| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Agriculture | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Planting | |
| #3 | Cleaning | |
| #4 | Agricultural harvest processing | |
| #5 | Siphons | |
| #6 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eisele Josef | 9 |
| #2 | Lombardo Wilhelm | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB918798A | Improvements in or relating to self-priming centrifugal pumps | |
| GB804265A | Method of and apparatus for priming a centrifugal pump for pumping mud, sludge and liquids containing semi-solids | |
| US691475A | Implement for cleaning boiler-tubes, &c. |