| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | Switzerland | 6 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Steam turbines | |
| #2 | Non-positive-displacement pumps | |
| #3 | Gas-turbine plants | |
| #4 | Gearing | |
| #5 | Rotary-pistons | |
| #6 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Talalmanykifejleszto Es Erteke | 6 |
| Publication | Filing date | Title |
|---|---|---|
| GB511645A | Improvements in or relating to turbo-compressors or pumps |