ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,510, issued on Nov. 25, was assigned to Origin Acoustics LLC (Las Vegas).
"PoE cooling fan" was invented by Joseph Whitaker (Las Vegas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Improvements in a cooling fan are disclosed where power to the fan is provided by the Ethernet connection. The fan module is connected to the Ethernet such that power to the fan is from a portion of the power to the Ethernet is stolen or otherwise parasitically harvested. Depending upon the available Ethernet power, the fan can be powered directly, or from a storage supply such as a battery. The speed of the fan can also be adjusted based on a local temperature sensor. M...