Inventor · disambiguated record
Robert L. Klopfenstein
Also filed as: KLOPFENSTEIN ROBERT L
2 granted patents·1 pending application·49 citations·filing 1991–2018
64Inventor score
Top patents by PatentIndex Score
3 records- 0171US5156173AHigh-efficiency, low-emissions cleaning method and apparatusENVIROSOLV·Filed 1991·Granted Oct 20, 1992·37 cites·16 claims
- 0243US2019266687A1Managemennt of public funds for maintenance and repair of infrastructureKLOPFENSTEIN ROBERT L·Filed 2018·Application pending·0 cites
- 0340US5271810ADistillation device for purifying liquid mixturesENVIRONMENTAL SOLVENTS CORP·Filed 1992·Granted Dec 21, 1993·12 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →