| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 5 | |
| #2 | Austria | 3 | |
| #3 | Belgium | 3 | |
| #4 | Canada | 3 | |
| #5 | France | 3 | |
| #6 | United Kingdom | 3 | |
| #7 | Italy | 3 | |
| #8 | Sweden | 3 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 3 | |
| #10 | Australia | 2 | |
| #11 | Switzerland | 2 | |
| #12 | United States | 2 | |
| #13 | Finland | 1 | |
| #14 | Hungary | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heller L | 11 |
| #2 | Forgo L | 11 |
| #3 | Forgo Laszlo | 10 |
| #4 | Heller Laszlo | 10 |
| #5 | Bodas J | 9 |
| #6 | Bodas Janos | 9 |
| #7 | Agejev G | 9 |
| #8 | Alekszejev I | 8 |
| #9 | Alekszejev I A | 5 |
| #10 | Alekszejev Ivan A | 4 |
| Publication | Filing date | Title |
|---|---|---|
| HU178761B | Heating and ventilating device for greenhouse | |
| ZA7304175B | Cooling system | |
| AU4804672A | Condensation apparatus for steam turbine powerplants | |
| BE790512A | CONDENSATION SYSTEM FOR PLANTS EQUIPPED WITH STEAM TURBINES | |
| BE790513A | CONDENSING DEVICE FOR STEAM TURBINE THERMAL PLANTS |