| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | China | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | Canada | 1 | |
| #6 | Norway | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Batteries | |
| #3 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burchardt Trygve | 13 |
| #2 | Trygve Burchardt | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2007065899A1 | Bifunctional air electrode | |
| EP1796200A1 | Bifunctional air electrode | |
| EP1715536A2 | Zinc electrode comprising an organic gelling agent and an organic binder. | |
| EP1678770A1 | Electrode, method of its production, metal-air fuel cell and metal hydride cell | |
| KR20060039428A | Production of gas diffusion electrodes |