T-shape having an outer flange and an inner flange conforming to said T-shape, said web being notched proximate said inner flange for adequate clearance with railcar draft gear.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 30, 2000
    Assignee: Holland Company
    Inventors: Robert S. Trent, R. Michael Manley, Todd J. De Koning