Inventor · disambiguated record
Franz-Bernd Frechen
Also filed as: FRECHEN FRANZ-BERND
1 granted patent·1 pending application·4 citations·filing 2007–2008
25Inventor score
Technology areasC02F
Top patents by PatentIndex Score
2 records- 0153US8197690B2Method and apparatus for biological wastewater purificationFRECHEN FRANZ-BERND·Filed 2007·Granted Jun 12, 2012·4 cites·10 claims
- 0239US2008292495A1Method and device for the continuous reduction of the odor contamination caused by the waste water in sewers and method and device for determining the pollution of a water sample with odorous substancesUNI KASSEL·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →