| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 14 | |
| #2 | Germany | 7 | |
| #3 | Austria | 6 | |
| #4 | Denmark | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Spain | 1 | |
| #7 | Norway | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Electrical machinery and energy | |
| #3 | Thermal processes | |
| #4 | Foods and drinks | |
| #5 | Chemical engineering | |
| #6 | Packaging and shipping | |
| #7 | Mechanical elements | |
| #8 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Luescher Paul | 16 |
| #2 | Paul Luescher | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US3533374A | Device for melting chocolate and delivery of the chocolate melt | |
| GB869503A | Improvements in or relating to electric warming appliances | |
| GB819952A | Container for the warming-up of piled objects, in particular dishes and plates | |
| ES228814A1 | Apparatus for electrical warming of food heating trays (Machine-translation by Google Translate, not legally binding) |