| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 7 | |
| #2 | China | 5 | |
| #3 | EPO (European Patent Office) | 4 | |
| #4 | Mexico | 3 | |
| #5 | Brazil | 2 | |
| #6 | Canada | 2 | |
| #7 | Hungary | 2 | |
| #8 | Israel | 2 | |
| #9 | Slovakia | 2 | |
| #10 | African Regional Industrial Property Organization | 1 | |
| #11 | Australia | 1 | |
| #12 | Czechia | 1 | |
| #13 | EAPO (Eurasian Patent Organization) | 1 | |
| #14 | Hong Kong | 1 | |
| #15 | New Zealand | 1 | |
| #16 | African Intellectual Property Organization | 1 | |
| #17 | Ukraine | 1 | |
| #18 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Vehicle servicing | |
| #4 | Pistons and sealings | |
| #5 | Pumps | |
| #6 | Springs | |
| #7 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Van Der Blom Nicolaas | 14 |
| #2 | Blom Nicolaas Van Der | 12 |
| #3 | Vanderbrom N | 2 |
| #4 | Van Der Blom | 1 |
| #5 | Blom N V D | 1 |
| #6 | Nicolaas Der Blom Van | 1 |
| #7 | Nicolaas Van Der Blom | 1 |
| Publication | Filing date | Title |
|---|---|---|
| MXPA00004945A | Valve actuator. | |
| CZ20001785A3 | Inner tube valve control element | |
| EP0807036A1 | Valve connector |