| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Fluid heaters | |
| #3 | Domestic washing | |
| #4 | Special non-positive-displacement engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bruno Eck Dr-Ing | 10 |
| #2 | Eck Dr-Ing Bruno | 2 |
| #3 | Eck Bruno Dr-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1930809A1 | Fan with circumferential inlet bead | |
| DE1628573A1 | vacuum cleaner | |
| DE1428090A1 | Fan or heater | |
| DE1428089A1 | Fan or heater | |
| DE1428085A1 | Drum runner blower, especially for free blowing | |
| DE1403508A1 | Drum runner blower | |
| DE1403504A1 | Radial fan | |
| DE1403503A1 | Radial fan | |
| DE1403501A1 | Housing for cross-flow fan | |
| DE1403500A1 | Impeller for radial fans | |
| DE1403545A1 | Cross-flow blower, in which the field of a potential vortex is superimposed on the inside of the runner to guide the throughput flow |