Inventor · disambiguated record
Michael L. Bullock
Also filed as: BULLOCK MICHAEL L
43 granted patents·4,485 citations·filing 1986–2004
99Inventor score
Top patents by PatentIndex Score
43 records- 0199US6039430AMethod and apparatus for storing and retrieving information on a replaceable printing componentHEWLETT PACKARD CO·Filed 1998·Granted Mar 21, 2000·325 cites·22 claims
- 0299US5812156AApparatus controlled by data from consumable parts with incorporated memory devicesHEWLETT PACKARD CO·Filed 1997·Granted Sep 22, 1998·351 cites·24 claims
- 0398US6130695AInk delivery system adapterHEWLETT PACKARD CO·Filed 1998·Granted Oct 10, 2000·211 cites·8 claims
- 0498US6065824AMethod and apparatus for storing information on a replaceable ink containerHEWLETT PACKARD CO·Filed 1997·Granted May 23, 2000·222 cites·14 claims
- 0598US6019449AApparatus controlled by data from consumable parts with incorporated memory devicesHEWLETT PACKARD CO·Filed 1998·Granted Feb 1, 2000·229 cites·21 claims
- 0698US5835817AReplaceable part with integral memory for usage, calibration and other dataHEWLETT PACKARD CO·Filed 1997·Granted Nov 10, 1998·425 cites·26 claims
- 0797US6168262B1Electrical interconnect for replaceable ink containersHEWLETT PACKARD CO·Filed 1997·Granted Jan 2, 2001·174 cites·27 claims
- 0897US6151039AInk level estimation using drop count and ink level senseHEWLETT PACKARD CO·Filed 1997·Granted Nov 21, 2000·143 cites·46 claims
- 0997US5956057AInk container having electronic and mechanical features enabling plug compatibility between multiple supply sizesHEWLETT PACKARD CO·Filed 1997·Granted Sep 21, 1999·110 cites·29 claims
- 1097US5699091AReplaceable part with integral memory for usage, calibration and other dataHEWLETT PACKARD CO·Filed 1996·Granted Dec 16, 1997·433 cites·21 claims
- 1196US6713201B2Systems including replaceable fuel cell apparatus and methods of using replaceable fuel cell apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Mar 30, 2004·82 cites·11 claims
- 1296US6203147B1Electrical and fluidic interface for an ink supplyHEWLETT PACKARD CO·Filed 1997·Granted Mar 20, 2001·135 cites·17 claims
- 1396US6113208AReplaceable cartridge for a printer including resident memory with stored message triggering dataHEWLETT PACKARD CO·Filed 1997·Granted Sep 5, 2000·178 cites·33 claims
- 1495US6271928B1Electrical storage device for a replaceable printing componentHEWLETT PACKARD CO·Filed 1998·Granted Aug 7, 2001·91 cites·29 claims
- 1595US6170937B1Ink container refurbishment methodHEWLETT PACKARD CO·Filed 1998·Granted Jan 9, 2001·139 cites·17 claims
- 1695US6126265AInk jet printer service station controlled by data from consumable parts with incorporated memory devicesHEWLETT PACKARD CO·Filed 1997·Granted Oct 3, 2000·173 cites·27 claims
- 1794US6924054B2Fuel supply for a fuel cellHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 2, 2005·110 cites·49 claims
- 1894US6828049B2Replaceable fuel cell apparatus having information storage deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Dec 7, 2004·63 cites·46 claims
- 1994US6322205B1Ink delivery system adapterHEWLETT PACKARD CO·Filed 1998·Granted Nov 27, 2001·103 cites·32 claims
- 2094US6227638B1Electrical refurbishment for ink delivery systemHEWLETT PACKARD CO·Filed 1998·Granted May 8, 2001·95 cites·27 claims
- 2193US4818933ABoard fixturing systemHEWLETT PACKARD CO·Filed 1986·Granted Apr 4, 1989·90 cites·26 claims
- 2291US5104277AMethod and apparatus for automatically changing printed circuit board test fixturesHEWLETT PACKARD CO·Filed 1989·Granted Apr 14, 1992·64 cites·26 claims
- 2389US6722753B2Method and apparatus for checking compatibility of a replaceable printing componentHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 20, 2004·31 cites·9 claims
- 2487US6345891B1Method and apparatus for specifying ink volume in a multichamber ink containerHEWLETT PACKARD CO·Filed 2000·Granted Feb 12, 2002·31 cites·17 claims
- 2586US6619789B2Ink delivery system adapterHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Sep 16, 2003·26 cites·20 claims
- 2685US6196663B1Method and apparatus for balancing colorant usageHEWLETT PACKARD CO·Filed 1999·Granted Mar 6, 2001·88 cites·34 claims
- 2785US5094584AMethod and apparatus for automatically changing printed circuit board test fixturesHEWLETT PACKARD CO·Filed 1990·Granted Mar 10, 1992·59 cites·15 claims
- 2884US6863377B2Method and apparatus for identifying a sales channelHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Mar 8, 2005·17 cites·38 claims
- 2983US6559973B2Electrical storage device for a replaceable printing componentHEWLETT PACKARD CO·Filed 2001·Granted May 6, 2003·19 cites·17 claims
- 3080US7249831B2Ink container refurbishment systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jul 31, 2007·20 cites·17 claims
- 3180US6318850B1Ink container refurbishment systemHEWLETT PACKARD CO·Filed 1998·Granted Nov 20, 2001·40 cites·11 claims
- 3280US6305795B2Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizesFiled 1999·Granted Oct 23, 2001·35 cites·28 claims
- 3378US6793329B2Electrical and fluidic interface for an ink supplyHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Sep 21, 2004·16 cites·12 claims
- 3475US6488352B1Method and apparatus for checking compatibility of a replaceable printing componentHEWLETT PACKARD CO·Filed 1998·Granted Dec 3, 2002·29 cites·12 claims
- 3572US4799007ABendable pin board test fixtureHEWLETT PACKARD CO·Filed 1987·Granted Jan 17, 1989·28 cites·15 claims
- 3669US7008050B2Ink container refurbishment systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Mar 7, 2006·12 cites·34 claims
- 3769US5055779AIntegrated board testing systemHEWLETT PACKARD CO·Filed 1990·Granted Oct 8, 1991·30 cites·9 claims
- 3866US7306863B2Replaceable fuel cell apparatus having information storage deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Dec 11, 2007·6 cites·14 claims
- 3959US7188918B2Ink delivery system adapterHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 13, 2007·7 cites·12 claims
- 4059US6922259B2Electrical storage device for a replaceable printing componentHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jul 26, 2005·5 cites·13 claims
- 4157US7632584B2Systems including replaceable fuel cell apparatus and methods of using replaceable fuel cell apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Dec 15, 2009·2 cites·10 claims
- 4247US6494562B1Method and apparatus for identifying a sales channelHEWLETT PACKARD CO·Filed 1999·Granted Dec 17, 2002·28 cites·15 claims
- 4344US5311119AProbe contact through small amplitude vibration for bed of nails testingHEWLETT PACKARD CO·Filed 1990·Granted May 10, 1994·10 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →