ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,781, issued on May 6, was assigned to PIXION BATTERIES INC. (Austin, Texas).

"Hardware and manufacturing methods to coat electrode materials to substrates in secondary ionic battery manufacturing process" was invented by Vikram Devaraj (Austin, Texas) and Varun Devaraj (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A counter-rotating roller system for coating electrode materials includes a roll-to-roll apparatus including a dispensing roller that selectively dispenses a conductive substrate from a substrate roll along a first direction towards a receiving roller. A counter-rotating roller module including a counter-rotating roller is...