| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | Canada | 4 | |
| #4 | Norway | 3 | |
| #5 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Unspecified technologies | |
| #3 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Slavens Clyde M | 19 |
| #2 | Cunningham Joseph A | 1 |
| #3 | Cunningham J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO8505302A1 | Welding groove tracking apparatus | |
| WO8505303A1 | Welding head apparatus | |
| EP0168433A1 | Track for welding carriage and locator apparatus therefor | |
| US4525616A | Internal pipe welding apparatus | |
| US3747394A | Pipe mandrel for use during bending |