ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,979, issued on Nov. 4, was assigned to Extiel AP LLC (Dallas).

"Method and device for electric pulse fragmentation of materials" was invented by Yuri Kalashnikov (Dubai, United Arab Emirates).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric pulse fragmentation device and method are provided, the device comprising a pulse transformer, one or more buffer capacitors, a plurality of IGBT modules, a storage capacitor, a spark gap, and a fragmentation chamber, the spark gap being defined by spark gap first and second electrodes, the fragmentation chamber comprising fragmentation chamber first and second electrodes. The buffer capacitors are electr...