Recently, APPARATUS FOR RETENTION OF MOLTEN MATERIAL OUTSIDE GENERATION IV REACTOR AFTER NUCLEAR POWER PLANT ACCIDENT, invented by Shanghai Nuclear Engineering Research & Design Institute (SNERDI), was granted the patent by the United States Patent and Trademark Office.

The invention related to an apparatus for retention of molten material outside a Generation IV reactor after a nuclear power plant accident which adopts a completely passive cooling design for the core to improve the security of the nuclear power plant. The patent is also applying in Great Britain, South Africa, Brazil, Turkey and other nations or regions.