Inventor · disambiguated record
Wilhelm Ballnus
Also filed as: BALLNUS WILHELM
4 granted patents·118 citations·filing 1981–1995
80Inventor score
Top patents by PatentIndex Score
4 records- 0174US5076928AProcess for biological wastewater treatmentSCHREIBER CORP INC·Filed 1990·Granted Dec 31, 1991·45 cites·16 claims
- 0263US4333838AMethod and apparatus for purifying an activated sludge-waste water mixtureSCHREIBER KLAERANLAGEN·Filed 1981·Granted Jun 8, 1982·21 cites·13 claims
- 0359US5626754AApparatus and process for biological wastewater treatment with controlled addition of carbonaceous organic substrates in the anoxic phaseSCHREIBER CORP·Filed 1995·Granted May 6, 1997·30 cites·4 claims
- 0455US5242592AProcess for biological waste water treatmentSCHREIBER CORP INC·Filed 1992·Granted Sep 7, 1993·22 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →