| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | Spain | 2 | |
| #3 | South Africa | 2 | |
| #4 | Argentina | 1 | |
| #5 | Australia | 1 | |
| #6 | Belgium | 1 | |
| #7 | Brazil | 1 | |
| #8 | China | 1 | |
| #9 | Denmark | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Finland | 1 | |
| #12 | France | 1 | |
| #13 | United Kingdom | 1 | |
| #14 | Greece | 1 | |
| #15 | Hungary | 1 | |
| #16 | Ireland | 1 | |
| #17 | Israel | 1 | |
| #18 | Italy | 1 | |
| #19 | Morocco | 1 | |
| #20 | Monaco | 1 | |
| #21 | Netherlands | 1 | |
| #22 | Norway | 1 | |
| #23 | New Zealand | 1 | |
| #24 | African Intellectual Property Organization | 1 | |
| #25 | Portugal | 1 | |
| #26 | Sweden | 1 | |
| #27 | Tunisia | 1 | |
| #28 | WIPO (World Intellectual Property Organization) | 1 | |
| #29 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Basic materials chemistry | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Climate change mitigation in wastewater treatment | |
| #2 | Building materials | |
| #3 | Gas, coke and tar production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Biez Georges | 18 |
| #2 | Biez G | 3 |
| #3 | Georges Biez | 3 |
| #4 | Bietz Ag | 1 |
| #5 | Ag Bietz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IE861618L | Transforming solid wastes into useful solid products. | |
| CH667603A5 | Converting household and industrial waste into useful prods. | |
| CH665785A5 | Process for the conversion of organic and mineral waste into solid, inert and insoluble material in water. |