Inventor

BAI QINGJU

CN2 patents

⚠️ This page may combine multiple inventors who share the name “BAI QINGJU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINA PETROCHEMICAL CORP

1 patent

US6530422B2Mar 11, 2003

Heat exchanger tube, a method for making the same, and a cracking furnace or other tubular heat furnaces using the heat exchanger tube

CHINA PETROCHEMICAL CORP16 citations87

CHINA PETRO CHEMICAL CORP AND

1 patent

US6481492B1Nov 19, 2002

Heat exchanger tube, a method for making the same, and a cracking furnace or other tubular heat furnaces using the heat exchanger tube

CHINA PETRO CHEMICAL CORP AND29 citations84