Beijing, Sept. 4 -- Hainan Huizhi Petrochemical Fine Chemical Co Ltd has obtained a patent for efficient bag filter. This invention was developed by Qian Yu, Wang Dongyu and Liang Longwei. The patent application number is CN202423162534U 20241220. The patent publication number is CN223615474 (U). International Patent Classifi..

Beijing, Sept. 4 -- Shanghai Shenkai Petroleum Instr Co Ltd and Shanghai SK Petroleum & Chemical Equipment Corp Ltd have been granted a patent for Small Visual Automatic Temperature Adjusting and Controlling Air Bath. This invention was developed by Ye Ming, Xia Liang and Huo Mingqi. The patent application number is CN2024237..

Beijing, Sept. 4 -- Jiangsu Ke Feng Petrochemical Machinery has secured a patent on Multidirectional Slurry Mixing Device. Hu Guiming, Chen Lei, Chen Danggao, Wu Qiong, Cao Heng, Gu Mingquan, Liu Longcheng and Wang Mingxia developed the invention. The patent application number is CN20242395237U 20241216. The patent publicatio..

Beijing, Sept. 4 -- Nantong Sanlian Petrochemical Equipment Mfg Co Ltd has obtained a patent for anti-blocking mixer. This invention was developed by Ji Xiangdong, Zhou Dongwei, Wu Shuisheng and Zhu Saihua. The patent application number is CN202423216306U 20241225. The patent publication number is CN223615795 (U). Internation..

Beijing, Sept. 4 -- Jinxiang Dewei Petrochemical Engineering Tech Co Ltd has secured a patent on Fine Filtration Device for Hydraulic Oil Production. Shang Chuanwei, Wang Weiguo, Xie Yuhua and Du Jianhua developed the invention. The patent application number is CN20242310594U 20241206. The patent publication number is CN22361..