Inventor · disambiguated record
Trudy Benjamin
Also filed as: BENJAMIN TRUDY · BENJAMIN TRUDY L · BENJAMÍN TRUDY
68 granted patents·1 pending application·1,174 citations·filing 1993–2017
99Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO34HEWLETT PACKARD CO15BENJAMIN TRUDY6GE NING4AXTELL JAMES P1
Top patents by PatentIndex Score
69 records- 0198US9599500B2Ink level sensor and related methodsGE NING·Filed 2011·Granted Mar 21, 2017·35 cites·9 claims
- 0298US8864260B1EPROM structure using thermal ink jet fire lines on a printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Oct 21, 2014·73 cites·15 claims
- 0398US6234626B1Modular ink-jet hard copy apparatus and methodologyHEWLETT PACKARD CO·Filed 2000·Granted May 22, 2001·86 cites·13 claims
- 0497US6264322B1Modular ink-jet hard copy apparatus and methodologyHEWLETT PACKARD CO·Filed 2000·Granted Jul 24, 2001·66 cites·10 claims
- 0596US8348385B2Printhead dieHEWLETT PACKARD DEVELOPMENT CO·Filed 2011·Granted Jan 8, 2013·13 cites·20 claims
- 0696US6113208AReplaceable cartridge for a printer including resident memory with stored message triggering dataHEWLETT PACKARD CO·Filed 1997·Granted Sep 5, 2000·178 cites·33 claims
- 0796US5929875AAcoustic and ultrasonic monitoring of inkjet dropletsHEWLETT PACKARD CO·Filed 1996·Granted Jul 27, 1999·134 cites·21 claims
- 0894US10082414B2Ink level sensingHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Sep 25, 2018·4 cites·16 claims
- 0994US6412901B2Acoustic and ultrasonic monitoring of inkjet dropletsHEWLETT PACKARD CO·Filed 2001·Granted Jul 2, 2002·52 cites·37 claims
- 1092US7365387B2Gate-coupled EPROM cell for printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Apr 29, 2008·22 cites·20 claims
- 1192US7090338B2Fluid ejection device with fire cellsHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Aug 15, 2006·11 cites·18 claims
- 1290US6439697B1Dynamic memory based firing cell of thermal ink jet printheadHEWLETT PACKARD CO·Filed 1999·Granted Aug 27, 2002·55 cites·15 claims
- 1389US8960860B2Printhead dieAXTELL JAMES P·Filed 2011·Granted Feb 24, 2015·7 cites·13 claims
- 1488US7815273B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Oct 19, 2010·14 cites·16 claims
- 1588US7543906B2Fluid ejection device with identification cellsHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jun 9, 2009·8 cites·20 claims
- 1687US9987841B2Inkjet print head with shared data linesHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jun 5, 2018·2 cites·13 claims
- 1787US8474943B2Secure access to fluid cartridge memoryNESS ERIK D·Filed 2008·Granted Jul 2, 2013·24 cites·20 claims
- 1887US6543882B2Dynamic memory based firing cell for thermal ink jet printheadHEWLETT PACKARD CO·Filed 2002·Granted Apr 8, 2003·24 cites·28 claims
- 1986US6540333B2Dynamic memory based firing cell for thermal ink jet printheadHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 1, 2003·21 cites·18 claims
- 2085US9707752B2Inkjet print head with shared data linesTORGERSON JOSEPH M·Filed 2007·Granted Jul 18, 2017·9 cites·13 claims
- 2185US7384113B2Fluid ejection device with address generatorHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Jun 10, 2008·19 cites·17 claims
- 2284US8540348B2Fluid ejection deviceBENJAMIN TRUDY L·Filed 2008·Granted Sep 24, 2013·8 cites·22 claims
- 2384US8109586B2Fluid ejection deviceBENJAMIN TRUDY·Filed 2007·Granted Feb 7, 2012·7 cites·22 claims
- 2483US6398335B1Magnetic connection of ink-jet printer componentsHEWLETT PACKARD CO·Filed 2000·Granted Jun 4, 2002·23 cites·17 claims
