| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 3 | |
| #2 | Brazil | 2 | |
| #3 | Denmark | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Hungary | 2 | |
| #6 | Slovakia | 2 | |
| #7 | Australia | 1 | |
| #8 | Czechia | 1 | |
| #9 | Finland | 1 | |
| #10 | Norway | 1 | |
| #11 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Vehicle servicing | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Van Der Blom Nicolaas | 10 |
| #2 | Blom Nicolaas Van Der | 6 |
| Publication | Filing date | Title |
|---|---|---|
| DK11897A | valve coupling | |
| AU4534496A | Valve connector | |
| GB9518558D0 | Valve connector | |
| DK12595A | valve coupling |