| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Germany | 5 | |
| #3 | France | 4 | |
| #4 | Spain | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Spinning | |
| #2 | Special electric heating or lighting | |
| #3 | Finishing of filaments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pfenningsberg Josef | 7 |
| #2 | Pfenningsberg Co Josef | 3 |
| #3 | Richter Hans | 3 |
| #4 | Josef Pfenningsberg | 2 |
| #5 | Hanraths Hans | 1 |
| #6 | Weller Heinz | 1 |
| #7 | Hans Richter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES232693A1 | Procedure with your corresponding device for the production of deformed thread (Machine-translation by Google Translate, not legally binding) | |
| US2947038A | Drawing devices operating with an upper belt |