Inventor · disambiguated record
Herman L. Gewanter
Also filed as: GEWANTER HERMAN L
3 granted patents·28 citations·filing 1990–1992
69Inventor score
Files withPFIZER3
Top patents by PatentIndex Score
3 records- 0152US5293942AOil well acidizing with iron chelating derivatives of aldohexoses and aldopentoses such as a salt or acid of 2-ketogluconatePFIZER·Filed 1992·Granted Mar 15, 1994·14 cites·34 claims
- 0250US5178796AMethod for oxygen removal with keto-gluconatesPFIZER·Filed 1992·Granted Jan 12, 1993·11 cites·9 claims
- 0331US5114618AOxygen removal with keto-gluconatesPFIZER·Filed 1990·Granted May 19, 1992·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →