Assignee
HAGER & ELSAESSER
DE·4 granted patents·116 citations·filing 1974–1985
Top patents by PatentIndex Score
4 records- 0191US4434057AWater purification utilizing plural semipermeable membrane stagesHAGER & ELSAESSER·Filed 1982·Granted Feb 28, 1984·74 cites·27 claims
- 0280US4088563AProcess for the treatment of water solution by ion exchangeHAGER & ELSAESSER·Filed 1974·Granted May 9, 1978·28 cites·1 claims
- 0351US4033874AApparatus for the treatment of liquidsHAGER & ELSAESSER·Filed 1975·Granted Jul 5, 1977·14 cites·1 claims
- 0429US4684464AApparatus for washing materialHAGER & ELSAESSER·Filed 1985·Granted Aug 4, 1987·0 cites·18 claims
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