Inventor
POWERS JAMES HAROLD
US37 patents
⚠️ This page may combine multiple inventors who share the name “POWERS JAMES HAROLD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEXMARK INT INC
35 patentsUS6045214AApr 4, 2000
Ink jet printer nozzle plate having improved flow feature design and method of making nozzle plates
LEXMARK INT INC173 citations99
US6402301B1Jun 11, 2002
Ink jet printheads and methods therefor
LEXMARK INT INC87 citations98
US5975687ANov 2, 1999
Insertable baffle for an ink supply reservoir
LEXMARK INT INC96 citations98
US6024440AFeb 15, 2000
Nozzle array for printhead
LEXMARK INT INC88 citations97
US6158843ADec 12, 2000
Ink jet printer nozzle plates with ink filtering projections
LEXMARK INT INC61 citations96
US5988803ANov 23, 1999
Ink leakage control arrangement for an ink cartridge
LEXMARK INT INC55 citations96
US6637866B1Oct 28, 2003
Energy efficient heater stack using DLC island
LEXMARK INT INC25 citations92
US6394593B1May 28, 2002
Vent system for ink jet pen having internal pressure regulator
LEXMARK INT INC36 citations92
US6283584B1Sep 4, 2001
Ink jet flow distribution system for ink jet printer
LEXMARK INT INC43 citations92
US6270211B1Aug 7, 2001
Bubble elimination and filter tower structure
LEXMARK INT INC42 citations92
US6209203B1Apr 3, 2001
Method for making nozzle array for printhead
LEXMARK INT INC23 citations92
US6010208AJan 4, 2000
Nozzle array for printhead
LEXMARK INT INC23 citations92
US6007176ADec 28, 1999
Passive cooling arrangement for a thermal ink jet printer
LEXMARK INT INC38 citations92
US5940096AAug 17, 1999
Ink jet printhead assembly with non-emitting orifices
LEXMARK INT INC27 citations92
US7399074B2Jul 15, 2008
Ink tank for a printhead
LEXMARK INT INC21 citations91
US6629756B2Oct 7, 2003
Ink jet printheads and methods therefor
LEXMARK INT INC24 citations91
US6079811AJun 27, 2000
Ink jet printhead having a unitary actuator with a plurality of active sections
LEXMARK INT INC20 citations91
US6020905AFeb 1, 2000
Ink jet printhead for drop size modulation
LEXMARK INT INC22 citations91
US6902867B2Jun 7, 2005
Ink jet printheads and methods therefor
LEXMARK INT INC25 citations90
US5831653ANov 3, 1998
Ink jet print head cartridge
LEXMARK INT INC34 citations90
US6161927ADec 19, 2000
Ink jet printer cartridge with press-on lid
LEXMARK INT INC41 citations89
US6139138AOct 31, 2000
Bellows system for an ink jet pen
LEXMARK INT INC16 citations83
US6371600B1Apr 16, 2002
Polymeric nozzle plate
LEXMARK INT INC10 citations74
US6234612B1May 22, 2001
Ink jet printing apparatus having first and second print cartridges receiving energy pulses from a common drive circuit
LEXMARK INT INC8 citations74
US6193349B1Feb 27, 2001
Ink jet print cartridge having active cooling cell
LEXMARK INT INC9 citations74
US6523945B2Feb 25, 2003
Bubble generator for an ink jet print cartridge
LEXMARK INT INC12 citations73
US6244697B1Jun 12, 2001
Filter tower for ink jet printhead
LEXMARK INT INC11 citations73
US6623103B2Sep 23, 2003
Laser ablation method for uniform nozzle structure
LEXMARK INT INC7 citations72
US7413289B2Aug 19, 2008
Low energy, long life micro-fluid ejection device
LEXMARK INT INC6 citations70
US7850286B2Dec 14, 2010
Micro-fluid ejector pattern for improved performance
LEXMARK INT INC2 citations63
US7244014B2Jul 17, 2007
Micro-fluid ejection devices and method therefor
LEXMARK INT INC3 citations61
US7441869B2Oct 28, 2008
Ink jet print head adapted to minimize orientation-induced line-width variation
LEXMARK INT INC0 citations52
US7401898B2Jul 22, 2008
Ink jet print head adapted to minimize orientation-induced line-width variation
LEXMARK INT INC1 citations52
US7784918B2Aug 31, 2010
Low energy, long life micro-fluid ejection device
LEXMARK INT INC0 citations49
US7992965B2Aug 9, 2011
Ink jet printhead configured to minimize ink-flow dead zones in the bubble chamber
LEXMARK INT INC0 citations42