| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 26 | |
| #2 | United Kingdom | 2 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Gearing | |
| #3 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Otto Donner Hans | 7 |
| #2 | Donner Hans O | 4 |
| #3 | Heikki Aarnio Risto | 3 |
| #4 | Hans Donner | 3 |
| #5 | Georg Muselius | 2 |
| #6 | Allan Nironen | 1 |
| #7 | Thomas Carlson Carl | 1 |
| #8 | Rantaniemi | 1 |
| #9 | Vaeinoe Rantaniemi | 1 |
| #10 | Muselius Georg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB734628A | Master connecting-rods for multi-cylinder internal combustion engines | |
| DE964910C | Connecting rod with auxiliary connecting rods for multi-cylinder piston engines | |
| GB718756A | Method of drilling rock or like hard material and device therefor |