| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 11 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Spinning | |
| #2 | Handling thin material | |
| #3 | Warping, beaming and leasing | |
| #4 | Manufacturing artificial filaments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Aktiengesellschaft Carl Hamel | 9 |
| #2 | Hamel Edmund | 1 |
| #3 | Rettenmund Hans | 1 |
| #4 | Edmund Hamel | 1 |
| #5 | Carl Hamel Spinn-Und Zwirnerei | 1 |