Patent 10094395 was granted and assigned to Dyson (company) on October, 2018 by the United States Patent and Trademark Office.
Described is a fan assembly comprising a body comprising an air inlet, an air outlet, and means for generating an air flow through the body. The body has a lower body section and an upper body section capable of rotation relative to the lower body section. The fan assembly also comprises a nozzle for emitting the air flow, and a filter upstream from the air inlet, wherein the upper body section has a seat for supporting the filter such that the filter rotates relative to the lower body section when the upper body section is caused to rotate.