Patents by Inventor John R. Giddings

John R. Giddings 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).

  • Variable and bidirectional steam flow apparatus and method
    Patent number: 5823742
    Abstract: A valve apparatus for a turbomachine comprises a manifold casing, a valve lift assembly, and a plurality of valve assemblies. The manifold casing defines a valve inlet chamber and has a top wall and a bottom wall with a plurality of vertically disposed openings through the top wall and a plurality of openings to vertically disposed passages in the bottom wall. The passages each extend away from the bottom wall to a passage exit. The valve lift assembly comprises a plurality of lift bars and a plurality of lift pins. The lift pins extend vertically through the vertically disposed openings at the top wall of the manifold casing.
    Type: Grant
    Filed: December 15, 1995
    Date of Patent: October 20, 1998
    Assignee: Dresser-Rand Company
    Inventor: John R. Giddings