US Patent 12110220 Tank inverter

In one embodiment, an apparatus comprises an inverter assembly comprising a base plate to interface with a bottom of an upright gas tank; a rotatable shaft; and at least one swing arm coupled to the base plate and the rotatable shaft; wherein the inverter assembly is to pivot about a horizontal axis to swing the base plate and a bottom side of an upright gas tank placed thereon in an upward arc responsive to rotation of the rotatable shaft.