ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,174, issued on May 27, was assigned to ABB Schweiz AG (Baden, Switzerland).
"Method and an arrangement for producing a segment coil" was invented by Matti Vanska (Vaasa, Finland), Niko Strandstrom (Vaasa, Finland) and Heikki Metsberg (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "The method includes producing a stack of coil loops from a continuous electrical conductor, the coil loops having two parallel straight side portions and two opposite curved end portions connecting the ends of the side portions. A length of each coil loop in the stack of coil loops decreases, whereby a staggered end portion is formed at each end of the stack of co...