Patents by Inventor James Cranwell

James Cranwell 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).

  • Wastewater heat recovery systems
    Patent number: 12693080
    Abstract: The heat exchanger tray provided herein may include a base, a cover, and a heat exchange coil. The base may include a cutout and a bottom portion with one or more sidewalls forming a serpentine path for wastewater. The cover may be positioned within the cutout of the base to create a space between the base and the cover. The cover may include one or more protruding portions that engage with the one or more sidewalls of the bottom portion of the base to enclose the serpentine path. The heat exchange coil may be positioned in and along at least a portion of the serpentine path between the base and the cover. Fresh water may flow through the heat exchange coil. Wastewater may flow through the serpentine path between the base and the cover, such that the wastewater may heat the fresh water flowing through the heat exchange coil.
    Type: Grant
    Filed: January 9, 2024
    Date of Patent: July 28, 2026
    Assignee: Kohler Mira Limited
    Inventors: Sean Conway, Oliver Jones, Steven Richard Sandell, James Cranwell, Bradley Edwards
  • WASTEWATER HEAT RECOVERY SYSTEMS
    Publication number: 20240230243
    Abstract: The heat exchanger tray provided herein may include a base, a cover, and a heat exchange coil. The base may include a cutout and a bottom portion with one or more sidewalls forming a serpentine path for wastewater. The cover may be positioned within the cutout of the base to create a space between the base and the cover. The cover may include one or more protruding portions that engage with the one or more sidewalls of the bottom portion of the base to enclose the serpentine path. The heat exchange coil may be positioned in and along at least a portion of the serpentine path between the base and the cover. Fresh water may flow through the heat exchange coil. Wastewater may flow through the serpentine path between the base and the cover, such that the wastewater may heat the fresh water flowing through the heat exchange coil.
    Type: Application
    Filed: January 9, 2024
    Publication date: July 11, 2024
    Inventors: Sean Conway, Oliver Jones, Steven Richard Sandell, James Cranwell, Bradley Edwards