Inventor · disambiguated record
David J. Waller
Also filed as: WALLER DAVID · WALLER DAVID J
23 granted patents·1,309 citations·filing 1996–2006
97Inventor score
Top patents by PatentIndex Score
23 records- 0199US6250738B1Inkjet printing apparatus with ink manifoldHEWLETT PACKARD CO·Filed 1998·Granted Jun 26, 2001·417 cites·28 claims
- 0298US6003977ABubble valving for ink-jet printheadsHEWLETT PACKARD CO·Filed 1996·Granted Dec 21, 1999·228 cites·14 claims
- 0397US6428156B1Ink delivery system and method for controlling fluid pressure thereinHEWLETT PACKARD CO·Filed 1999·Granted Aug 6, 2002·150 cites·13 claims
- 0493US6126276AFluid jet printhead with integrated heat-sinkHEWLETT PACKARD CO·Filed 1998·Granted Oct 3, 2000·89 cites·44 claims
- 0591US6309054B1Pillars in a printheadHEWLETT PACKARD CO·Filed 1998·Granted Oct 30, 2001·49 cites·10 claims
- 0689US6660175B2Method of forming pillars in a fully integrated thermal inkjet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Dec 9, 2003·24 cites·12 claims
- 0786US6540323B1Snout-encompassing capping system for inkjet printheadsHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 1, 2003·28 cites·37 claims
- 0886US6099108AMethod and apparatus for improved ink-drop distribution in ink-jet printingHEWLETT PACKARD CO·Filed 1997·Granted Aug 8, 2000·50 cites·38 claims
- 0984US6527369B1Asymmetric printhead orificeHEWLETT PACKARD CO·Filed 1996·Granted Mar 4, 2003·52 cites·10 claims
- 1083US5969736APassive pressure regulator for setting the pressure of a liquid to a predetermined pressure differential below a reference pressureHEWLETT PACKARD CO·Filed 1998·Granted Oct 19, 1999·50 cites·31 claims
- 1181US6905619B2Method of forming pillars in a fully integrated thermal inkjet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jun 14, 2005·13 cites·8 claims
- 1281US6155670AMethod and apparatus for improved ink-drop distribution in inkjet printingHEWLETT PACKARD CO·Filed 1999·Granted Dec 5, 2000·43 cites·47 claims
- 1380US7048353B2Printhead maintenance systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted May 23, 2006·20 cites·34 claims
- 1479US6641744B1Method of forming pillars in a fully integrated thermal inkjet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Nov 4, 2003·12 cites·9 claims
- 1570US6846060B2Printhead servicing mechanism and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jan 25, 2005·12 cites·19 claims
- 1669US7104636B2Pen maintenance system and method for operating sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 12, 2006·10 cites·32 claims
- 1767US6722752B2Pen maintenance system and method for operating sameHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 20, 2004·9 cites·8 claims
- 1866US5988786AArticulated stress relief of an orifice membraneHEWLETT PACKARD CO·Filed 1997·Granted Nov 23, 1999·24 cites·17 claims
- 1965US6354694B1Method and apparatus for improved ink-drop distribution in ink-jet printingHEWLETT PACKARD CO·Filed 1999·Granted Mar 12, 2002·19 cites·25 claims
- 2053US6783689B2Method of forming pillars in a fully integrated thermal inkjet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Aug 31, 2004·2 cites·7 claims
- 2152US7204933B2Method of forming pillars in a fully integrated thermal inkjet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Apr 17, 2007·0 cites·2 claims
- 2251US6843550B2Printhead servicing mechanism and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jan 18, 2005·4 cites·31 claims
- 2346US7753471B2Printing mechanism and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Jul 13, 2010·4 cites·52 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →