Yankuang Energy has obtained patents related to adjustable brackets. The adjustable disassemblable bracket meets different usage requirements.

On March 28, news was released that the National Intellectual Property Administration’s information shows that Yancoal Energy Group Co., Ltd. has applied for a patent named “An Adjustable Disassembly Fixed Frame,” with authorization announcement number CN224049119U and the authorization announcement date being March 27, 2026. The application number is CN202422765222.4, the application publication date is March 27, 2026, the application date is November 13, 2024, and the inventors are Jiang Erhu, Cheng Ge, Shen Dajun, Zhang Jinbao, Zhang Peng, Wang Xianpeng, Li Jiaxing, Fan Yongjia, and Wang Huan. The patent agency is Beijing Hongquan Intellectual Property Agency Co., Ltd., with patent agents Xu Weiqun and Zhao Yunping, and the classification number is E21B19/14.

The patent abstract shows that this application provides an adjustable disassembly fixed frame, which relates to the technical field of fixed frames. The disassembly fixed frame is set in the material storage area, and it includes a vertical rod body, support rod body, and connecting pieces. The vertical rod body and support rod body can be freely combined through the connecting pieces, which include a first sleeve, a second sleeve, and a rotating shaft. The first sleeve is fitted onto the vertical rod body, and the second sleeve is fitted onto the support rod body, with the first sleeve and the second sleeve connected by the rotating shaft, allowing for adjustment of the relative height and angle of the vertical rod body and support rod body. Consequently, the height, width, and shape of the fixed frame composed of the vertical rod body, support rod body, and connecting pieces can all be adjusted, thereby meeting usage requirements under different conditions.

Yancoal Energy was established on September 25, 1997, and was listed on the Shanghai Stock Exchange on July 1, 1998, with both its registered and office locations in Shandong Province. It is a leading coal enterprise in China, with core businesses covering coal and coal chemical industries, possessing significant advantages in the entire coal industry chain, and notable investment value.

Yancoal Energy’s main business includes coal mining, washing and processing, sales, and coal railway transportation, as well as coal chemicals and power business. It belongs to the Shenwan industry classification of coal - coal mining - thermal coal, involving concepts such as thermal coal, coal concepts, and anti-competition.

In 2025, Yancoal Energy’s operating income reached 1449.33 billion yuan, ranking second among six enterprises in the industry, with the industry leader, China Coal Energy, at 1480.57 billion yuan, the industry average at 588.63 billion yuan, and the median at 255.52 billion yuan. In terms of net profit, 2025 saw 142.26 billion yuan, also ranking second in the industry, with the industry leader, China Coal Energy, at 218.39 billion yuan, the industry average at 65.88 billion yuan, and the median at 22.24 billion yuan.

Recent patent situation of Yancoal Energy Group Co., Ltd. is as follows:

No. Patent Title Patent Type Legal Status Application Number Application Date Publication Announcement Number Publication Announcement Date Inventors
1 A Supporting Lifting Transportation Vehicle for Shelters Invention Patent Published CN202610078590.2 2026-01-21 CN121675990A 2026-03-17 Guo Wanli, Su Litang, Chen Xiaofei, Kong Xiangyu, Tian Shengli, Zhou Baolong, Wang Tao, Hu Botao, Niu Guizhi, Li Jie, Cang Kai, Han Xin
2 An Emergency Sealing System and Method for Underground Mine Fires Invention Patent Published CN202610071913.5 2026-01-20 CN121738695A 2026-03-27 Guo Ying, Sun Xuefeng, Liu Xingle, Jiang Xiyin, Liu Jianzhong, Shangguan Liangliang, Fan Liyu, Liang Yuanjian, Hao Changmiao, Sun Chao, Sun Lizhi, Gao Xinke, Ma Ruiyue, Sun Bing
3 A Direct-Acting Energy Storage Mechanism Brake Belt Device and Brake Method for Belt Conveyors Invention Patent Substantive Examination Effective, Published CN202610066350.0 2026-01-19 CN121590908A 2026-03-03 Li Zhichao, Wei Qingshi, Zhu Mingzhou, Lü Ziming, Zhang Xiaoguang, Song Fuyong, Tong Xiaohua, Yang Yang, Lü Ruixiang, Yang Ning, Lü Dongdong
4 Core-Shell-Satellite Structure Microcapsules for Coordinated Management of Thermal Hazards and Gas in Deep Coal Mines and Preparation Method Invention Patent Published CN202610069170.8 2026-01-19 CN121715118A 2026-03-24 Sun Qingchao, Liu Heng, Zhang Zhen, Hou Zhanfeng, Yang Yan, Zeng Xiangfeng, Mu Yutong, Meng Yangyang, Zhou Zhongqiao, Yang Kun, Yan Yushan, Wang Shouhe, Luo Wei, Zhang Tianyu, Liu Zenghui, Ye Zhenlin, Pan Yuhao, Yang Wenyu
5 New Type of Welding Fume Collection Device Invention Patent Substantive Examination Effective, Published CN202610059338.7 2026-01-16 CN121607393A 2026-03-06 Liu Tao, Ma Yuntao, Xin Longquan, Hu Xiuzheng, Hu Min, Li Peiru, Guo Lei, Li Feng, Zhao Zhifei
6 An Intelligent Adjustment System and Method for Belt Deviations in Coal Mines, Electronic Equipment Invention Patent Published CN202512039014.5 2025-12-31 CN121536678A 2026-02-17 Li Ting, Wang Huanwei, Zheng Zhaotu, Chen Lin, Li Qingguo, Miao Feng, Zhang Wenhao, Zhou Zhigang
7 A Material Extrusion Device Invention Patent Published CN202511992013.6 2025-12-26 CN121671069A 2026-03-17 Si Dawi, Wang Yan, Liu Qinglin, Zhu Benyi, Hou Jiahao, Zhao Youhai, Li Yuzhen, Ren Lei, Zhang Dehe, Liu Bin, Hu Xiaoning, Wang Ru, Liang Qingpeng
8 A Slurry Water Treatment Device for Coal Washing and Processing Invention Patent Substantive Examination Effective, Published CN202511979221.2 2025-12-25 CN121449189A 2026-02-03 Hao Quanmin, Zhu Guoqing, Li Zhenan, Bao Sudong, Li Xinxiang, Qian Xiong, Yang Sheng, Zou Lei, Zhang Weishuo, Shi Meng, Xiao Yang, Sang Gangwei
9 A Turning Device for Inner and Outer Diameters of Rubber Rings Invention Patent Published CN202511963215.8 2025-12-24 CN121670769A 2026-03-17 Si Dawi, Lin Weili, Zhu Benyi, Wang Xiuli, Hou Jiahao, Gao Yuewen, Zhao Youhai, Ma Ting, Li Yuzhen, Li Chuanjun, Yan Zhenhua, Zhai Xiujie, Wang Jian
10 A Gas-Controlled Ventilation Device for Coal Mining Working Faces Invention Patent Published CN202511940883.9 2025-12-22 CN121539334A 2026-02-17 Ling Yunzhi, Jia Shaoxiong, Zhai Qingwei, Song Xu, Zhang Decan
11 A Dust Reduction Device for Coal Mining Machines Invention Patent Published CN202511940735.7 2025-12-22 CN121556850A 2026-02-24 Zhao Feng, Ding Qi, Liu Shiping, Sun Xiang, Wei Qiang, Wang Daibin
12 A Multifunctional Integrated Safety Operation Platform Invention Patent Published CN202511941313.1 2025-12-22 CN121698278A 2026-03-20 Wang Chengcheng, Feng Ran, Li Haizhou, Zhang Chen, Li Xinmeng, Zhai Ge, Zhao Hongfu, Zhao Guichao, Han Jizi, Wang Xingjun, Guo Bingchi, Zhang Timeng, Zhang Jin, Bai Changhe
13 A Pressure Monitoring Device for Leaving Pillar along the Roof Invention Patent Published CN202511928934.6 2025-12-19 CN121497433A 2026-02-10 Bao Sudong, He Qiang, Guo Chuanqing, Qin Zhongcheng, Liu Nan, Zhang Feng, Liu Yongle, Fu Kaikai, Wang Tao
