US Patent 11865261 Respirator mask

A respirator mask that includes a body, a nasal interface, and a mouthpiece. The body defines an exterior surface and an interior space. The mouthpiece includes an inner channel that is insertable into a human mouth, wherein the inner channel extends outward from the exterior surface of the body and defines an opening into the interior space. The nasal interface includes a recessed portion that is recessed into the body and is configured to receive at least part of a human nose. The nasal interface further includes a pair of nozzles, wherein each nozzle of the pair of nozzles is insertable into a nostril of a wearer and defines an opening into the interior space.