Founded in 1874, Vanman Medical, Germany, is headquartered in Hamburg, the German Economic and Trade Center. It is a German enterprise with a history of more than 140 years and manufactures the earliest non-invasive ventilation equipment in Europe. For 140 years, Germany's Wanman Medical has focused on providing doctors and patients with high-quality medical equipment and system solutions in important medical fields such as sleep diagnosis, sleep therapy, ventilation therapy, and patient masks. The products are well-known for their superb technology and high quality. The services complement each other and improve the treatment efficiency of patients.

In 2013, the sleep and respiratory therapy business of Weinmann, Germany officially joined the Löwenstein Group. In 2016, Germany's Wanmann was officially renamed Löwenstein Medical .