US Patent Issued to SUMITOMO HEAVY INDUSTRIES CONSTRUCTION CRANES on Dec. 2 for "Winch drum monitoring device" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,148, issued on Dec. 2, was assigned to SUMITOMO HEAVY INDUSTRIES CONSTRUCTION CRANES Co. LTD. (Tokyo).

"Winch drum monitoring device" was invented by Toshiki Oe (Obu, Japan) and Tatsuya Matsushita (Obu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A winch drum monitoring device that monitors a state of a winch drum includes: a phase detector configured to detect a phase of the winch drum; and a distance detector configured to detect a distance to the winch drum or a distance to a wire rope wound around the winch drum."

The patent was filed on March 29, 2023, under Application No. 18/192,602.

*For further information, including images, chart...