| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Switzerland | 3 | |
| #3 | Austria | 2 | |
| #4 | Denmark | 2 | |
| #5 | Spain | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | United States | 2 | |
| #8 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Centrifuges | |
| #2 | Mixing | |
| #3 | Treatment of paper-making materials | |
| #4 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hiller Georg | 16 |
| Publication | Filing date | Title |
|---|---|---|
| DE3409112A1 | Solid-bowl worm centrifuge | |
| DE2154535A1 | Solid jacket worm centrifuge - with double worms in coaxial configuration | |
| DE2154563A1 | Solid walled worm centrifuge - operating on steady flow principle | |
| GB190902947A | Centrifugal Mixer of Concrete and other Mortar Mixtures. | |
| GB190714812A | Sifting-machine. | |
| US869085A | Sifting-machine. | |
| US872729A | Mixing-machine. | |
| CA338616A | Sulphate of ammonia |