| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | China | 2 | |
| #4 | Czechia | 2 | |
| #5 | Israel | 2 | |
| #6 | Norway | 2 | |
| #7 | Poland | 2 | |
| #8 | African Regional Industrial Property Organization | 1 | |
| #9 | Brazil | 1 | |
| #10 | Denmark | 1 | |
| #11 | EAPO (Eurasian Patent Organization) | 1 | |
| #12 | Spain | 1 | |
| #13 | Finland | 1 | |
| #14 | France | 1 | |
| #15 | United Kingdom | 1 | |
| #16 | Hungary | 1 | |
| #17 | Luxembourg | 1 | |
| #18 | Mexico | 1 | |
| #19 | New Zealand | 1 | |
| #20 | Sweden | 1 | |
| #21 | United States | 1 | |
| #22 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Lubricating compositions | |
| #2 | Liquid hydrocarbon mixture production | |
| #3 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Daspit Alexander D B | 23 |
| #2 | Macdonald Martin | 20 |
| #3 | Murray Thomas G | 15 |
| #4 | Murray Thomas | 6 |
| #5 | Daspit Alexander D | 1 |
| #6 | Murray T | 1 |
| #7 | Macdonald Martin R | 1 |
| #8 | Daspit A D B | 1 |
| #9 | Macdonald M | 1 |
| #10 | Myrray Thomas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IL139236D0 | Process for dechlorinating and defouling oil | |
| IL134948D0 | Method of rerefining waste oil by distillation and extraction | |
| CZ2000805A3 | Process of repeated refining of used oil by distillation and extraction | |
| NZ503187A | Method of re-refining waste oil by distillation and extraction | |
| US6117309A | Method of rerefining waste oil by distillation and extraction |