| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | South Africa | 3 | |
| #3 | Australia | 2 | |
| #4 | Brazil | 2 | |
| #5 | Canada | 2 | |
| #6 | China | 2 | |
| #7 | Colombia | 2 | |
| #8 | EPO (European Patent Office) | 2 | |
| #9 | Mexico | 2 | |
| #10 | Taiwan | 2 | |
| #11 | WIPO (World Intellectual Property Organization) | 2 | |
| #12 | Argentina | 1 | |
| #13 | Bulgaria | 1 | |
| #14 | Hong Kong | 1 | |
| #15 | Hungary | 1 | |
| #16 | Israel | 1 | |
| #17 | Jordan | 1 | |
| #18 | New Zealand | 1 | |
| #19 | Poland | 1 | |
| #20 | Singapore | 1 | |
| #21 | Slovakia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Measurement | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Lubricating compositions | |
| #2 | Separation | |
| #3 | Special lubricating compositions | |
| #4 | Measuring volume | |
| #5 | Mixing | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lefebvre Byron | 26 |
| #2 | Byron Lefabvre | 1 |
| #3 | Lefebvre B | 1 |
| #4 | Byron Lefebvre | 1 |
| #5 | Lefebvre Byron B | 1 |
| #6 | Ford Richard J | 1 |
| #7 | Meyer Robert A | 1 |
| #8 | Lefebvre Ryron | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5718258A | Releasing additives into engine oil | |
| US5639965A | Oil reclamation system flow meter | |
| CN1169747A | Oil reclamation device with evaporator base and head mounted filter | |
| ZA9600680B | Oil reclamation device with evaporator base and head connected filter | |
| SG28275A1 | By pass filtering | |
| MX9605817A | Bypass filtering. | |
| US5591330A | Oil filter containing an oil soluble thermoplastic additive material therein |