Group 1 - The State Intellectual Property Office of China shows that China National Petroleum Corporation (CNPC) has applied for a patent titled "Control Circuit for Delayed Shutdown of Main Motor During Cooling Fan Failure," with publication number CN121273669A and application date of July 2024 [1] - The patent involves a control circuit that allows for a delayed shutdown of the main motor for 2 hours after a cooling fan failure, enabling production personnel to switch to a backup pump, thereby significantly reducing the likelihood of main motor shutdown due to cooling fan issues [1] Group 2 - According to Tianyancha data, CNPC was established in 1999 and is based in Beijing, primarily engaged in oil and gas extraction [2] - The company has a registered capital of 18,302,097 million RMB and has invested in 1,296 enterprises, participated in 443 bidding projects, and holds 38 trademark records and 5,000 patent records, along with 168 administrative licenses [2]

天眼查资料显示，中国石油化工股份有限公司，成立于2000年，位于北京市，是一家以从事石油和天然 气开采业为主的企业。企业注册资本12173968.9893万人民币。通过天眼查大数据分析，中国石油化工 股份有限公司共对外投资了267家企业，参与招投标项目5000次，财产线索方面有商标信息45条，专利 信息5000条，此外企业还拥有行政许可41个。 来源：市场资讯 国家知识产权局信息显示，中国石油化工股份有限公司取得一项名为"一种硫化型加氢催化剂及其制备 方法"的专利，授权公告号CN119327496B，申请日期为2023年7月。 中石化（大连）石油化工研究院有限公司，成立于2022年，位于大连市，是一家以从事研究和试验发展 为主的企业。企业注册资本338459.08万人民币。通过天眼查大数据分析，中石化（大连）石油化工研 究院有限公司共对外投资了1家企业，参与招投标项目2799次，专利信息4999条，此外企业还拥有行政 许可65个。 声明：市场有风险，投资需谨慎。本文为AI基于第三方数据生成，仅供参考，不构成个人投资建议。 ...