Inventor · disambiguated record
David Hanns
Also filed as: HANNS DAVID · HANNS DAVID T · HANNS DAVID THOMAS
3 granted patents·35 citations·filing 1993–2014
66Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0139US5490571ASub-assembly for dust suppression in rock drillingCARRALL CHRISTOPHER RICHARD·Filed 1993·Granted Feb 13, 1996·24 cites·8 claims
- 0231US10323461B2Tri cone drill bitHANNS DAVID·Filed 2014·Granted Jun 18, 2019·0 cites·6 claims
- 0327US5927439ASub-assembly for lubricating rock drill bitFiled 1997·Granted Jul 27, 1999·11 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →