| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Materials and metallurgy | |
| #3 | Electrical machinery and energy | |
| #4 | Medical technology | |
| #5 | Packaging and shipping | |
| #6 | Thermal processes | |
| #7 | Furniture and games | |
| #8 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Metal tempering | |
| #2 | Manufacturing processes | |
| #3 | Unspecified technologies | |
| #4 | Dentistry | |
| #5 | Household appliances | |
| #6 | Goods for writing upon | |
| #7 | Special electric heating or lighting | |
| #8 | Furnaces | |
| #9 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schwarz Ferdinand | 7 |
| #2 | Ferdinand Schwarz | 2 |
| #3 | Schwarz Walter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1560330A | Mail box | |
| US1526763A | Latch for mail boxes or the like |