Patents by Inventor William G. Ellsworth

William G. Ellsworth 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: 4246231
    Abstract: An apparatus for effecting chemical reactions in the presence of fluidized solids comprising at least one centrifugal separator for removing entrained solids from effluent gas, a dip-leg depending from the separator for returning separated solids to the fluidized system, and a unidirectional valve at the lower end of the dip-leg which is protected from erosion damage by a conical shroud.
    Type: Grant
    Filed: March 27, 1979
    Date of Patent: January 20, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventors: Robert G. Figler, William G. Ellsworth, Richard J. Misiorowski