| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | United States | 5 | |
| #4 | Australia | 2 | |
| #5 | Brazil | 2 | |
| #6 | Finland | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | South Africa | 2 | |
| #9 | Israel | 1 | |
| #10 | Japan | 1 | |
| #11 | Norway | 1 | |
| #12 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Environmental technology | |
| #3 | Chemical engineering | |
| #4 | Machines | |
| #5 | Civil engineering | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Liquid hydrocarbon mixture production | |
| #2 | Cleaning | |
| #3 | Unspecified technologies | |
| #4 | Contaminated soil reclamation | |
| #5 | Solid waste disposal | |
| #6 | Earth drilling | |
| #7 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ripley Ian Stanley | 20 |
| #2 | Needham Antony Hugh | 11 |
| #3 | Ripley Ian | 7 |
| #4 | Needham Anthony H | 6 |
| #5 | Needham Anthony Hugh | 3 |
| #6 | Needham Antony H | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO9419122A1 | Process and apparatus for removal of petroleum from particulate materials | |
| ZA9400338B | Treatment of waste petroleum | |
| CA2016991A1 | Residue recovery system | |
| CA2008086A1 | Method for the recovery of black oil residues | |
| US5050628A | Tank entry procedure and apparatus | |
| US4976278A | Method and apparatus for introducing and positioning a tank contents removal means | |
| US5085242A | Method and apparatus for the removal of black oil residues from tanks |