Assignee
OTTO OEKO TECH
DE·3 granted patents·70 citations·filing 1987–1994
Top patents by PatentIndex Score
3 records- 0176US4846852AMethod and apparatus for separating and recovering volatile solvents from exhaust airOTTO OEKO TECH·Filed 1987·Granted Jul 11, 1989·59 cites·8 claims
- 0229US5364530AProcess for the biological purification of sewageOTTO OEKO TECH·Filed 1993·Granted Nov 15, 1994·6 cites·9 claims
- 0327US5489380AApparatus for the biological purification of sewageOTTO OEKO TECH·Filed 1994·Granted Feb 6, 1996·5 cites·8 claims
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