| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Argentina | 2 | |
| #2 | China | 2 | |
| #3 | African Regional Industrial Property Organization | 1 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | Mexico | 1 | |
| #9 | Norway | 1 | |
| #10 | Taiwan | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Servomotors | |
| #3 | Pistons and sealings | |
| #4 | Special measuring | |
| #5 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Van Der Blom Nicolaas | 9 |
| #2 | Blom Nicolaas Van Der | 3 |
| #3 | Nicolaas Der Blom Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN101501335A | A piston-chamber combination |