Inventor · disambiguated record
David A. Helmstetter
Also filed as: HELMSTETTER DAVID A
4 granted patents·43 citations·filing 1983–1990
76Inventor score
Files withOLIN CORP4
Top patents by PatentIndex Score
4 records- 0153US4966764AProcess for producing low aluminum membrane cell feedbrineOLIN CORP·Filed 1989·Granted Oct 30, 1990·10 cites·15 claims
- 0251US4830837AProcess for removing aluminum from concentrated alkali metal halide brinesOLIN CORP·Filed 1987·Granted May 16, 1989·16 cites·18 claims
- 0350US5116594ASalt handling apparatus for a hypochlorous acid reactorOLIN CORP·Filed 1990·Granted May 26, 1992·11 cites·20 claims
- 0445US4431495ALocation of a structurally damaged membraneOLIN CORP·Filed 1983·Granted Feb 14, 1984·6 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →