| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | Switzerland | 2 | |
| #3 | Netherlands | 2 | |
| #4 | Germany | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Forging | |
| #2 | Making metal sheets | |
| #3 | Punching metal | |
| #4 | Unspecified technologies | |
| #5 | Soldering, welding and flame cutting | |
| #6 | Making forged metal products |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lubbers Marius Hendrik | 3 |
| #2 | Geffen Johannes Adrianus Van | 2 |
| #3 | Van Geffen J A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL8104774A | Fluid drill. | |
| NL8101502A | Producing collared bore in thin metal - using friction drilling after securing strip or disc to surface to provide material for collar |