| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 5 | |
| #2 | China | 4 | |
| #3 | Taiwan | 3 | |
| #4 | United States | 3 | |
| #5 | Australia | 1 | |
| #6 | Brazil | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Wheelchairs and sledges | |
| #2 | Clutches and brakes | |
| #3 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Migaszewski Stefan | 20 |
| #2 | Migaszewski Wiktor | 20 |
| #3 | Migaszewski Franciszek | 20 |
| #4 | Migaszewski Fryderyk | 7 |
| #5 | Janowska Boguslawa | 5 |
| #6 | Janowska Bogusława | 2 |
| #7 | Stefan Migaszewski | 1 |
| #8 | Wiktor Migaszewski | 1 |
| #9 | Franciszek Migaszewski | 1 |
| Publication | Filing date | Title |
|---|---|---|
| TW201831348A | Gearbox clutch support structure | |
| BR112018009878A2 | freewheeling mechanism | |
| WO2017061883A1 | Crank | |
| CN104487336A | Torque transmission ring | |
| WO2014178735A1 | Freewheel mechanism |