Patents Represented by Attorney J. R. Prieto
  • Patent number: 4625440
    Abstract: A tentering apparatus for tensioning a sheet-like member, for example, a membrane used in an electrolyzer. The tentering apparatus includes four clamping assemblies arranged in a picture frame shape configuration with four corner members and a connector member for connecting the clamping assemblies to the corner members and adapted for tensioning the sheet-like member.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: December 2, 1986
    Assignee: The Dow Chemical Company
    Inventors: Hiep D. Dang, Roy L. Hicks, Joel F. M. Leathers
  • Patent number: 4623056
    Abstract: An apparatus for distributing material flow having a distribution chamber defined by an upper receiving section and a lower discharge section integral therewith. The lower section is defined by a plurality of fixed downspouts arranged in a circle and communicating with each other at a portion of their upper end to form a cone with a common apex extending slightly into the receiving section at the central axis. A rotatable chute is positioned axially within the chamber to selectively distribute material flow to any one of the fixed downspouts.
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: November 18, 1986
    Assignee: The Dow Chemical Company
    Inventor: Ronald R. Flaugher