ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,515, issued on Sept. 15.

"H2O monitoring for all" was invented by Jack Driscoll-Natale (Aptos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for acquiring and publishing water quality data in real time are disclosed. In some embodiments, the techniques can be realized as a water quality monitoring device that can include a temperature sensor configured to acquire temperature data from a body of water, a potential of hydrogen (pH) sensor configured to acquire pH data from the body of water, and an oxidation-reduction potential (ORP) sensor configured to acquire the ORP data from the body of water."

The patent was filed on Dec. 22...