| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Thermal processes | |
| #3 | Engines, pumps and turbines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Preheating for stem generation | |
| #3 | Steam generation | |
| #4 | Locomotives | |
| #5 | Machines |
| Publication | Filing date | Title |
|---|---|---|
| ES142633A1 | A new valve discharged steam arrival. | |
| ES139435A1 | Procedure, with its corresponding device, to increase the performance of the scrubbers of the feed water of the locomotives. | |
| ES117096A1 | A system for eliminating sludge from boilers of locomotives. |