ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,016, issued on May 26.

"Concrete pump water box level sensor" was invented by Joseph Sostaric (Danville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for preventing undue wear on a concrete pump relies upon monitoring a volume of water in a water box for cooling and lubricating pumping seals on a material pumping piston within a material pumping cylinder. The apparatus includes a water level sensor to generate signals corresponding to a water level in the water box. The signals are received at a computing device including a central processing unit (CPU) to apply an algorithm drawn from the memory to determine whether ...