2. Invention patent "High-pressure micro-gap lubrication tester", patent number: 200810123328.7;
3. Invention patent "Multifunctional Micro Friction and Wear Tester", patent number: 200610097685.1;
4. Invention patent "A steel wire fretting fatigue tester and method", patent number: 200910182122.6;
5. Invention patent "A reliable disc brake for hoist", patent number: 200910025508.6;
6. Invention patent "Method and device for testing steel wire deformation in steel wire rope strand", patent number: 201010250284.1;
7. Invention patent "An end-face torsional friction and wear tester and method", patent number: 20110039814.2;
8. Invention patent "A test method and device for monitoring fretting fatigue state of steel wire", patent number: 20110195119.5;
9. Invention patent "Preparation process of bionic material combining bionic cartilage material with hard surface substrate", patent number: 20121002149.4.