| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 17 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Soldering, welding and flame cutting | |
| #3 | General building constructions | |
| #4 | Unspecified technologies | |
| #5 | Metal-working |
| Publication | Filing date | Title |
|---|---|---|
| GB711729A | Mould for the butt-welding of magnetic metal bars | |
| GB483804A | Improvements in or relating to the butt-welding of bars for concrete work |