Patents by Inventor David R. Doster

David R. Doster 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).

  • Patent number: 9248495
    Abstract: A platform mountable in a lower part of a die casting machine below the platens. The platform includes at least one pair of first and second coupled plates, the first plate affixed to an underlying base of the platform. The second plate is movable between first retracted positions overlaying the first plate to a second extended end-to-end co-planar position relative to the first plate to form an elongated co-planar platform surface. The base can support two pairs of coupled and longitudinally spaced first and second plates. An actuator coupled to each second plate for moving each second plate between the first retracted position and the second extended position.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: February 2, 2016
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: David R. Doster, Jeffery L. Butler