ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,973, issued on Sept. 23, was assigned to BlackBerry Ltd. (Waterloo, Canada).

"Battery power conservation for asset tracking devices" was invented by Jason Wayne Jantzi (St. Clements, Canada), Ryan Anthony Bivinetto (Houston) and Ryan Michael Parker (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for controlling an asset tracking device and, in particular, determining when an asset tracking device attached to a trailer is in close proximity to a truck. The device may enter a sleep mode when the trailer has been coupled to a truck with an electronic logging device (ELD). Thereafter, the device ceases obtaining a GPS locatio...