Individual holder
HUNZIKER DAVID G
3 granted patents·40 citations·filing 2006–2007
Individually held — no corporate assignee on record.
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0175US7614463B1Flute-wiping auger cleanerHUNZIKER DAVID G·Filed 2007·Granted Nov 10, 2009·23 cites·17 claims
- 0267US7708072B1Accessories and method for hollow stem auger retractionHUNZIKER DAVID G·Filed 2006·Granted May 4, 2010·14 cites·14 claims
- 0346US7690430B1Well casing extraction accessories and methodHUNZIKER DAVID G·Filed 2006·Granted Apr 6, 2010·3 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →