ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,495, issued on Dec. 2, was assigned to Ponsse Oyj (Vierema, Finland).

"Method in control of forest machine and control arrangement" was invented by Janne Loponen (Vierema, Finland) and Markku Savolainen (Vierema, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the present arrangement, a forest machine is controlled, which forest machine includes a body (2), a boom (3) in connection with the body (2) and a tool (4) at the end of the boom (3). A sensor (9) arrangement determines in advance the size of utilizable free space (1 1A, 1 1B) starting from the end of the boom (3). This determination includes determining a direction and a length of t...