Inogen, Inc. is a global medical technology company offering respiratory products for use in the homecare setting. The Company partners with patients, prescribers, home medical equipment providers, and distributors to make its respiratory therapy products available. It develops, manufactures, and markets respiratory health products, including portable oxygen concentrators (POCs), used to deliver supplemental long-term oxygen therapy to patients suffering from chronic respiratory conditions and the Simeox product for airway clearance treatment. It also distributes the Inogen Voxi 5 stationary oxygen concentrator as well as the Aurora continuous positive airway pressure (CPAP) masks in the United States. Its proprietary Inogen One and Inogen Rove POC systems concentrate the air around the patient to offer a source of supplemental oxygen 24 hours a day, seven days a week with a battery and can be plugged into an outlet when at home, in a car, or in a public place with outlets available.