US Patent Issued on July 14 for "Tank structures and fluid displacement devices" (Arizona Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,529, issued on July 14.

"Tank structures and fluid displacement devices" was invented by Ernest William Townsend IV (Scottsdale, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bi-level tank includes a transfer tank with a transfer port configured to open and close and a return tank with an upper displacement line port and extending upright from the transfer tank to and beyond the upper displacement line port, the transfer port between the transfer and return tanks. A displacement device is mounted for displacement in a displacement tank having a lower displacement line port. A displacement line coupled between the upper displacement line por...