ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,976, issued on March 31, was assigned to ZAMQUA HOLDING B.V. (Lisse, Netherlands).
"Lifting system" was invented by Fred Baas (Lisse, Netherlands) and Jan Pieter Maarschalk (Lisse, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lifting system comprises a platform (10) with at least one inflatable body (21, 22) which is connected to a fluid conduit (23, 24) for the purpose of receiving an inflating fluid, particularly a gas under increased pressure such as compressed air. In a first aspect the at least one inflatable body (21, 22) is connected for rotation about a rotation axis (H) relative to the platform (10). The inflatable body (21...