Beijing, March 12 -- Weifang Hongrun Petrochemical Technology has sought patent for Closed-loop Intelligent Regulation and Control Refined Diesel Oil Hydrogenation Filtration Parameter Optimization Method. This invention was developed by Zhang Li, Zhang Jinyong, Gao Jie, Fu Jun and Li Shuai. The patent application number is C..

Beijing, March 12 -- State Intellectual Property Office of China has received Hubei Annaiji Environmental Protection Technology patent application for Device for Rapidly Detecting Moisture Content of Waste Lubricating Oil. Zhang Xiaofeng, Zhang Yaohua and Liu Juan developed the invention. The patent application number is CN20..

Beijing, March 11 -- Shanghai Advanced Research Institute, Chinese Academy of Sciences has submitted a patent application for Lubricating Oil as Well as Preparation Method and Application Thereof. This invention was developed by Zhang Zhaojun, Li Jiusheng and Hu Wenjing. The patent application number is CN202510816342 2025061..

Beijing, March 11 -- State Intellectual Property Office of China has published CSSC-MES Diesel patent application for Method for Preventing Valve Shaft of Low-speed Diesel Engine One-way Valve from Falling Off. The invention was developed by Sun Jiayi, Zhu Zhengjin and Qin Jia. The patent application number is CN202510889290 ..

Beijing, March 11 -- State Intellectual Property Office of China has published Beijing Institute of Petrochemical Technology patent application for Solar Drying Device with Water Collecting Function. The invention was developed by Li Jianli, Zhao Yifei, Hu Tao, Wang Shuyu, Gu Jiajie, Wang Jiayao and Zhang Tianyi. The patent a..

Beijing, March 10 -- Zhejiang University has applied Chinese patent for Multi-source Sensing Lubricating Oil Real-time Demulsibility Prediction Method and System. Wu Xuecheng, Chen Guo, Jin Qiwen, Lin Zhiming, Wu Yingchun and Qiu Kunzan developed it. The patent application number is CN202510752283 20250606. The patent publica..

Geneva, March 10 -- World Intellectual Property Organization has received Zhenhai Petrochemical Jianan Engineering patent application for Residual Oil Hydrogenation System. Tao Jiang, Zhao Zhiyang, Ren Hongliang, Wang Jianliang, Zhou Baifeng, Ma Chenchen and Jie Weiliang developed the invention. The patent application number ..

Geneva, March 10 -- ENEOS Corporation has submitted a patent application for Lubricating Oil Composition. This invention was developed by Hiraoka Takeshi, Oshio Tadashi and Yamamoto Takumi. The patent application number is WO2025JP30146 20250827. The patent publication number is WO2026048883 (A1). International Patent Classif..

Munich, March 7 -- European Patent Office has released Mitsubishi Kakoki KK patent application for Lubricating Oil Purification System and Lubricating Oil Purification Method. This invention was developed by Arai Tsuyoshi and Otani Yoichiro. The patent application number is EP20250199850 20250903. The patent publication numbe..