| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Switzerland | 2 | |
| #3 | Norway | 2 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Japan | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Air-conditioning | |
| #3 | Heat-exchanger without contact | |
| #4 | Heat-exchange device details | |
| #5 | Fluid heaters | |
| #6 | Domestic heating systems | |
| #7 | Domestic stoves |
| # | Name | Total Patents |
|---|---|---|
| #1 | Axlander Axel N A | 7 |
| #2 | A Axlander Axel N | 1 |
| #3 | Axlander A N A | 1 |
| #4 | Akuseru Enu Eeakuserandaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4330577A | Heat exchanger wall element comprising natural fiber material drenched first with a salt solution and thereafter with a water glass binder | |
| GB1427857A | Room heater | |
| CA605676A | Heating element |