| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Switzerland | 3 | |
| #3 | United States | 3 | |
| #4 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Machines | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Production of brushes | |
| #2 | Brushes | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grueneberg Carl | 11 |
| #2 | Grueneberg Josef | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US828473A | Machine for boring and filling brush-backs. | |
| US778361A | Machine for drilling and plugging brush-backs. | |
| GB190320919A | An Improved Device in Brush-drilling and Tufting Machines for Automatically Feeding the Brush Bodies to the Tools. | |
| US758063A | Brush. | |
| GB190311410A | Improvements in and connected with the Manufacture of Brushes. |