| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy | |
| #3 | Thermal processes | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Dynamo-electric machines | |
| #3 | Domestic heating systems | |
| #4 | Shafts | |
| #5 | Electrically-conductive connections | |
| #6 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Metral Charles | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ES296263A1 | A group motobomba (Machine-translation by Google Translate, not legally binding) | |
| ES268520A1 | A rotation control device for rotating machine trees (Machine-translation by Google Translate, not legally binding) | |
| ES265786A1 | A central heating accelerator with valve incorporated (Machine-translation by Google Translate, not legally binding) | |
| ES262843A3 | An electro-bomba group (Machine-translation by Google Translate, not legally binding) |