ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,969, issued on March 17, was assigned to Airbus Operations GmbH (Hamburg, Germany).

"Method for pneumatically draining a water supply system" was invented by Hannes Muller (Hamburg, Germany), Michael Rempe (Hamburg, Germany), Frederik Albers (Hamburg, Germany), Frank Schneider (Hamburg, Germany) and Tim Lubbert (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for draining a water supply system onboard an aircraft which supplies water from a central water tank to consumers. Water is supplied by a supply pump from the central water tank through supply lines of a conduit system to consumers. Each consumer is associated with a ...