| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 11 | |
| #2 | EPO (European Patent Office) | 8 | |
| #3 | United States | 4 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Textiles and paper | |
| #4 | Surface technology and coating | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Making textile fabrics | |
| #5 | Shaping of plastics | |
| #6 | Manufacturing artificial filaments | |
| #7 | Layered products | |
| #8 | Air-conditioning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Choi Kyung-Ju | 21 |
| #2 | Braswell Ronald E | 6 |
| #3 | Porter Dennis R | 6 |
| #4 | Hoeffken Russell | 1 |
| #5 | Furse John H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2512204A1 | Pleated filter media with strip spacers and method of making | |
| EP1040859A2 | Pleated filter media with strip spacers and method of making | |
| CA2286443A1 | Apparatus and method for forming fibrous filter media, filter units and product | |
| US6254653B1 | Pleated fluid filter medium blend | |
| US6267832B1 | Method and apparatus for automated manufacture of unit filters |