14 A Quickly Deployable Portable Water Damage Emergency Sealing Device Invention Patent Substantive Examination Effective, Published CN202511926820.8 2025-12-19 CN121519464A 2026-02-13 Zhong Chongwu, Hao Guowei, Li Jing, Qiu Wuchang
15 A Device to Prevent Belt Deviation for Belt Conveyors Invention Patent Published CN202511929823.7 2025-12-19 CN121536692A 2026-02-17 Chen Guohua, Tian Gang, Liu Yuanyuan, Zhang Jing, Wang Huijun, Kang Feng, Song Shanshan, Zhou Yunsong, Wang Yanan
16 A Screening Device for Coal Mining Invention Patent Substantive Examination Effective, Published CN202511912407.6 2025-12-18 CN121491016A 2026-02-10 Ding Qi, Zhao Feng, Liu Shiping, Wei Qiang, Sun Xiang, Zhao Zhiqiang, Zhang Xianchen
17 An Electrical Switching Unit and Its Application in a Methane Monitoring System for Coal Mine Wind Shafts Invention Patent Published CN202511888275.8 2025-12-15 CN121539752A 2026-02-17 Sun Qingfeng, Guo Ying, Ren Dongdong, Han Xing, Liu Bo, Wang Wei, Zhang Jie, Feng Chen, Zhang Chengtao, Liu Yuhao, Li Shuyuan, Xu Guang
18 A High Foaming Multiplicative Suppressor and Its Preparation Method Invention Patent Published CN202511882981.1 2025-12-15 CN121652821A 2026-03-13 Han Xuehua, Li Yahui, Feng Hao, Tang Chao, Xin Min, Qin Shiling
19 An Explosion-Proof Door Frame for Coal Mine Shafts Invention Patent Substantive Examination Effective, Published CN202511855113.4 2025-12-10 CN121593842A 2026-03-03 Min Xiangsheng, Tang Bo, Yin Qingge, Wang Qingyu, Tian Xudong, Han Xiangdong, Shi Xinhao, Wang Bing, Sun Chao, Zhang Yue, Li Pengfei, Li Wenlong, Mao Qiang, Liu Cheng, Zhang Xingyu
20 A Gas-Water Separation Device Invention Patent Published CN202511845799.9 2025-12-09 CN121648718A 2026-03-13 Chen Dianxing, Wang Shengguo, Zhao Chuanlu, Liu Yu, Jin Yingze
21 An AI Recognition-Based Mine Water Level Monitoring Method, Device, Equipment, and Medium Invention Patent Published CN202511849948.9 2025-12-09 CN121720541A 2026-03-24 Chen Dianxing, Long Yong, Zhao Chuanlu, Liu Yu, Jin Yingze
22 A Segmented Resistance Support System and Method Invention Patent Published CN202511840931.7 2025-12-08 CN121701273A 2026-03-20 Li Wei, Liu Jian, Qi Yuhao, Zhang Jinhu, Han Huijun, Wang Jiuhong, Zhao Qingmin, Zhang Jun, Wei Xuntao, Kang Dan, Zheng Canguang, Zhang Lei
23 Intelligent Monitoring Method and System for the Locking Status of Bottom Doors in Coal Hoppers Invention Patent Published CN202511827228.2 2025-12-05 CN121707439A 2026-03-20 Zhou Heng, Lou Xiangdong, Jiang Jin, Zhou Xin, Wang Bin, Sun Jikang, Jiang Xianxian, Zhu Jinpeng, Zhao Yang, Dong Bo, Song Baoye
24 A Positive Positioning Device for Monorail Suspension Track Connection Invention Patent Substantive Examination Effective, Published CN202511803082.8 2025-12-03 CN121374125A 2026-01-23 Zhou Pengyun, Wang Zhao, Yuan Xin, Liu Guo, Wang Fangzhou, Ma Shuanglong, Zhou Zelong, Du Encong
25 A Three-Band Division Method Based on Filling Isolation at Both Ends of the Coal Mining Working Face Invention Patent Substantive Examination Effective, Published CN202511802354.2 2025-12-02 CN121363451A 2026-01-20 Guo Ying, Jiang Xiyin, Chen Anming, Liang Daofu, Sun Xuefeng, Li Zhiyong, Tian Xianghong, Wu Jianbin, Song Zhaoxue, Fu Wei, Zhao Liang, Hou Yuting, Yan Li, Liu Qu, Zhao Qingshan, Liu Jianzhong, Zhang Chengtao, Zheng Xuan, Gu Shoule, Hou Chunlei
26 An Intelligent Device and Method for Detecting Injection Grouting Effect in Interlayer Mining Cracks Invention Patent Published CN202511795730.X 2025-12-02 CN121558990A 2026-02-24 Wang Yongjun, Meng Fanzhen, Lü Wenmao, Zhang Wenquan, Zhu Xianxiang
27 A Mobile Automated Belt Recovery Equipment for Underground Invention Patent Published CN202511773031.5 2025-11-28 CN121470244A 2026-02-06 Xu Jing, Han Xiangdong, Fan Shoujun, Wang Qingyu, Wei Liangyue, Huo Yutao, Zou Deming, Du Lei, Du Qiang, Yan Yu
28 A Mechanical Underground Battery Car Sand Spraying Device Invention Patent Published CN202511745797.2 2025-11-26 CN121553192A 2026-02-24 Wang Shangshang, Fan Baoguang, Bao Xiaoqing, Yin Wenjian, Liu Guangxu, Xie Cuihong, Chen Xiaoming, Fu Yan
29 Nano-Modified Grouting Materials Based on Loose Water-Saturated Layers, Preparation Methods and Applications Invention Patent Substantive Examination Effective, Published CN202511740442.4 2025-11-25 CN121362000A 2026-01-20 Wang Yongjun, Lü Wenmao, Meng Fanzhen, Wang Jian
30 A Prevention Method for Super Deep Hole Blasting Unloading Wave Coupling of Impact Pressure in Steep Coal Seams Invention Patent Substantive Examination Effective, Published CN202511729702.8 2025-11-24 CN121273328A 2026-01-06 Chen Dayong, Li Binghong, Huang Bingxiang, Wang Chao, Tong Zhi, Gong Tianlei, Gao Weiming, Wang Yanli, Zhao Bo, Du Yugen
31 A Method for Decolorizing Fischer-Tropsch Wax Intermediate Products Invention Patent Published CN202511732210.4 2025-11-24 CN121674109A 2026-03-17 Zhu Mingshuo, Cao Xuejiao, Xue Chenglin, Song Lingpo, Wang Chuanzhi, Feng Qiang, Huang Zhifu, Liu Zhongpan, Lu Xiaoming, Wang Jun
32 A Method for Burying Nitrogen Injection Pipes and Monitoring Bundles in Goaf Areas Invention Patent Substantive Examination Effective, Published CN202511728654.0 2025-11-21 CN121184172A 2025-12-23 Jiang Xiyin, Guo Ying, Chen Anming, Liang Daofu, Hou Chunlei, Liu Jianzhong, Zhao Qingshan, Zhang Chengtao, Gu Shoule, Liu Qu
33 A Mechanical Self-Locking Connecting Device for Mining Cars Invention Patent Substantive Examination Effective, Published CN202511716961.7 2025-11-21 CN121375875A 2026-01-23 Yin Wenjian, Huang Jianli, Bao Xiaoqing, Zhong Chongyan, Xue Jia, Xie Cuihong, Chen Xiaoming, Fu Yan
34 A Wind Control Dust Collector Invention Patent Substantive Examination Effective, Published CN202511710728.8 2025-11-20 CN121322077A 2026-01-13 Guo Ying, Wang Jiuhong, Zhang Zhaoyun, Zhai Wenjie, Fu Yongjie, Fu Wei, Jiang Xiyin, Guo Chuanqing, Xie Huadong, Song Haizhou, Liu Jianzhong, Zhang Chengtao, Liu Qu, Guo Wanli, Shi Yinghua, Chen Jun, Hu Haiyong
35 A Wind Control Dust System and Wind Control Method Invention Patent Substantive Examination Effective, Published CN202511706498.8 2025-11-20 CN121322076A 2026-01-13 Guo Ying, Liu Jian, Wang Jiuhong, Zhang Zhaoyun, Zhai Wenjie, Fu Yongjie, Fu Wei, Jiang Xiyin, Guo Chuanqing, Xie Huadong, Song Haizhou, Liu Jianzhong, Zhang Chengtao, Liu Qu, Guo Wanli, Shi Yinghua, Chen Jun, Li Yunxuan
36 An Intelligent Drill Rod Unloading Device Invention Patent Substantive Examination Effective, Published CN202511697498.6 2025-11-19 CN121451863A 2026-02-03 Gang Luobao, Li Qinghai, Sun Yi, Wang Chuan, Wang Jiao, Zhu Lei, Cui Qing, Li Long, Li Jiarui, Zhou Shengqiang
37 A Coal Bin Cleaning Device Invention Patent Published CN202511697496.7 2025-11-19 CN121626575A 2026-03-10 Sun Yi, Wang Chuan, Li Qinghai, Gang Luobao, Wang Jiao, Zhu Lei, Cui Qing, Yang Boyuan, Li Jiarui, Wang Yang
38 An Over Temperature Water Spraying Protection Device Invention Patent Substantive Examination Effective, Published CN202511675865.2 2025-11-14 CN121158452A 2025-12-19 Yang Yang, Wang Jianying, Shi Kai, Song Fuyong, Li Zhichao, Lü Ziming
39 A Multi-Source Forecast Information Joint Detection and Interpretation System and Method for Deep Solid Resource Mining Invention Patent Substantive Examination Effective, Published CN202511672617.2 2025-11-14 CN121522765A 2026-02-13 Li Dongdong, Chen Lei, Xiao Yaomeng, Ge Xiao, Chen Yong, Sun Qingchao, Li Shidong, Zhang Xiangchao, Su Lijun, Yin Cong, Ren Xuecun, Liu Mingming, Ma Yulin, Li Jia
40 An Experimental Device and Method for a New Type of Flocculant for Coal-Containing Wastewater Invention Patent Published CN202511653597.4 2025-11-12 CN121540673A 2026-02-17 Yu Wenchao, Zhang Heng, Song Ruiling, Wang Ziyang, Xu Wenbo
41 An Intelligent Monitoring and Early Warning System and Method for Geological Disasters in Mining Areas Invention Patent Published CN202511654235.7 2025-11-12 CN121725582A 2026-03-24 Qi Yuhao, Liu Ya, Jiang Yang, Wang Jingyi, Yu Tongzhu, Yang Chuanjiu, Xie Jinsuo, Yang Muzi, Yang Yang, Wu Jun, Pang Zhian
42 A Mobile Seismic Source System and Positioning Excitation Detection Method for Tunnel Boring Machines in Deep Coal Mines Invention Patent Substantive Examination Effective, Published CN202511635115.2 2025-11-10 CN121186850A 2025-12-23 Xiao Yaomeng, Chen Lei, Zhou Bo, Hao Lei, Chen Yong, Cao Hongyi, Li Dongdong, An Ming, Zhang Xiangchao, Li Zhenhuan
43 An Adaptive Diameter Reducing Pressure Relief Drill Tool Invention Patent Substantive Examination Effective, Published CN202511632954.9 2025-11-10 CN121407845A 2026-01-27 Zhu Ning, Sun Hang, Zhang Quan, Wang Lei, Li Peijian, Liu Yong, Yao Zhenhui
44 A Precision Evaluation Method for Inertial Navigation Attitude Algorithms Invention Patent Substantive Examination Effective, Published CN202511633331.3 2025-11-10 CN121453093A 2026-02-03 Chen Qiang, Bian Hefang, Chen Chun, Wang Cuiling, Chang Guobin, Gao Yandong, Tang Conghao, Li Shijin
45 A Concrete Pumping Scheduling Method and System for Long-Distance Construction Invention Patent Substantive Examination Effective, Published CN202511619122.3 2025-11-06 CN121504115A 2026-02-10 Hu Gang, Zhang Zhaoshan, Qian Hengchang, Zhang Jianpeng, Song Xianfeng, Du Zhendong, Li Can, Li Gangqiang, Li Erbin, Bao Sudong, Yue Wei, Li Fangdi, Yin Shuai, Lü Ruixiang, Liu Jingwei, Wang Bin, Xu Lei, Yang Kailin, Ren Hehe, Huang Huang
46 A Fixed Pneumatic Double Arm Handling Device Invention Patent Substantive Examination Effective, Published CN202511605078.0 2025-11-05 CN121202012A 2025-12-26 Si Dawi, Liu Qinglin, Zhu Benyi, Wang Xiuli, Chen Tao, Zhao Youhai, Li Yuzhen, Meng Qingjun, Li Guiqing, Hang Miaomiao, Zhang Kuangjun, Wang Bing, Liang Qingpeng
47 An Independent Flexible Air Duct Cooling Air Supply System Adapted for Hydraulic Supports Invention Patent Published CN202511611659.5 2025-11-05 CN121229163A 2025-12-30 Sun Qingchao, Li Shidong, Yan Xianlei, Liu Heng, Jian Junchang, Yang Wenyu, Cui Xiaochao, Zeng Xiangfeng, Yan Yushan, Wang Shouhe, Zhang Tianyu, Liu Zenghui, Ye Zhenlin, Pan Yuhao, Han Zhiqiang
48 An Adaptive Protective Keyboard Invention Patent Substantive Examination Effective, Published CN202511605613.2 2025-11-05 CN121349315A 2026-01-16 Song Wenhui, Zhai Guangkuang, Liang Maoyu, Sun Qianqian, Zhang Ji, Wang Hua, Wang Jian
49 A Reasonableness Evaluation Method for Critical Early Warning Values of Impact Stress Monitoring in Coal Mine Hazards Invention Patent Substantive Examination Effective, Published CN202511610672.9 2025-11-05 CN121412961A 2026-01-27 Cai Xianfeng, Guo Jianquan, Hao Shinglei, Han Fei, Cai Hui, Wang Fangfang, Jia Xiaodong, Sun Lihui, Zhao Xianping, Li Hua, Zhang Yu
50 A Method for Reusing Gasification Fine Slag Invention Patent Substantive Examination Effective, Published CN202511598934.4 2025-11-04 CN121406388A 2026-01-27 Gao Chunlei, Wang Xingjun, Yu Guangsuo, Chen Yong, Guo Qinghua, Chen Xueli, Wang Yifei, Wang Fucheng

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