| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Shafts | |
| #3 | Separating solids | |
| #4 | Preparing grain for milling | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eisgruber Georg | 8 |
| #2 | Georg Eisgruber | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2001675A | Closed removable needle bearing | |
| GB395886A | Closed removable needle bearing | |
| GB308536A | Improvements in or relating to plansifter brushes | |
| GB288922A | Improvements in or relating to plansifter brushes |