Camfil AB
57Patents
48Active
57Granted
52Portfolio score
Filing activity: Jan 5, 1990 → May 30, 2024 · 16 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD791297S1 | Air purifier | General | 59 | Active |
| US5071555A | Filter folded in a zig-zag configuration | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5236480A | Air filter for workstations and methods of making and using such air filter | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7931726B2 | Box-V filter and method of fabricating the same | Emerging Cross-Sectional Technologies | 14 | Active |
| US7947101B2 | Reduced adhesive filter assembly | Performing Operations; Transporting | 14 | Active |
| US10976065B2 | System, method and computer program product for air filter management | Emerging Cross-Sectional Technologies | 10 | Active |
| USD864370S1 | Air filter | General | 9 | Active |
| US7938927B2 | Method of making a filter assembly | Emerging Cross-Sectional Technologies | 8 | Active |
| US8795404B2 | Sealed edge frame | Emerging Cross-Sectional Technologies | 8 | Active |
| US6176890A | Filter | Performing Operations; Transporting | 7 | Expired |
| USD864369S1 | Air filter | General | 7 | Active |
| USD774634S1 | Filter | General | 6 | Active |
| US7051534B2 | Gas turbine arrangement having an integrated filter housing and compressor bleed duct | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US10369507B2 | Filter frame | Emerging Cross-Sectional Technologies | 6 | Active |
| US8029585B2 | Pocket filter assembly | Emerging Cross-Sectional Technologies | 6 | Active |
| US10071331B2 | Backing net structure | Emerging Cross-Sectional Technologies | 6 | Active |
| USD584807S1 | Filter assembly | General | 6 | Expired |
| US6699348B2 | Method for filter fabrication | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8968445B2 | Regenerable pleated filter medium | Performing Operations; Transporting | 5 | Active |
| US7883572B2 | Cleanable dust filter comprising a zigzag pleated filter pack | Performing Operations; Transporting | 4 | Active |
| USD784509S1 | Filter | General | 4 | Active |
| USD893694S1 | Air filter | General | 3 | Active |
| USD764041S1 | Filter | General | 3 | Active |
| USD980401S1 | Air filter | General | 3 | Active |
| US7621989B2 | Filter structure, filter panel comprising the filter structure and method for manufacturing the filter structure | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.