Inogen, Inc. is a medical technology company, which provides respiratory products for use in the homecare setting. The Company primarily develops, manufactures, and markets portable oxygen concentrators used to deliver supplemental long-term oxygen therapy to patients suffering from chronic respiratory conditions. Its Inogen One systems concentrate the air around the patient to offer a single source of supplemental oxygen with a single battery and can be plugged into a power outlet as needed. All of its Inogen One systems are equipped with Intelligent Delivery Technology, a form of pulse-dose technology, from which the patient receives a bolus of oxygen upon inhalation. It has also launched Inogen Connect, a wireless connectivity platform for the Inogen One G4 and Inogen One G5 (portable oxygen concentrators) consisting of a front-end mobile application for use by long-term oxygen therapy users and a back-end database portal for use by homecare providers.