| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 51 | |
| #2 | Netherlands | 4 | |
| #3 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Civil engineering | |
| #4 | Machines | |
| #5 | Agriculture | |
| #6 | Telecommunications | |
| #7 | Foods and drinks |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Siphons | |
| #3 | Water treatment | |
| #4 | Pumps | |
| #5 | Sewers | |
| #6 | Milling | |
| #7 | Planting | |
| #8 | Climate change mitigation in wastewater treatment | |
| #9 | Slaughtering | |
| #10 | Selecting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neidl Dipl-Ing Georg | 41 |
| Publication | Filing date | Title |
|---|---|---|
| NL7501203A | Pumping and pulverizing appts for liq contg solids - has rotor designed to avoid entanglement of pumped materials with shaft | |
| NL169833B | Device for reducing, processing, treating and pumping and the like of substances of different types. | |
| DE1205431B | Process for the recovery of fiber material from woven and knitted waste and system for carrying out the process |