| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Mexico | 1 | |
| #8 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Earth drilling | |
| #3 | Unspecified technologies | |
| #4 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Klementich Erich F | 16 |
| #2 | Banker Edward O | 7 |
| #3 | Suzuki Teruaki | 2 |
| #4 | Bouche Jeffrey Kohlman | 2 |
| Publication | Filing date | Title |
|---|---|---|
| AU8778098A | Tubular connection | |
| US5765836A | Sealing system | |
| US5462315A | Stabilized center-shoulder-sealed tubular connection | |
| US5415442A | Stabilized center-shoulder-sealed tubular connection |