| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Canada | 2 | |
| #4 | Mexico | 2 | |
| #5 | United States | 2 | |
| #6 | Argentina | 1 | |
| #7 | Brazil | 1 | |
| #8 | China | 1 | |
| #9 | Israel | 1 | |
| #10 | Norway | 1 | |
| #11 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Pipes | |
| #4 | Thread cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Staudt John J | 8 |
| #2 | Ashby Charles L | 6 |
| #3 | Olivier Huey P | 5 |
| #4 | Goodson H Dean | 5 |
| #5 | Reeves Doyle E | 1 |
| #6 | Huey Olivier P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6457528B1 | Method for preventing critical annular pressure buildup | |
| CA2401866A1 | Method of assembling pipe joints | |
| CN1375034A | Threaded pipe connection | |
| US6442826B1 | Method for manufacturing a flush/semi-flush threaded connection |