| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | China | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Mexico | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Staskelunas David A | 8 |
| #2 | Hoffmann Benjamin R | 8 |
| #3 | Jenness Blair L | 6 |
| #4 | Jenness B L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6212926B1 | Method for spin forming a tube | |
| US5598729A | System and method for constructing wall of a tube |