ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,517, issued on March 31, was assigned to HUSQVARNA AB (Huskvarna, Sweden).
"Lubrication monitoring system" was invented by Jacob Krantz (Lekeryd, Sweden) and Joakim Samefors (Jonkoping, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a lubrication monitoring system (15) configured to monitor a supply of lubricant in a hand-held cutting tool (1) having a cutting unit (3, 5). A lubricant tank (41) and a conduit (45) are configured to duct a flow of lubricant from the tank (41) to the cutting unit (3, 5). The lubrication monitoring system (15) comprises a heating element (29) and a sensor arrangement (31, 33), t...