| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 5 | |
| #2 | Canada | 4 | |
| #3 | Switzerland | 3 | |
| #4 | Spain | 3 | |
| #5 | Austria | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Materials for miscellaneous applications | |
| #2 | Refrigerators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Amundsen Ivar | 13 |
| #2 | Ivar Amundsen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES101601A1 | A method for the production of cold. | |
| CA277094A | Refrigerator | |
| CA288531A | Refrigerator plant | |
| CA296522A | Refrigerating plant of the absorption type | |
| CA266619A | Refrigerator |