| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 4 | |
| #2 | Australia | 2 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | China | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | Croatia | 2 | |
| #8 | Israel | 2 | |
| #9 | Lithuania | 2 | |
| #10 | Latvia | 2 | |
| #11 | Mexico | 2 | |
| #12 | Norway | 2 | |
| #13 | African Intellectual Property Organization | 2 | |
| #14 | Poland | 2 | |
| #15 | Portugal | 2 | |
| #16 | United States | 2 | |
| #17 | WIPO (World Intellectual Property Organization) | 2 | |
| #18 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #19 | Argentina | 1 | |
| #20 | Denmark | 1 | |
| #21 | Ecuador | 1 | |
| #22 | Finland | 1 | |
| #23 | Ireland | 1 | |
| #24 | Republic of Korea | 1 | |
| #25 | Peru | 1 | |
| #26 | Slovenia | 1 | |
| #27 | Turkey | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Combustion residues removal | |
| #2 | Cremation furnaces | |
| #3 | Casings for combustion chambers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kent John M | 40 |
| #2 | John M Kent | 4 |
| #3 | Kent J M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4986197A | Apparatus for using hazardous waste to form non hazardous aggregate | |
| SI8911781A | Apparatus for using hazardous waste to form non hazardous aggregate | |
| ZA8906971B | Method and apparatus for using hazardous waste to form non-hazardous aggregate | |
| US4922841A | Method and apparatus for using hazardous waste to form non-hazardous aggregate |