ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,552, issued on June 9, was assigned to University of Massachusetts (Boston).

"Autonomous submersible sensor apparatus with piston dive control" was invented by Patrick R. Pasteris (Swansea, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lightweight, efficient, autonomous sub-surface water data profiler (10) that can be easily programmed and deployed to collect sample data at a variety of water depths is disclosed. The profiler is a unique, simple-to-use, low-cost design with a low-cost depth control system that allows several dive/surface trips, an Android graphical interface for Bluetooth programming and a deployable antenna for retrieval af...