| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Colombia | 1 | |
| #3 | EAPO (Eurasian Patent Organization) | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Republic of Korea | 1 | |
| #6 | Mexico | 1 | |
| #7 | Norway | 1 | |
| #8 | New Zealand | 1 | |
| #9 | African Intellectual Property Organization | 1 | |
| #10 | Poland | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Punching metal | |
| #3 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wentzel Louis Martin | 10 |
| #2 | Louis Martin Wentzel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| PL377352A1 | Knock-down drums |