| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | China | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Australia | 1 | |
| #6 | Brazil | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Israel | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Inorganic compounds | |
| #2 | Rare-earth metal compounds | |
| #3 | Cremation furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jensen Christoph | 8 |
| #2 | Markwardt Ilka | 8 |
| #3 | Higgs Robert Philip | 3 |
| #4 | Ilka Markwardt | 1 |
| #5 | Christoph Jensen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0921820D0 | Production and/or recovery of products from waste sludge | |
| GB0917248D0 | Production of calcium carbonate |