It has accepted applications for 26 invention patents, 21 authorized invention patents, and 11 utility model patents, forming an independent intellectual property patent group. Name Patent number Smoke isolation baffle damper, 2007 ZL200410014178.8 Self-cleaning, self-adjusting building block type combined slurry nozzle, 2007 ZL200410014521.9 Combined gypsum slurry cyclone, 2007 ZL200410014368.X Flow field adaptive demister, 2006 ZL200410014713.