| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Pumps | |
| #3 | Non-positive-displacement pumps | |
| #4 | Unspecified technologies | |
| #5 | Installations for obtaining water | |
| #6 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matthias Rehse | 1 |
| #2 | Rehse Matthias | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE637586C | Double-acting valveless diaphragm pump, especially deep well pump | |
| GB316366A | Improvements in submersible alternating current motor driven pumping apparatus | |
| US1885140A | Submerged alternating current drive | |
| GB256154A | An improved deep well pump submersible under water level |