Patents by Inventor John D. Brown

John D. Brown 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).

  • Highly efficient cyclone separator
    Patent number: 4316729
    Abstract: A cyclone separator for the removal of entrained solids from gases, the cyclone separator having a barrel portion and a conical portion which cooperatively define a separation chamber, a gas inlet in open communication with the portion of the separation chamber defined by the barrel portion, a gas outlet tube extending centrally, upwardly from the barrel portion, a solids discharge outlet located at the lower end of the conical section, a solids discharge dipleg conduit in open communication with the solids outlet, the geometric parameters of the separator providing high efficiency with minimal erosion.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: February 23, 1982
    Assignee: Texaco Inc.
    Inventors: John P. Mac Lean, J. Edward Cantwell, John D. Brown, Harold D. Hoy
  • Fluidized catalytic cracking reactor
    Patent number: 4220623
    Abstract: A fluidized catalytic cracking unit wherein cyclone diplegs extend from the reactor vessel into the stripping vessel, for reducing the overall height of the unit. Valve means are provided at the lower end of the diplegs to prevent blow by of gas through the diplegs. The diplegs pass through the vent lines.
    Type: Grant
    Filed: March 29, 1978
    Date of Patent: September 2, 1980
    Assignee: Texaco Inc.
    Inventors: Frederick C. Jahnke, John P. MacLean, Dale Williams, John D. Brown