| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 22 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Textiles and paper | |
| #4 | Civil engineering | |
| #5 | Transport | |
| #6 | Control | |
| #7 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Special measuring | |
| #3 | Electric motor controls | |
| #4 | Earth drilling | |
| #5 | Sewing | |
| #6 | Motor vehicles | |
| #7 | Venting or aerating devices | |
| #8 | Control or regulating systems | |
| #9 | Measuring length, angles and areas | |
| #10 | Vehicle servicing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hao Minghui | 22 |
| #2 | Hao Shuanghui | 22 |
| Publication | Filing date | Title |
|---|---|---|
| WO2010124577A1 | Electric sewing machine |