ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,669, issued on Aug. 12.

"Water heater for heating water using various power sources and enhancing energy savings" was invented by Robert L. Bullick (Georgetown, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water heater and a method for heating water using various power sources and enhancing energy savings are disclosed. The water heater includes a first heating element within an inlet pipe. The first heating element draws energy from a first power source to heat water to a first temperature. The water heater further includes a second heating element within an outlet pipe. The second heating element draws power from a second power source to...