ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,956, issued on Oct. 28, was assigned to GSCD CORP. (Miami).

"Gas seal column apparatus with sensor column" was invented by William Louis Kacin (Northport, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas seal column apparatus includes a pump drive motor, a gas seal column, a pump system, a level sensor, and a control box. The gas seal column receives a seal gas for pressurizing the gas seal column. The pump system includes a pump and the gas seal column. The pump system is coupled to the pump drive motor and moves a product through the pump. The level sensor is supported on a sensor column that is separate from the gas seal column to detect...