| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 18 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Medical technology | |
| #3 | Machines | |
| #4 | Furniture and games | |
| #5 | Materials and metallurgy | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Resistors | |
| #2 | Syringes | |
| #3 | Household appliances | |
| #4 | Unspecified technologies | |
| #5 | Special electric heating or lighting | |
| #6 | Containers for goods storage | |
| #7 | Cables and insulators | |
| #8 | Pig-iron processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Isidor Silberstein | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB392195A | Improvements in or relating to electrical heating pads or the like | |
| GB333837A | Improvements in or relating to processes for the manufacture of electrical resistances | |
| US1900206A | Electric resistance | |
| US1857769A | Method of and apparatus for manufacturing high ohmic resistances | |
| GB261259A | Improvements in or relating to bar-shaped resistances | |
| DE554723C | Hemostatic pen |