Beijing, July 8 -- State Intellectual Property Office of China has received Shandong Institute Of Petrochemical Technology patent application for Device for Realizing Heavy Oil Cold Production by Injecting Natural Gas into Coiled Tubing and Use Method. Li Cui, Dai Xiaodong, Meng Hu, Wang Xiangchun, Tian Lin and Guo Jin developed..

Beijing, July 8 -- Daqing Petrochemical Machinery Plant Co Ltd, China National Petroleum and Cnpc Bohai Equipment Mfg Co Ltd have filed a patent application for Continuous Welding Device and Welding Process for Petrochemical Hydrogenation Reactor. This invention was developed by Zhao Wanli, Bi Lintao, Shu Shijiang, Hou Xiaofeng,..

Beijing, July 8 -- Daqing Petrochemical Machinery Plant Co Ltd; China National Petroleum and Cnpc Bohai Equipment Mfg Co Ltd have filed a patent application for Surfacing Integrated Equipment for Hydrogenation Reactor Shell Ring. This invention was developed by Bi Lintao, Zhang Xin, Li Yuanjun, Chen Xin, Hou Xiaofeng, Han Yongqi..

Beijing, July 7 -- Zhenhai Petrochemical Jianan Engineering has sought patent for Horizontal Heat Exchanger. This invention was developed by Tao Jiang, Hu Xingmiao, Lyu Shuming, Wang Yan, Ren Hongliang, Tang Qiyu, Lyu Bin, Huang Chenyang and Zhou Baifeng. The patent application number is CN202610117271 20260128. The patent pu..

Beijing, July 6 -- Hengli Petrochemical Dalian New Material Technology has submitted a patent application for Energy-saving Recovery System and Method for Directly Supplying Process Condensed Water to Medium-pressure Deaerator. This invention was developed by Cui Yuesheng, Mi Quanlong, Yin Liang, Liu Ze and Wang Zheng. The pa..

Beijing, July 4 -- State Intellectual Property Office of China has published Xuzhou Haitian Petrochemical patent application for Bending Machine for Polypropylene Plate Processing. The invention was developed by Chen Qipan, Li Shaowei, Hu Renying and Li Tengteng. The patent application number is CN202511949569 20251223. The p..

Beijing, July 4 -- State Intellectual Property Office of China has received Qingdao Jinhaisheng Petrochemical Technology patent application for Polyolefin Device Flare Gas Recovery Processing Method and System. Zhang Minghui, Huang Tao, Zhang Mingxiang, Liu Hongmin, Tian Yaqi, Wang Yongyi and Su Bingjie developed the invention. ..