| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 | |
| #2 | Switzerland | 1 | |
| #3 | France | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Materials and metallurgy | |
| #5 | Machine tools | |
| #6 | Transport | |
| #7 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Upholstering equipment | |
| #2 | Nails | |
| #3 | Laundering textiles | |
| #4 | Non-metallic elements | |
| #5 | Military vessels | |
| #6 | Locks | |
| #7 | Handles for hand implements | |
| #8 | Vehicle tyre repairing | |
| #9 | Special musical instruments | |
| #10 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bauer Hermann | 5 |
| #2 | Hermann Bauer | 2 |
| #3 | Mueller Karl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1800493A | Machine for classing bed feathers |