Assignee
ELFI ELEKTROFILTER AB
SE·4 granted patents·124 citations·filing 1978–2015
Top patents by PatentIndex Score
4 records- 0187US4259093AElectrostatic precipitator for air cleaningELFI ELEKTROFILTER AB·Filed 1978·Granted Mar 31, 1981·80 cites·10 claims
- 0284US7132010B2Air filtering systemELFI ELEKTROFILTER AB·Filed 2004·Granted Nov 7, 2006·39 cites·4 claims
- 0367US10245593B2Air-filter arrangementELFI ELEKTROFILTER AB·Filed 2015·Granted Apr 2, 2019·1 cites·9 claims
- 0421US4240811AFixing and connecting device for wires and plates in electrostatic filtersELFI ELEKTROFILTER AB·Filed 1979·Granted Dec 23, 1980·4 cites·6 claims
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