| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Chemical engineering | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Pistons and sealings | |
| #3 | Rotary pistons | |
| #4 | Rotary-pistons | |
| #5 | Unspecified technologies | |
| #6 | Textile treatments | |
| #7 | Venting or aerating devices | |
| #8 | Shafts | |
| #9 | Steam condensers | |
| #10 | Special non-positive-displacement engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wernert Karl | 21 |
| #2 | Karl Wernert | 12 |
| Publication | Filing date | Title |
|---|---|---|
| ES202781A1 | Tubular pump for electrically powered well (Machine-translation by Google Translate, not legally binding) | |
| ES147065A1 | Rotary piston machine equipped with eccentric rotor of elastic material. | |
| ES119475A1 | A diver or dip pump. | |
| CA565930A | Variable output in rotary pump structure | |
| CA551491A | Shaft packing |