ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,218, issued on March 17, was assigned to INVOX BELGIUM NV (Diepenbeek, Belgium).
"Valve" was invented by Frank Bartels (Hattingen, Germany) and Juergen Rawert (Cologne, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve for an inhalation device for generation of an aerosol of a medically active liquid may include: a housing, inside this housing a reservoir for storing medically active liquid, downstream from this reservoir a pumping unit for generation of a pressure connected to a means for the delivery of mechanical energy to said pumping unit, and downstream said pumping unit a nozzle; wherein the pumping unit includes a hollow cylind...