| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | United States | 3 | |
| #3 | Germany | 2 | |
| #4 | Finland | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Netherlands | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Surface technology and coating | |
| #5 | Chemical engineering | |
| #6 | Textiles and paper | |
| #7 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Pistons and sealings | |
| #3 | Mixing | |
| #4 | Venting or aerating devices | |
| #5 | Coating metallic material | |
| #6 | Unspecified technologies | |
| #7 | Paper-making machines | |
| #8 | Measuring volume |
| # | Name | Total Patents |
|---|---|---|
| #1 | Emile Egger | 8 |
| #2 | Egger Emile | 3 |
| #3 | Renger Hagen | 2 |
| #4 | Grimm Michel | 2 |
| #5 | Weber Claude | 1 |
| #6 | Favre Jean-Nicolas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2006133577A1 | Centrifugal pump | |
| EP0565485A1 | Method and device to measure the flow of a medium and application of the method | |
| CH666520A5 | Pump to empty flooded cellar - has non-clogging centrifugal pump below self-priming rotary vane pump | |
| CH654628A5 | Free flow pump. | |
| US3487785A | Slip-ring sealing structure in a centrifugal pump | |
| FR1449091A | Multipurpose pump system | |
| GB1116817A | Impeller pump, for example, a radialflow pump or axialflow pump | |
| US3316848A | Pump casing | |
| DE1453737A1 | Centrifugal pump |