| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | China | 5 | |
| #3 | EPO (European Patent Office) | 5 | |
| #4 | Republic of Korea | 5 | |
| #5 | Mexico | 4 | |
| #6 | WIPO (World Intellectual Property Organization) | 4 | |
| #7 | Japan | 2 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Lubricating of machines | |
| #4 | Gearing | |
| #5 | Soldering, welding and flame cutting | |
| #6 | Lubricating | |
| #7 | Venting or aerating devices | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Khalil Ibrahim | 22 |
| #2 | Eleftherakis John G | 15 |
| #3 | Alfaro Conrad F | 10 |
| #4 | Khalil Ibrahim A | 6 |
| #5 | Zukeran Mieko | 5 |
| #6 | Ibrahim Khalil | 5 |
| #7 | John G Eleftherakis | 4 |
| #8 | Kondratyuk Vasyl | 3 |
| #9 | Conrad F Alfaro | 3 |
| #10 | Shaw John W | 2 |
| Publication | Filing date | Title |
|---|---|---|
| KR20200105813A | Reverse discharge prevention valve, curved pipe assembly including the same, and dual outlet fluid filter including the same | |
| JP2016131972A | Filter with dual pleat pack | |
| US2015129469A1 | Filter with dual pleat pack | |
| US2015114897A1 | Filter with internal frame openings | |
| US2014209529A1 | Filter with dual pleat pack | |
| US2014209528A1 | Filter with dual pleat pack | |
| US2009250410A1 | Dual media fluid filter | |
| US2006278570A1 | Coaxial full-flow and bypass oil filter having cap with blades | |
| US2006278569A1 | Coaxial full-flow and bypass oil filter with spring/gasket arrangement |