Concept Origin
Inspired by Finland's sand battery, Kent began exploring thermal energy storage for agricultural applications.
🔒
Interactive Simulator Restricted
Access to the full Sand Battery investigation series, litigation exhibits, and interactive stakeholder graphs requires member verification.
Administrator login
2022
Initial Conception & First Prototype
First Public Concept Discussion
Presented initial sand battery thermal storage concept to clean-tech peers.
2023
Prototyping & Patent Filing
Balcony Prototype Approved
Built and tested small-scale sand battery prototype with thermocouple data logging.
USPTO Provisional Filing Approved
Filed provisional patent application covering granular thermal storage with embedded heating elements.
2024
Scale-up & Patent Grant
Pilot Scale Testing
Tested larger sand vessel with forced-air heat extraction coil.
USPTO Patent Granted Approved
US Patent No. 12,130,086 B1 officially granted with Kent Nguyen as sole inventor.
Nov 27, 2023
Nov 28, 2023
Nov 29, 2023
Dec 1, 2023
Dec 5, 2023
Dec 15, 2023
Dec 15, 2023
Dec 21, 2023
Jan 3, 2024
Jan 3, 2024
Jan 5, 2024
Jan 9, 2024
Apr 17, 2024
May 29, 2024
Jun 27, 2024
.webp)
Jul 4, 2024
Jul 15, 2024
Press Day
May 21, 2025