| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Agriculture | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separating solids | |
| #2 | Preparing grain for milling | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bunse Fritz | 1 |
| #2 | Fritz Bunse | 1 |
| #3 | Otto Bunse | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB402724A | Covering for the working surfaces of pointing, peeling or brushing machines | |
| US1642331A | Grain separator | |
| GB237312A | Improvements in and relating to grain and seed sorting machines | |
| GB196936A | Improvements in grain or seed sorting machines | |
| US1590723A | Seed selecting and cleaning machine |