- 2582US7794057B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Sep 14, 2010·4 cites·17 claims
- 2682US7497536B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Mar 3, 2009·18 cites·18 claims
- 2782US6082854AModular ink-jet hard copy apparatus and methodologyHEWLETT PACKARD CO·Filed 1998·Granted Jul 4, 2000·33 cites·19 claims
- 2881US10378946B2Ink level sensingHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Aug 13, 2019·1 cites·10 claims
- 2980US6260941B1Acoustic and ultrasonic monitoring of inkjet dropletsHEWLETT PACKARD CO·Filed 1999·Granted Jul 17, 2001·32 cites·33 claims
- 3079US9252149B2Device including active floating gate region area that is smaller than channel areaGE NING·Filed 2012·Granted Feb 2, 2016·4 cites·11 claims
- 3179US7815287B2Fluid ejection device and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Oct 19, 2010·5 cites·7 claims
- 3278US8449079B2Fluid ejection device having first and second resistorsGE NING·Filed 2011·Granted May 28, 2013·2 cites·19 claims
- 3378US7648227B2Fluid ejection device with data signal latch circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jan 19, 2010·4 cites·16 claims
- 3478US7345915B2Modified-layer EPROM cellHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Mar 18, 2008·6 cites·25 claims
- 3577US9289978B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted Mar 22, 2016·2 cites·13 claims
- 3676US6257717B1Modular ink-jet hard copy apparatus and methodologyHEWLETT PACKARD CO·Filed 2000·Granted Jul 10, 2001·12 cites·11 claims
- 3775US8770685B2Logical and virtual nozzle-fire-restart-line for fluid-ejection deviceSHEPHERD MATTHEW A·Filed 2009·Granted Jul 8, 2014·6 cites·15 claims
- 3875US8128205B2Fluid ejection deviceBENJAMIN TRUDY·Filed 2007·Granted Mar 6, 2012·4 cites·13 claims
- 3975US7278703B2Fluid ejection device with identification cellsHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Oct 9, 2007·13 cites·53 claims
- 4075US6493937B1Method of manufacture for ink-jet hard copy apparatus using a modular approach to ink-jet technologyHEWLETT PACKARD CO·Filed 1998·Granted Dec 17, 2002·34 cites·14 claims
- 4170US9268023B2Drop detectionHEWLETT PACKARD DEVELOPMENT CO·Filed 2012·Granted Feb 23, 2016·5 cites·20 claims
- 4269US8460947B2Fluid ejection device and methodLEIGH STAN E·Filed 2010·Granted Jun 11, 2013·5 cites·10 claims
- 4369US6406121B1Inkjet airbrush control systemHEWLETT PACKARD CO·Filed 2001·Granted Jun 18, 2002·14 cites·60 claims
- 4468US9085139B2Method and assembly to detect fluidBENJAMIN TRUDY·Filed 2011·Granted Jul 21, 2015·2 cites·12 claims
- 4567US10170466B2Device having an active channel regionHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jan 1, 2019·0 cites·20 claims
- 4667US7578591B2Filing, identifying, validating, and servicing tip for fluid-ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Aug 25, 2009·2 cites·7 claims
- 4766US7935317B2Handheld and/or mountable fluid-ejection device receptive to tip containing fluid and fluid-ejection mechanismHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted May 3, 2011·2 cites·9 claims
- 4865US9773782B2Transistor having an active channel regionHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2016·Granted Sep 26, 2017·0 cites·20 claims
- 4963US5721573ACooldown timing system monitors inkjet cartridge ink levelsHEWLETT PACKARD CO·Filed 1995·Granted Feb 24, 1998·26 cites·20 claims
- 5062US7488056B2Fluid ejection deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Feb 10, 2009·8 cites·34 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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