Inventor
BULLOCK MICHAEL L
US44 patents
⚠️ This page may combine multiple inventors who share the name “BULLOCK MICHAEL L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
30 patentsUS6130695AOct 10, 2000
Ink delivery system adapter
HEWLETT PACKARD CO211 citations99
US6039430AMar 21, 2000
Method and apparatus for storing and retrieving information on a replaceable printing component
HEWLETT PACKARD CO325 citations99
US6019449AFeb 1, 2000
Apparatus controlled by data from consumable parts with incorporated memory devices
HEWLETT PACKARD CO229 citations99
US5812156ASep 22, 1998
Apparatus controlled by data from consumable parts with incorporated memory devices
HEWLETT PACKARD CO351 citations99
US6227638B1May 8, 2001
Electrical refurbishment for ink delivery system
HEWLETT PACKARD CO95 citations98
US6203147B1Mar 20, 2001
Electrical and fluidic interface for an ink supply
HEWLETT PACKARD CO135 citations98
US6168262B1Jan 2, 2001
Electrical interconnect for replaceable ink containers
HEWLETT PACKARD CO174 citations98
US6151039ANov 21, 2000
Ink level estimation using drop count and ink level sense
HEWLETT PACKARD CO143 citations98
US6065824AMay 23, 2000
Method and apparatus for storing information on a replaceable ink container
HEWLETT PACKARD CO222 citations98
US5956057ASep 21, 1999
Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizes
HEWLETT PACKARD CO110 citations98
US5835817ANov 10, 1998
Replaceable part with integral memory for usage, calibration and other data
HEWLETT PACKARD CO425 citations98
US5699091ADec 16, 1997
Replaceable part with integral memory for usage, calibration and other data
HEWLETT PACKARD CO433 citations98
US6322205B1Nov 27, 2001
Ink delivery system adapter
HEWLETT PACKARD CO103 citations97
US6196663B1Mar 6, 2001
Method and apparatus for balancing colorant usage
HEWLETT PACKARD CO88 citations97
US6113208ASep 5, 2000
Replaceable cartridge for a printer including resident memory with stored message triggering data
HEWLETT PACKARD CO178 citations97
US6494562B1Dec 17, 2002
Method and apparatus for identifying a sales channel
HEWLETT PACKARD CO28 citations96
US6170937B1Jan 9, 2001
Ink container refurbishment method
HEWLETT PACKARD CO139 citations96
US6126265AOct 3, 2000
Ink jet printer service station controlled by data from consumable parts with incorporated memory devices
HEWLETT PACKARD CO173 citations96
US5104277AApr 14, 1992
Method and apparatus for automatically changing printed circuit board test fixtures
HEWLETT PACKARD CO64 citations96
US5094584AMar 10, 1992
Method and apparatus for automatically changing printed circuit board test fixtures
HEWLETT PACKARD CO59 citations96
US4818933AApr 4, 1989
Board fixturing system
HEWLETT PACKARD CO90 citations96
US6271928B1Aug 7, 2001
Electrical storage device for a replaceable printing component
HEWLETT PACKARD CO91 citations95
US4799007AJan 17, 1989
Bendable pin board test fixture
HEWLETT PACKARD CO28 citations93
US6488352B1Dec 3, 2002
Method and apparatus for checking compatibility of a replaceable printing component
HEWLETT PACKARD CO29 citations92
US6345891B1Feb 12, 2002
Method and apparatus for specifying ink volume in a multichamber ink container
HEWLETT PACKARD CO31 citations92
US6318850B1Nov 20, 2001
Ink container refurbishment system
HEWLETT PACKARD CO40 citations92
US5055779AOct 8, 1991
Integrated board testing system
HEWLETT PACKARD CO30 citations92
US6559973B2May 6, 2003
Electrical storage device for a replaceable printing component
HEWLETT PACKARD CO19 citations90
US5311119AMay 10, 1994
Probe contact through small amplitude vibration for bed of nails testing
HEWLETT PACKARD CO10 citations74
US4993136AFeb 19, 1991
Method of converting a vacuum test fixture on a board testing apparatus to a mechanical test fixture
HEWLETT PACKARD CO18 citations74
HEWLETT PACKARD DEVELOPMENT CO
13 patentsUS6713201B2Mar 30, 2004
Systems including replaceable fuel cell apparatus and methods of using replaceable fuel cell apparatus
HEWLETT PACKARD DEVELOPMENT CO82 citations98
US6924054B2Aug 2, 2005
Fuel supply for a fuel cell
HEWLETT PACKARD DEVELOPMENT CO110 citations97
US6828049B2Dec 7, 2004
Replaceable fuel cell apparatus having information storage device
HEWLETT PACKARD DEVELOPMENT CO63 citations96
US7249831B2Jul 31, 2007
Ink container refurbishment system
HEWLETT PACKARD DEVELOPMENT CO20 citations92
US6863377B2Mar 8, 2005
Method and apparatus for identifying a sales channel
HEWLETT PACKARD DEVELOPMENT CO17 citations92
US6722753B2Apr 20, 2004
Method and apparatus for checking compatibility of a replaceable printing component
HEWLETT PACKARD DEVELOPMENT CO31 citations92
US6619789B2Sep 16, 2003
Ink delivery system adapter
HEWLETT PACKARD DEVELOPMENT CO26 citations92
US7008050B2Mar 7, 2006
Ink container refurbishment system
HEWLETT PACKARD DEVELOPMENT CO12 citations84
US6793329B2Sep 21, 2004
Electrical and fluidic interface for an ink supply
HEWLETT PACKARD DEVELOPMENT CO16 citations84
US7306863B2Dec 11, 2007
Replaceable fuel cell apparatus having information storage device
HEWLETT PACKARD DEVELOPMENT CO6 citations74
US7188918B2Mar 13, 2007
Ink delivery system adapter
HEWLETT PACKARD DEVELOPMENT CO7 citations73
US6922259B2Jul 26, 2005
Electrical storage device for a replaceable printing component
HEWLETT PACKARD DEVELOPMENT CO5 citations71
US7632584B2Dec 15, 2009
Systems including replaceable fuel cell apparatus and methods of using replaceable fuel cell apparatus
HEWLETT PACKARD DEVELOPMENT CO2 citations63