| description of invention | Inventor | Patent No. | Date of patent | Type | detail |
| Production of Corrosion Resistant Coated Rails | Tian Bing;
Zhou Jiazong;
Mei Dongsheng;
Chen Yaping | ZL03117936.3 | 20050504 | Invention | |
| A Hopper Used Inside the Reactor | Sun Zhaohui;
Zhou Jiazong;
Xie Tunliang; | ZL200420032875.1 | 20050420 | Utility Model | |
| Coke Oven Oxygen Lance Heating Nozzle | Xue Nianfu;
Li Yangzhou;
Li Li; | ZL200420032821.5 | 20050420 | Utility Model | |
| Support Plate of the Hopper Used for High Temperature Reactor | Sun Zhaohui;
Zhou Jiazong;
Deng Xiaobo;
Zhang Fan | ZL200420032876.6 | 20050420 | Utility Model | |
| An Ultrasonic Automatic Inspection Device | Peng Hongliang;
Ma Pingan;
Li Yanghui; Huang Yuanmei | ZL200320114968.4 | 20050406 | Utility Model | |
| A Thermalcouple | Sun Zhaohui;
Wang Kuihan;
Deng Xiaobo; Zhang Fan | ZL200420032886.X | 20050330 | Utility Model | |
| Methods for Producing Vanadium Nitride | Sun Zhaohui; Zhou Jiazong;
Xie Tunliang; Zhang Fan | ZL01139886.8 | 20050330 | Invention | |
| Methods for Heating High Carbon Large Steel Billets or Ingots | Liu Ming;
Zhou Yiping;
Jia Jihai;
Yao Yongguo | ZL03117410.8 | 20050307 | Invention | |
| Alcohol Bottle Cap | Hu Xiao;
Li Songchang; | ZL200420033180.5 | 20050216 | Utility Model | |
| Sealing Apparatus for Steel Pipe Wall Thickness Ultrasonic Inspection System | Zhang Fan;
Li Yanghui;
Tang Hui;
Zhao Guoli; | ZL200420032978.8 | 20050202 | Utility Model | |
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