ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,576, issued on June 17, was assigned to Pella Corp..

"Powered pivoting fenestration unit and associated systems and methods" was invented by Todd A. Bernhagen (Pella, Iowa) and Sebastian Tomczyk (Ames, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "Motorized actuators for pivoting fenestration units that include both lock and open/close actuation, are addressed. Such actuators, and associated fenestration systems and methods, may achieve a variety of potential advantages, including egress functionality, ease of operation, active position control, aesthetically pleasing features (e.g., minimal design impact), intuitive controls, and others."

Th...