ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,937, issued on June 24, was assigned to ROSEN 2 Holding AG (Stans, Switzerland).
"Underwater motor module for a water sports device" was invented by Hermann Rosen (Kastanienbaum, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An underwater motor module for a water sports device is provided, which forms at least one flow channel each having at least one inlet opening and an outlet opening. The underwater motor module has a motor which is in the form of an internal rotor motor and comprises a hollow rotor, which concomitantly forms the flow channel by way of its inner side. On the outer side of the motor directed away from the flow channel...