| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Brazil | 2 | |
| #3 | China | 2 | |
| #4 | Spain | 2 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Italy | 1 | |
| #11 | Republic of Korea | 1 | |
| #12 | Mexico | 1 | |
| #13 | Norway | 1 | |
| #14 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mann Brian | 11 |
| #2 | Palm Edward B | 7 |
| #3 | Brian Mann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5390573A | Fastening system for torque limited fasteners | |
| US5282707A | Fastening system for locking nut with torque indicating marks | |
| EP0237035A2 | Method of and tool for thread mill drilling |