Patents by Inventor Douglas M. Kelley

Douglas M. Kelley 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).

  • 3-D structured two-phase cooling boilers with nano structured boiling enhancement coating
    Patent number: 12120851
    Abstract: A thermal management device includes a wicking heat spreader and a boiling enhancement surface feature positioned on at least one interior surface of the wicking heat spreader.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: October 15, 2024
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Dennis Trieu, Ioannis Manousakis, Nicholas Andrew Keehn, Husam Atallah Alissa, Bharath Ramakrishnan, Kathryn M. Oseen-Senda, Douglas Patrick Kelley, Alexis Grace Schubert
  • Yarn tube
    Patent number: 4401283
    Abstract: An improved reuseable yarn tube is illustrated for use in winding yarn such as polypropylene yarn which has at least some degree of elasticity so as to exert a formidable crushing force upon the tube when wound into a package. The yarn tube is illustrated as being manufactured of an injection molded thermoplastic polymer having glass fiber and a compatible coupling agent.
    Type: Grant
    Filed: November 20, 1981
    Date of Patent: August 30, 1983
    Inventor: Douglas M. Kelley