| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Foods and drinks | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines | |
| #5 | Packaging and shipping | |
| #6 | Consumer goods | |
| #7 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Venting or aerating devices | |
| #3 | Pasteurisation | |
| #4 | Pumps | |
| #5 | Wine | |
| #6 | Transferring liquids | |
| #7 | Ice-boxes | |
| #8 | Foods | |
| #9 | Mixing | |
| #10 | Refrigerators |
| Publication | Filing date | Title |
|---|---|---|
| DE587887C | Filter hose made of textile fabric for liquids | |
| DE571940C | Liquid pump | |
| DE361646C | Valve consisting of a pliable, elastic ring, especially for pumps | |
| DE386978C | Diaphragm pump for fluids |