ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,051, issued on Sept. 16, was assigned to Roam Technologies Pty Ltd. (Carlton, Australia).
"Oxygen concentrator" was invented by Shan-Shan Wang (Sydney), Eugene Weng Hong Lai (Sydney), Sisi Zheng (Sydney), Jay Reginald Flack (Sydney), Jeremy Travis Kwarcinski (Sydney), Natalie Etain Ho (Sydney) and Gavin Dean May (Sydney).
According to the abstract* released by the U.S. Patent & Trademark Office: "A handheld portable oxygen concentrator device is disclosed. The device may comprise a first column and a second column, a product buffer, a plurality of valves in fluidly coupling the first column, the second column, the one or more pumps, and the product buffer. The device may compris...