Seoul, Nov. 20 -- Econix Co Ltd has sought patent for DPF filter DPF unit for easy removal of diesel particulate matter. This invention was developed by Jung Hong Seok, Yi Sang Kyoung, Kim Sang Yeol, Kim Yoon Sik and Kim Eui Suk. The patent application number is KR20210008510 20210121. The patent publication number is KR20220..

Beijing, Nov. 19 -- Jiangsu Ouerqi Filter Tech has been granted a patent for efficient and rapid engine oil filter with filter element easy to replace. This invention was developed by Chen Chunzi, Niu Jianguo, He Bo, Hu Yaolong and Li Yong. The patent application number is CN202322265997U 20230823. The patent publication numb..

Seoul, Nov. 20 -- Hanwha Totalenergies Petrochemical has sought patent for method for ethylene oligomerization. This invention was developed by Cho Kyesung, Lee Jinwoo, Lee Bun Yeoul and Lee Dong Geun. The patent application number is KR20210009462 20210122. The patent publication number is KR20220106490 (A). International Pa..

Beijing, Nov. 19 -- Chengdu Shuguang Petrochemical has been granted a patent for exhaust emission system. This invention was developed by Yang Zhengyi. The patent application number is CN202322188042U 20230815. The patent publication number is CN220633663 (U). International Patent Classification codes are B01D53/04, B01D53/30..

Beijing, Nov. 19 -- Qingyang Yulong Energy Chemical has received a patent for cooling device for petrochemical industry production. This invention was developed by Chen Xiayi, Ren Ke, Zhao Pingrui and Li Zezhen. The patent application number is CN202321934141U 20230721. The patent publication number is CN220633954 (U). Intern..

Beijing, Nov. 19 -- Dongguan Shanshan Lubricating Oil Tech has secured a patent on mixing kettle for lubricating oil production. Xin Peiyin developed the invention. The patent application number is CN202321572336U 20230620. The patent publication number is CN220633872 (U). International Patent Classification codes are B01F27/..

Beijing, Nov. 19 -- Shandong Wanxiang Lubrication Tech has obtained a patent for purification device for lubricating oil processing This invention was developed by Xu Fuyin. The patent application number is CN202322238954U 20230821. The patent publication number is CN220633373 (U). International Patent Classification code is ..

Beijing, Nov. 19 -- State Intellectual Property Office of China has awarded Wuhai Zhongchuang Liansheng New Mat a patent for waste lubricating oil regeneration tank. Li Feng developed the invention. The patent application number is CN202321465126U 20230609. The patent publication number is CN220633366 (U). International Paten..

Beijing, Nov. 18 -- State Intellectual Property Office of China has awarded Xinxiang Lukaitong Hydraulic Trans Machinery a patent for diesel oil quantity alarm switch. Hou Jinhe and Shang Yanmei developed the invention. The patent application number is CN202322383957U 20230904. The patent publication number is CN220625452 (U)..

Taipei, Nov. 18 -- Huntsman Petrochemical has submitted a patent application for recovery of maleic anhydride. Uehlinger Michael F developed the invention. The patent application number is TW20230131072 20230818. The patent publication number is TW202419445 (A). International Patent Classification codes are B01D11/00, B01D53/..

Taipei, Nov. 16 -- Taiwan Patent Office has published Grace W. R. Grace application for fcc process useful for production of petrochemicals. The invention was developed by Hu Ruizhong, Yuan Guang, Cheng Wu-Cheng, Singh Udayshankar, Bryden Ken and Purnell Scott. The patent application number is TW20230124291 20230629. The pate..

Beijing, Nov. 15 -- Shaanxi Weineng Inspection Consulting has received a patent for petrochemical equipment inspection device. This invention was developed by Xu Jing, Zhao Feng, Liu Qing and Zhang Kai. The patent application number is CN202322422022U 20230906. The patent publication number is CN220623454 (U). International P..

Beijing, Nov. 15 -- Chinese Patent for reversing valve has been issued to Hebei Daneng Kechuang Petrochemical Equipment. This invention was developed by Guo Bao, Xu Jiaxin and Xu Haotian. The patent application number is CN202322397679U 20230905. The patent publication number is CN220622831 (U). International Patent Classific..

Beijing, Nov. 15 -- Shenyang Xinlian Petrochemical Equipment has received a patent for clamp type quick-opening blind plate. This invention was developed by Gao Yang, Zhuang Lei, Liang Yan, Tong Xiujuan, Liu Zhigang, Zhao Jingchao, Liu Haotian, Xu Yong, Wang Sihui, Su Ming and Feng Yu. The patent application number is CN20232..

Beijing, Nov. 15 -- Yunnan Yuntianhua Petrochemical has received a patent for crosshead sealing structure for diaphragm metering pump and diaphragm pump thereof. This invention was developed by Fu Shiyong, Zhang Hongbin, Hu Zezhong and Wu Anzhi. The patent application number is CN202321781402U 20230707. The patent publication..

Beijing, Nov. 14 -- State Intellectual Property Office of China has awarded Sichuan Jinshang Environmental Protection Tech a patent for system for producing low-condensation-point biodiesel from waste animal and vegetable oil. Xu Xing, Ye Bin and Shi Shuxun developed the invention. The patent application number is CN202321814..