| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Germany | 3 | |
| #3 | Canada | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Norway | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Finland | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Making metal sheets | |
| #3 | Unspecified technologies | |
| #4 | Pipes | |
| #5 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koskinen Kauno | 13 |
| #2 | Kauno Koskinen | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO9217292A1 | Pipe expanding pliers | |
| WO9217291A1 | Pipe bending plier | |
| FI822792A0 | Polermaskin | |
| ATA397878A | Tool for producing a socket on a pipe with an opening | |
| DE2643034A1 | Flanging tool for pipe sidewall - has spade tool with notch for insertion in pipe hole for withdrawing by threaded stud | |
| GB1155224A | Tools for Joining Branch Pipes to Pipes. | |
| CA913422A | Pliers | |
| CA849256A | Tools for flanging pipes |