US Patent 9836941 Heavy equipment proximity alert system

A proximity alert system for tracking one or more persons in proximity of heavy equipment is provided. The proximity alert system includes a database configured to store identifying data and an identification code of an asset in a worksite, one or more beacons configured to transmit a low energy transmission including an identification code, and one or more receiving units attached to one or more pieces within a worksite configured to detect and transmit data related to the one or more beacons to the database. When an asset is detected as being in dangerous proximity to a piece of equipment, an alert is emitted from the receiving unit.