ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,801, issued on April 7.
"Fan" was invented by Yun Yang (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan includes a cage, a first fan blade, a second fan blade, a driving module, a first air guide piece, and a second air guide piece. The cage is hollow. Partition plates are disposed in the cage to divide the cage into a first mounting area for accommodating the first fan blade and a second mounting area for accommodating the second fan blade. The first fan blade is opposite to the second fan blade. The driving module is disposed on the partition plates to drive the first fan blade and the second fan blade to rotate. The partition...