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Class Information
Number: 347/65
Name: Incremental printing of symbolic information > Ink jet > Ejector mechanism (i.e., print head) > Drop-on-demand > With thermal force ejection > Composite ejector > Flow path
Description: Subject matter wherein one of the layers is provided to define a passage for the fluid*.


Patents under this class:
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Patent Number Title Of Patent Date Issued
RE40994 Ink jet recording head Nov. 24, 2009
7618124 Thermal bend actuator comprising porous material Nov. 17, 2009
7611229 Inkjet head Nov. 3, 2009
7611231 Inkjet printhead Nov. 3, 2009
7604323 Printhead nozzle arrangement with a roof structure having a nozzle rim supported by a series of struts Oct. 20, 2009
7600859 Inkjet printhead and manufacturing method thereof Oct. 13, 2009
7600857 Liquid discharge head Oct. 13, 2009
7597427 Liquid channel structure and liquid-droplet jetting apparatus Oct. 6, 2009
7597421 Method for assembling a modular printhead assembly Oct. 6, 2009
7591531 Liquid ejection head Sep. 22, 2009
7591539 Inkjet printhead with narrow printing zone Sep. 22, 2009
7591540 Ink ejection arrangement having cooperating chamber wall edge portions and paddle edge portions Sep. 22, 2009
7591541 Nozzle arrangement having an actuator slot protection barrier to reduce ink wicking Sep. 22, 2009
7585059 Ink jet head and production method therefor Sep. 8, 2009
7585056 Liquid discharge head Sep. 8, 2009
7581814 Ink channel extrusion module for a pagewidth printhead Sep. 1, 2009
7581818 Pagewidth inkjet printhead with ink ejection devices having a series of protrusions to facilitate ink ejection Sep. 1, 2009
7581821 Head substrate, printhead, head cartridge, and printing apparatus Sep. 1, 2009
7578582 Inkjet nozzle chamber holding two fluids Aug. 25, 2009
7571992 Pressure compensation structure for microelectromechanical systems Aug. 11, 2009
7571990 Inkjet heads Aug. 11, 2009
7571988 Variable-volume nozzle arrangement Aug. 11, 2009
7568788 Printhead with barrier at chamber inlet Aug. 4, 2009
7568790 Printhead integrated circuit with an ink ejecting surface Aug. 4, 2009
7568791 Nozzle arrangement with a top wall portion having etchant holes therein Aug. 4, 2009
7566117 Inkjet recording head and inkjet recording device Jul. 28, 2009
7566114 Inkjet printer with a pagewidth printhead having nozzle arrangements with an actuating arm having particular dimension proportions Jul. 28, 2009
7566113 Inkjet nozzle incorporating serpentine actuator Jul. 28, 2009
7562967 Printhead with a two-dimensional array of reciprocating ink nozzles Jul. 21, 2009
7556352 Inject printhead with outwarldy extending actuator tails Jul. 7, 2009
7556355 Inkjet nozzle arrangement with electro-thermally actuated lever arm Jul. 7, 2009
7556356 Inkjet printhead integrated circuit with ink spread prevention Jul. 7, 2009
7553001 Inkjet printhead with laterally reciprocating paddle Jun. 30, 2009
7552534 Method of manufacturing an integrated orifice plate and electroformed charge plate Jun. 30, 2009
7549224 Methods of making slotted substrates Jun. 23, 2009
7549728 Micro-electromechanical ink ejection mechanism utilizing through-wafer ink ejection Jun. 23, 2009
7549731 Inkjet printer having a printhead with a bi-layer thermal actuator coil Jun. 23, 2009
7549736 Printhead assembly having ink flow channels to accommodate offset chips Jun. 23, 2009
7549741 Recording head, recording apparatus, and recording system Jun. 23, 2009
7543924 Printhead assembly Jun. 9, 2009
7543921 Ink-jet printing apparatus with foam removing means Jun. 9, 2009
7540592 Micro-electromechanical nozzle assembly with an arcuate actuator Jun. 2, 2009
7540593 Fluid ejection assembly Jun. 2, 2009
7540594 Printhead assembly having vertically overlapping ink flow channels Jun. 2, 2009
7537311 Method and apparatus for ejecting liquid May. 26, 2009
7537316 Inkjet printhead having low mass ejection heater May. 26, 2009
7533967 Nozzle arrangement for an inkjet printer with multiple actuator devices May. 19, 2009
7527357 Inkjet nozzle array with individual feed channel for each nozzle May. 5, 2009
7524430 Fluid ejection device structures and methods therefor Apr. 28, 2009
7524037 Inkjet recording apparatus Apr. 28, 2009

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