ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,733, issued on March 25.
"Chainsaw mill and mill attachments" was invented by John Michael Blake (La Honda, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control system automates operations of a chainsaw mill. The chainsaw mill has at least one powerhead, and at least one travel motor that mechanically engages with a drive belt to drive the at least one powerhead along a guide track. A tension sensor measures tension on the drive belt, and a powerhead sensor produces a revolutions per minute (RPM) measurement of the at least one powerhead. A powerhead controller is responsive to the RPM measurement for controlling the powerhead's throttle...