| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Germany | 3 | |
| #4 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Chemical engineering | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Venting or aerating devices | |
| #3 | Shafts | |
| #4 | Separation | |
| #5 | Gearing | |
| #6 | Machines | |
| #7 | Hot gas positive-displacement engine plants |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mateja Ernst | 11 |
| #2 | Ecker Felix | 3 |
| #3 | Just Zbigniew | 2 |
| #4 | Mateja Ernst Dipl Ing | 1 |
| #5 | Alles Roman | 1 |
| #6 | Carlqvist Stig G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9602781A2 | Vadraulic valve | |
| DE19502518A1 | Pressure relief valve | |
| DE4326536A1 | Hydraulic installation of longwall construction in mining | |
| EP0607154A1 | Energy converter on the hot-air engine principle | |
| DE4141287A1 | Ball valve |