Inventor · disambiguated record
David D. Hall
Also filed as: HALL DAVID D · HALL DAVID DOUGLAS
7 granted patents·69 citations·filing 1992–2016
81Inventor score
Top patents by PatentIndex Score
7 records- 0194US8336981B2Determining a healthy fluid ejection nozzleCHEN CHIEN-HUA·Filed 2009·Granted Dec 25, 2012·24 cites·11 claims
- 0275US6503373B2Method of applying a coating by physical vapor depositionINGERSOLL RAND CO·Filed 2001·Granted Jan 7, 2003·25 cites·24 claims
- 0369US9707586B2Printhead with recessed slot endsRIVAS RIO·Filed 2012·Granted Jul 18, 2017·1 cites·20 claims
- 0462US10369788B2Printhead with recessed slot endsHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Aug 6, 2019·0 cites·20 claims
- 0546US7924597B2Data storage in circuit elements with changed resistanceHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Apr 12, 2011·0 cites·18 claims
- 0638US5325598AVariable aperture peep sight for bowsHALL DAVID D·Filed 1992·Granted Jul 5, 1994·19 cites·6 claims
- 0736US7679426B2Transistor antifuse deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Mar 16, 2010·0 cites·51 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →