| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 2 | |
| #5 | Switzerland | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Furniture and games | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Special electric heating or lighting | |
| #2 | Kitchen equipment | |
| #3 | Containers for goods storage | |
| #4 | Woodworking tools | |
| #5 | Laundering textiles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartwig Robert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB142505A | Improvements in electric heating resistances | |
| GB142506A | Improvements in electric heating appliances | |
| DE338160C | Electrically heated iron that can be used as a curling iron warmer and heating base | |
| GB191207838A | Improved Double Walled Vessel suitable for use as a Glue Pot and for Confectionery Purposes. | |
| US1033771A | Heat-insulated receptacle. | |
| US1029364A | Method of making heat-insulated receptacles. |