| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 6 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | Sweden | 5 | |
| #4 | Australia | 2 | |
| #5 | China | 2 | |
| #6 | United States | 2 | |
| #7 | Bulgaria | 1 | |
| #8 | Canada | 1 | |
| #9 | Czechia | 1 | |
| #10 | Denmark | 1 | |
| #11 | Estonia | 1 | |
| #12 | Finland | 1 | |
| #13 | United Kingdom | 1 | |
| #14 | Hungary | 1 | |
| #15 | Poland | 1 | |
| #16 | Slovakia | 1 | |
| #17 | Ukraine | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Servomotors | |
| #4 | Control or regulating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lundqvist Per | 20 |
| #2 | Aldmo Karsten | 4 |
| #3 | Koskinas John | 4 |
| #4 | Stake Sten Goeran | 3 |
| #5 | Bjoerklund Jan Erik | 3 |
| #6 | Hagglund Tore | 1 |
| #7 | Bjorklund Jan Erik | 1 |
| #8 | Astrom K J | 1 |
| #9 | Hegglund T | 1 |
| #10 | Aostroem Karl Johan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2015020897A1 | Pneumatically drivable valve actuator and method of locking a valve closure element relative to a valve body | |
| AU5259800A | Device in a valve | |
| AU6015799A | Pneumatic or hydraulic operating device | |
| EP0846237A1 | Self-adjusting ball valve assembly | |
| US5755427A | Self adjusting ball valve assembly | |
| DK564283D0 | Removal arrangement for removal heating system | |
| GB8409182D0 | A valve arrangement for district heating systems | |
| EP0099362A1 | A method and an apparatus in tuning a pid-regulator. |