Inogen, Inc., a medical technology company, develops, manufactures, and markets respiratory health products in the United States and internationally. The company offers portable oxygen concentrators used to deliver supplemental long-term oxygen therapy to patients suffering from chronic respiratory conditions. The company offers Inogen One and Inogen Rove, an ambulatory solutions for long-term oxygen therapy; Rove 4, a portable oxygen concentrator; Inogen At Home stationary oxygen concentrators; Simeox airway clearance; batteries; and related accessories. It also rents its products directly to patients. Inogen, Inc. was incorporated in 2001 and is headquartered in Goleta, California.