ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,698, issued on March 31, was assigned to Sustainable Business & Engineering Solutions GmbH (Untersiggenthal, Switzerland).

"Multi-tube burner system for efficient mixing of fuel and air for combustion" was invented by Andre Theuer (Baden, Switzerland), Naresh Kumar Aluri (Untersiggenthal, Switzerland), Panduranag Reddy Alemela (Turgi, Switzerland), Suresh Munivenkatareddy (Bengaluru, India) and Rahul Singh Chauhan (Delhi, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-tube burner system for efficient mixing of fuel and air for combustion is disclosed. The multi-tube burner system includes an air supply plenum, a multi-tube burner, and...