| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | China | 2 | |
| #5 | Republic of Korea | 2 | |
| #6 | Norway | 2 | |
| #7 | United States | 2 | |
| #8 | Brazil | 1 | |
| #9 | Canada | 1 | |
| #10 | EAPO (Eurasian Patent Organization) | 1 | |
| #11 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Watts John D | 15 |
| #2 | Watts John Dawson | 4 |
| #3 | Ramos Beverly Watts | 4 |
| #4 | Watts J D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2007089427A2 | Threaded pipe connection | |
| US2003168859A1 | Wedgethread pipe connection | |
| BR0017355A | Threaded pipe connection |