| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | China | 3 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | Mexico | 2 | |
| #6 | Norway | 2 | |
| #7 | Australia | 1 | |
| #8 | EAPO (Eurasian Patent Organization) | 1 | |
| #9 | Egypt | 1 | |
| #10 | Malaysia | 1 | |
| #11 | Ukraine | 1 | |
| #12 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Earth drilling | |
| #3 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bailey Andyle Gregory | 8 |
| #2 | Breihan James | 8 |
| #3 | Hegler Matthew | 7 |
| #4 | Langford Steven C | 6 |
| #5 | Bailey Gregory Andyle | 6 |
| #6 | Delange Richard W | 4 |
| #7 | James Breihan | 3 |
| #8 | Matthew Hegler | 3 |
| #9 | Andyle Gregory Bailey | 2 |
| #10 | Hegler Metthew | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN102224368A | Oilfield threaded connections | |
| CN103791181A | Oilfield tubular joint with improved compression performance | |
| EP1755821A1 | Method and apparatus for sealing radially expanded joints |