Respiratory masks for the prevention of accident or injury; masks for protection against dust; face masks specially adapted for protective sports helmets; all of the foregoing having antimicrobial or antibacterial coatings for the prevention of exposure to Covid-19; gas masks; protective face masks for the prevention of accident or injury that filter at least 95 percent of airborne particles and are not resistant to oil

Nose masks for artificial respiration for medical purposes; Oral masks for artificial respiration for medical purposes; Respiratory masks for respiratory assistance for medical purposes; respiratory masks for artificial respiration; Masks for non-invasive respiration for medical purposes; therapeutic facial masks; Bio therapeutic facial masks; Protective face masks for medical use; Medical respiratory equipment for treating respiratory conditions with a respiratory gas humidifier and connected flow source for delivering high flow rates of air/oxygen mixtures to spontaneously breathing patients via a face mask, a mouth and nose mask or nasal mask; Battery operated, portable medical respiratory equipment for treating respiratory conditions with a respiratory gas humidifier and connected flow source for delivering high flow rates of air/oxygen mixtures to spontaneously breathing patients via a face mask, a mouth and nose mask or nasal mask; Closed, sealed artificial respiratory systems for patients for treating respiratory conditions, comprising apparatus for artificial respiration, a respiratory gas humidifier and a face mask, a mouth and nose mask or nasal mask; Disposable surgical masks; surgical masks; oxygen masks for medical purposes; protective face masks for medical use; pediatric breathing masks for medical purpose; Respiratory masks for artificial respiration; respiratory masks for surgical purposes; Respiratory masks for medical purposes, namely, artificial respiration; respiratory masks for medical purposes; sanitary masks for dust isolation for medical purposes; sanitary masks for virus isolation purposes; sanitary masks for fungus isolation purposes; sanitary masks for germ isolation purposes; sanitary masks for medical purposes; sanitary masks for pollen isolation purposes; Personal protective equipment (PPE), namely, masks for use by medical personnel; electrically heated facial masks for therapeutic purposes; protective face masks for dental use; facial masks for sanitary purposes; cardiopulmonary resuscitation masks; all of the foregoing for use in the prevention or treatment of Covid-19