Assignee
STAEHLER THEO
4 granted patents·48 citations·filing 1980–2005
Top patents by PatentIndex Score
4 records- 0169US4284503ADevice for aerating sewage or sewage-sludgesSTAEHLER THEO·Filed 1980·Granted Aug 18, 1981·32 cites·18 claims
- 0254US7172690B2Device for purifying waste water, according to the activated sludge processSTAEHLER THEO·Filed 2003·Granted Feb 6, 2007·3 cites·9 claims
- 0352US7897041B2Apparatus for aerobic biological cleaning of waste waterSTAEHLER THEO·Filed 2005·Granted Mar 1, 2011·1 cites·21 claims
- 0441US4318810AApparatus for the conversion of pollutants contained in effluents and effluent sludgesSTAEHLER THEO·Filed 1980·Granted Mar 9, 1982·12 cites·18 claims
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