US Patent Issued to Vacuworx Global on April 7 for "Vacuum lifter for lifting objects located in confined spaces below grade" (Oklahoma Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,156, issued on April 7, was assigned to Vacuworx Global LLC (Tulsa, Okla.).

"Vacuum lifter for lifting objects located in confined spaces below grade" was invented by William J. Solomon (Tulsa, Okla.) and Mason Owen (Tulsa, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum lifter of this disclosure includes a spreader bar having a lifting lug at a top end and pad hanger locations at a bottom end; a pair of legs rotatably connected at a corresponding end of the spreader bar, each leg including a foot at a lower end of the leg; each leg having a first locking position in which the foot is below the spreader bar and a second locking positio...