Sinopec Granted Invention Patent: "A Furnace Tube Limiting Device for Industrial Furnaces and Industrial Furnace"

Securities Star reports that, according to data from the Tianyancha APP, China Petroleum & Chemical Corporation (600028) has recently obtained a new invention patent authorization. The patent is titled “A Limiting Device for Furnace Tubes of Industrial Furnaces and Industrial Furnace,” with the application number CN202110573564.4, and the authorization date is March 24, 2026.

Patent Summary: This invention discloses a limiting device for furnace tubes of industrial furnaces and an industrial furnace, relating to the technical field of industrial furnaces, including: a limiting sleeve that penetrates the wall plate of the industrial furnace; a furnace tube extension tube, one end of the furnace tube extension tube is movably inserted into one end of the limiting sleeve, and the other end of the furnace tube extension tube is used to connect with the free end of the furnace tube; a fixed core rod, one end of the fixed core rod is inserted into the limiting sleeve and is detachably connected to one end of the furnace tube extension tube, while the other end of the fixed core rod connects to the other end of the limiting sleeve and/or the other end of the fixed core rod connects to the outer side of the wall plate; this limiting device, by setting the furnace tube extension tube at the free end of the furnace tube, allows the furnace tube extension tube to move through the limiting sleeve, thereby meeting the movement space requirements of the free end of the furnace tube while also fixing the free end of the furnace tube during transportation through the connection with the fixed core rod, thus protecting the furnace tube.

So far this year, China Petroleum & Chemical Corporation has obtained 1,171 patent authorizations, an increase of 55.31% compared to the same period last year. According to the company’s 2025 annual report financial data, the company invested 15.863 billion yuan in research and development in 2025, a year-on-year increase of 4.26%.

Through big data analysis from Tianyancha, China Petroleum & Chemical Corporation has invested in a total of 269 enterprises and participated in bidding projects 17,727 times; regarding property clues, there are 106 trademark information entries, 87,980 patent information entries, and 1,500 copyright information entries; in addition, the company also holds 41 administrative licenses.

Data source: Tianyancha APP

The above content is organized by Securities Star based on public information and generated by AI algorithms (Internet Information Office Record No. 310104345710301240019), and does not constitute investment advice.