ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,940, issued on June 24, was assigned to RUFF GMBH (Grafing bei Munchen, Germany).
"Device and method for winding toroidal cores without using a magazine" was invented by Alois Hofer (Grafing bei Munchen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a device and a method for winding toroidal cores One aspect includes a substantially circular needle roller which is arranged on a winding plane substantially parallel to the wire, is rotatably mounted, and can be positioned relative to the toroidal core retaining element such that the needle roller winds a wire section located on the winding plane through and about a to...