US Patent Issued to HENAN LONGCHENG COAL HIGH EFFICIENCY TECHNOLOGY APPLICATION on May 20 for "Rotary kiln sealing system and rotary kiln equipment" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,921, issued on May 20, was assigned to HENAN LONGCHENG COAL HIGH EFFICIENCY TECHNOLOGY APPLICATION Co. LTD. (Nanyang, China).

"Rotary kiln sealing system and rotary kiln equipment" was invented by Shucheng Zhu (Nanyang, China), Xibin Wang (Nanyang, China), Yanwu Lv (Nanyang, China), Jinfeng Li (Nanyang, China), Fang Li (Nanyang, China) and Yongxing Wang (Nanyang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary kiln sealing system and rotary kiln equipment are provided. The rotary kiln sealing system includes a first housing and a second housing. The second housing is annularly disposed outside the first housing in space, and a first ga...