| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | EAPO (Eurasian Patent Organization) | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Lubricating of machines | |
| #3 | Unspecified technologies | |
| #4 | Pipes | |
| #5 | Supplying combustion engines | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cline L Steven | 6 |
| #2 | Neufeld Henry L | 6 |
| #3 | Albers Jr David G | 2 |
| #4 | Usalis Jr Anthony W | 2 |
| #5 | Mercer Larry R | 2 |
| #6 | Jackson James S | 2 |
| #7 | Nguyen Ledu Quoc | 1 |
| #8 | Haggard Clifford D | 1 |
| #9 | Cline Steven | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2380946A1 | Oil filter unit with quick-drain valve actuator | |
| US5522909A | Air filter device | |
| US5658023A | Connection for attaching a fuel line to a fuel filter |