Patents by Inventor Jonathan L GRINHAM

Jonathan L GRINHAM 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: 11890579
    Abstract: An evaporative cooling system includes a porous ceramic body with a plurality of dry channels and a plurality of wet channels. The plurality of dry channels are configured to inhibit transfer of water vapor into the dry channels and include a barrier layer that includes a roughened layer with a features size less than 1000 nm and a hydrophobic chemical modification disposed on the roughened layer. The plurality of wet channels are configured to allow transfer of water vapor.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: February 6, 2024
    Assignee: President and Fellows of Harvard College
    Inventors: Jonathan L. Grinham, Jack Alvarenga, Martin Bechthold, Joanna Aizenberg
  • Publication number: 20220379264
    Abstract: An evaporative cooling system includes a porous ceramic body with a plurality of dry channels and a plurality of wet channels. The plurality of dry channels are configured to inhibit transfer of water vapor into the dry channels and include a barrier layer that includes a roughened layer with a features size less than 1000 nm and a hydrophobic chemical modification disposed on the roughened layer. The plurality of wet channels are configured to allow transfer of water vapor.
    Type: Application
    Filed: February 24, 2022
    Publication date: December 1, 2022
    Inventors: Jonathan L. GRINHAM, Jack ALVARENGA, Martin BECHTHOLD, Joanna AIZENBERG
  • Patent number: 11305235
    Abstract: An evaporative cooling system includes a porous ceramic body with a plurality of dry channels and a plurality of wet channels. The plurality of dry channels are configured to inhibit transfer of water vapor into the dry channels and include a barrier layer that includes a roughened layer with a features size less than 1000 nm and a hydrophobic chemical modification disposed on the roughened layer. The plurality of wet channels are configured to allow transfer of water vapor.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: April 19, 2022
    Assignee: President and Fellows of Harvard College
    Inventors: Jonathan L. Grinham, Jack Alvarenga, Martin Bechthold, Joanna Aizenberg
  • Publication number: 20210308625
    Abstract: An evaporative cooling system includes a porous ceramic body with a plurality of dry channels and a plurality of wet channels. The plurality of dry channels are configured to inhibit transfer of water vapor into the dry channels and include a barrier layer that includes a roughened layer with a features size less than 1000 nm and a hydrophobic chemical modification disposed on the roughened layer. The plurality of wet channels are configured to allow transfer of water vapor.
    Type: Application
    Filed: October 2, 2019
    Publication date: October 7, 2021
    Inventors: Jonathan L GRINHAM, Jack ALVARENGA, Martin BECHTHOLD, Joanna AIZENBERG