ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,646, issued on Sept. 29, was assigned to Black & Decker Inc. (New Britain, Conn.).
"Power tool" was invented by David C. Tomayko (Ellicott City, Md.), Tyler J. Petrus (Baltimore) and Abhinav Jayakumar (Towson, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool includes a housing, a motor, an output spindle, a rotary impact assembly configured to transmit rotational motion with intermittent rotational impacts from a cam shaft to the output spindle, and a transmission."
The patent was filed on April 28, 2025, under Application No. 19/191,905.
*For further information, including images, charts and tables, please visit: http://patft.uspt...