Patents by Inventor Christopher J. Rosenker

Christopher J. Rosenker 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).

  • Cyclone and methods of manufacture thereof
    Patent number: 11577258
    Abstract: A cyclone includes a hollow cylindrical upper portion and a hollow conical lower portion having an inclined wall and a base wall. The base wall and the inclined wall are continuous contact with each other, and the inclined wall of the hollow conical lower portion is in continuous contact with an outer wall of the hollow cylindrical upper portion. A total cyclone height is from about 10 to about 30 millimeters, and a ratio of the total cyclone height to an inner diameter of the hollow cylindrical upper portion is from about 0.7 to about 1.3. An angle between an inner surface of the base wall and an inner surface of the inclined wall is from about 110 to about 130 degrees.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: February 14, 2023
    Assignee: The Johns Hopkins University
    Inventors: Brian E. Damit, Plamen A. Demirev, Elizabeth C. Corson, Felix C. Sage, Benjamin B. Alvarez, Charles A. Fancher, Kelly A. Van Houten, Christopher J. Rosenker
  • CYCLONE AND METHODS OF MANUFACTURE THEREOF
    Publication number: 20210316318
    Abstract: A cyclone includes a hollow cylindrical upper portion and a hollow conical lower portion having an inclined wall and a base wall. The base wall and the inclined wall are continuous contact with each other, and the inclined wall of the hollow conical lower portion is in continuous contact with an outer wall of the hollow cylindrical upper portion. A total cyclone height is from about 10 to about 30 millimeters, and a ratio of the total cyclone height to an inner diameter of the hollow cylindrical upper portion is from about 0.7 to about 1.3. An angle between an inner surface of the base wall and an inner surface of the inclined wall is from about 110 to about 130 degrees.
    Type: Application
    Filed: September 1, 2020
    Publication date: October 14, 2021
    Inventors: Brian E. Damit, Plamen A. Demirev, Elizabeth C. Corson, Felix C. Sage, Benjamin B. Alvarez, Charles A. Fancher, Kelly A. Van Houten, Christopher J. Rosenker