Assignee
ELFO AG
CH·3 granted patents·17 citations·filing 1976–2007
Top patents by PatentIndex Score
3 records- 0158US7871528B2Water filterELFO AG·Filed 2007·Granted Jan 18, 2011·3 cites·11 claims
- 0254US4287066ASieve having substantially plane sieve sheets and a method for its manufactureELFO AG·Filed 1976·Granted Sep 1, 1981·13 cites·11 claims
- 0326US4259283AManufacture of a sieve having substantially plane sieve sheetsELFO AG·Filed 1979·Granted Mar 31, 1981·1 cites·6 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →