| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 9 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | EPO (European Patent Office) | 5 | |
| #4 | China | 3 | |
| #5 | Republic of Korea | 3 | |
| #6 | United States | 2 | |
| #7 | Hungary | 1 | |
| #8 | Serbia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Basic materials chemistry | |
| #4 | Materials and metallurgy | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Producing goods from plastic | |
| #3 | Venting or aerating devices | |
| #4 | Certain plastics | |
| #5 | Building materials | |
| #6 | Fillers | |
| #7 | Coating compositions | |
| #8 | Unspecified technologies | |
| #9 | Vehicle tyre repairing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Penkkimäki Pekka | 18 |
| #2 | Penkkimaeki Pekka | 7 |
| #3 | Penkkimaki Pekka | 5 |
| Publication | Filing date | Title |
|---|---|---|
| FI128951B | Venting valve and method of mounting valve stem of venting valve | |
| FI128950B | Venting valve and method of mounting valve stem of venting valve | |
| FI128331B | Venting valve | |
| CN110520285A | Valve insertion piece and air bleeder valve | |
| EP3481624A1 | Valve insert, air venting valve and method | |
| CN108698346A | The vulcanization plant of vehicle tyre | |
| EP2976199A1 | Air venting valve | |
| EP2173532A1 | Air venting valve of vulcanising mould and method for removing air from a vulcanising mould |