| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | Slovakia | 2 | |
| #5 | South Africa | 2 | |
| #6 | Canada | 1 | |
| #7 | India | 1 | |
| #8 | United States | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Environmental technology | |
| #3 | Engines, pumps and turbines | |
| #4 | Civil engineering | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Producer gas production | |
| #3 | Steam engine plants | |
| #4 | Mining | |
| #5 | Inorganic fertilisers | |
| #6 | Climate change adaptation technologies | |
| #7 | Mixtures of fertilisers | |
| #8 | Organic fertilisers | |
| #9 | Horticulture | |
| #10 | Fuels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Valkanas George N | 14 |
| #2 | Dr Valkanas N George | 1 |
| #3 | Valkanas G N | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA9405480B | Gasification method of low calorific value solid fuels to produce beneficially electric energy in a process running pollution free | |
| AU7131294A | Method of upgrading low calorific solid fuels by deashing | |
| WO9429410A1 | Gasification of low calorific value solid fuels to produce electric energy | |
| AU6805194A | Method of cultivation of coal and lignite infields formed by uncovering (open cast mining) |