| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 12 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zhang Dafang | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CN105972095A | Shield bearing structure | |
| CN106195016A | A kind of rolling bearing structure | |
| CN106195011A | A kind of retainer | |
| CN105972096A | Shield bearing | |
| CN105972102A | Ball loading device for bearing | |
| CN105972097A | Bearing structure | |
| CN106224371A | A kind of self-lubricating bearing | |
| CN105972092A | Non-contact bearing | |
| CN105508438A | Bearing end cover | |
| CN105276006A | Bearing block | |
| CN105277167A | Tool for measuring bearing ring | |
| CN105522477A | Machining tool for inner hole of outer ring of bearing |