| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 7 | |
| #2 | EPO (European Patent Office) | 6 | |
| #3 | United States | 5 | |
| #4 | Czechoslovakia | 2 | |
| #5 | Hungary | 2 | |
| #6 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #7 | Brazil | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Vehicle brake control systems | |
| #5 | Unspecified technologies | |
| #6 | Clutches and brakes | |
| #7 | Steam traps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nelander Ake | 6 |
| #2 | Oevall Lars | 4 |
| #3 | Lhota Jiri Eduard Josef | 3 |
| #4 | Lhota J E J | 2 |
| #5 | Lhota Jiri E J | 2 |
| #6 | Larsson A | 2 |
| #7 | Larsson Anders M | 2 |
| #8 | Ovall Lars | 2 |
| #9 | Scheffler M | 1 |
| #10 | Karlsson Lars | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0359193A2 | An air drier valve | |
| SE8803715D0 | AIR DRYING TOWER | |
| EP0290099A2 | An inlet valve in a two-tower air drier | |
| EP0272738A2 | A method and system for controlling a compressed air flow in an air drier | |
| EP0274781A2 | A switch-over valve, preferably for an air drier | |
| HUT47172A | Switching valve particularly for air driers | |
| HUT46273A | Wedge brake mechanism preferably for heavy road motor vehicles | |
| SE8502335D0 | CONTROL DEVICE FOR A PRESSURE BAR FOR A BRAKE CYLINDER AT A VEIL BRAKE ARRANGEMENT |