| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Australia | 3 | |
| #3 | Canada | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Mexico | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knottnerus Otto | 7 |
| #2 | Langmeier Larry | 7 |
| #3 | Berger Mark | 7 |
| #4 | Morgan Dennis R | 6 |
| #5 | Gryder Edd D | 6 |
| #6 | Rasmussen Harold O | 2 |
| #7 | Mchone Gary | 1 |
| #8 | Mcginness Edward A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2012200747A1 | Fluid filter apparatus and methods | |
| US2009107926A1 | Fluid filter apparatus and methods | |
| US6270668B1 | Filter element sealing mechanism | |
| US5486290A | Fluid filter collector with opposed ribs | |
| US4780204A | Fluid collector with upraised ridges | |
| US4792397A | Filter apparatus with sealing collector and flow control element |