Individual holder
AUERSWALD DAVID C
4 granted patents·81 citations·filing 1983–1989
Individually held — no corporate assignee on record.
Technology mixB01J4
Top patents by PatentIndex Score
4 records- 0178US4820421ASystem and method for demineralizing waterAUERSWALD DAVID C·Filed 1987·Granted Apr 11, 1989·40 cites·40 claims
- 0259US4904383ASystem for demineralizing waterAUERSWALD DAVID C·Filed 1989·Granted Feb 27, 1990·18 cites·34 claims
- 0350US4511675AMethod for regenerating water polishers using ammonium sulphateAUERSWALD DAVID C·Filed 1983·Granted Apr 16, 1985·11 cites·17 claims
- 0447US5124362AMethod for removing organic foulants from anion exchange resinAUERSWALD DAVID C·Filed 1987·Granted Jun 23, 1992·12 cites·18 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →