Inogen Inc (NASDAQ: INGN) is a medical technology company that develops, manufactures, and markets portable oxygen concentrators and related respiratory health products for patients with chronic respiratory conditions. Revenue comes from direct-to-consumer sales, business-to-business sales through home medical equipment providers, and rental of portable oxygen concentrators, with products sold in the United States and internationally. Core products include the Inogen One and Inogen Rove portable oxygen concentrator systems, the Inogen At Home and Voxi 5 stationary oxygen concentrators, the Simeox airway clearance device, and Aurora CPAP masks. The company targets patients suffering from COPD, bronchiectasis, and other chronic respiratory conditions requiring long-term supplemental oxygen therapy. Inogen holds trademark registrations across more than 30 countries and competes in a market where traditional oxygen delivery relies on compressed gas tanks and stationary concentrators.

Revenue model

Inogen generates revenue through product sales directly to patients and through business-to-business sales to home medical equipment providers, plus rental income from portable oxygen concentrators. Reimbursement from Medicare, Medicaid, and private insurers is a material factor in end-market demand, as disclosed in the FY2025 10-K filed 2026-02-27.

Products and services

Portable oxygen concentrators: Inogen One G3, Inogen One G4, Inogen One G5, Inogen Rove, Inogen Rove 4, Inogen Rove 6. Stationary oxygen concentrators: Inogen At Home, Inogen Voxi 5. Airway clearance device: Simeox (targets bronchiectasis patients). CPAP masks: Aurora. Wireless connectivity platform: Inogen Connect (mobile app for patients, portal for homecare providers). Proprietary Intelligent Delivery Technology (pulse-dose oxygen delivery).

Customers and end markets

End patients with chronic respiratory conditions including COPD, bronchiectasis, and other conditions requiring long-term supplemental oxygen therapy. Home medical equipment providers as business-to-business channel partners. Healthcare providers and homecare providers accessing the Inogen Connect back-end portal.

Value-chain role

Vertically integrated developer, manufacturer, and direct marketer of respiratory health devices. Sells both direct-to-consumer and through home medical equipment provider intermediaries. Also rents equipment directly to patients.

Geographic exposure

United States (primary market, including direct-to-consumer and HME channel). International presence with trademark registrations in more than 30 countries including major European markets, Canada, Australia, Japan, China, South Korea, and others, as disclosed in the FY2025 10-K filed 2026-02-27.

Competitors

home medical equipment providers (referenced as channel partners and competitive alternatives in the FY2025 10-K)

Source: SEC 10-K, filed 2026-02-27

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