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Class Information
Number: 347/56
Name: Incremental printing of symbolic information > Ink jet > Ejector mechanism (i.e., print head) > Drop-on-demand > With thermal force ejection
Description: Subject matter wherein the source of intermittent energization is thermal energy (e.g., heat).


Sub-classes under this class:

Class Number Class Name Patents
347/63 Composite ejector 477
347/57 Drive signal application 271
347/66 Head separate from fluid supply 46
347/60 Preheat 121
347/61 Thermal force generators 189
347/67 With additional feature 170


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
7625069 Liquid discharge head having hollow portions for relaxing stress in the head and manufacturing method of the same Dec. 1, 2009
7607756 Printhead assembly for a wallpaper printer Oct. 27, 2009
7604323 Printhead nozzle arrangement with a roof structure having a nozzle rim supported by a series of struts Oct. 20, 2009
7604327 Liquid ejection apparatus and method for controlling liquid ejection apparatus Oct. 20, 2009
7600858 Micro-fluid ejection head structure Oct. 13, 2009
7600856 Liquid ejector having improved chamber walls Oct. 13, 2009
7600857 Liquid discharge head Oct. 13, 2009
7597423 Printhead chip with high nozzle areal density Oct. 6, 2009
7594713 Inkjet printer with unit cells having suspended heater elements Sep. 29, 2009
7591541 Nozzle arrangement having an actuator slot protection barrier to reduce ink wicking Sep. 22, 2009
7585052 Topography layer Sep. 8, 2009
7585053 Thermal inkjet printhead Sep. 8, 2009
7581820 Inkjet printhead and image forming apparatus including the same Sep. 1, 2009
7581816 Nozzle arrangement with a pivotal wall coupled to a thermal expansion actuator Sep. 1, 2009
7581809 Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head Sep. 1, 2009
7581819 Ink jet nozzle arrangement with volumetric ink ejection means Sep. 1, 2009
7578583 Fluid injection devices with sensors, fluid injection system and method of analyzing fluid in fluid injection devices Aug. 25, 2009
7571979 Thick film layers and methods relating thereto Aug. 11, 2009
7570494 Structure of flexible printed circuit board Aug. 4, 2009
7568790 Printhead integrated circuit with an ink ejecting surface Aug. 4, 2009
7568785 Nozzle plate and method of manufacturing the same Aug. 4, 2009
7568776 Recording apparatus Aug. 4, 2009
7562967 Printhead with a two-dimensional array of reciprocating ink nozzles Jul. 21, 2009
7559630 Substantially planar fluid ejection actuators and methods related thereto Jul. 14, 2009
7556358 Micro-electromechanical integrated circuit device with laminated actuators Jul. 7, 2009
7553884 Ink set for use in ink-jet recording, ink-jet recording process, recording unit and ink-jet recording apparatus Jun. 30, 2009
7553002 Ink-jet printhead Jun. 30, 2009
7549732 Printhead having nozzle arrangements with sealing structures Jun. 23, 2009
7549733 Diaphragm plate with partially-etched port Jun. 23, 2009
7543915 Fluid ejection device Jun. 9, 2009
7540592 Micro-electromechanical nozzle assembly with an arcuate actuator Jun. 2, 2009
7537314 Inkjet printhead having nozzle arrangements with ink spreading prevention rims May. 26, 2009
7533963 High nozzle density printhead May. 19, 2009
7533967 Nozzle arrangement for an inkjet printer with multiple actuator devices May. 19, 2009
7533968 Nozzle arrangement with sidewall incorporating heater element May. 19, 2009
7533970 Inkjet printhead integrated circuit with suspended heater element spaced from chamber walls May. 19, 2009
7533971 Head of inkjet printer and method of manufacturing the same May. 19, 2009
7527347 Ink jet print head and ink jet printing apparatus having a plurality of slits formed in a heater substrate mounting surface May. 5, 2009
7524032 Inkjet nozzle assembly with resistive heating actuator Apr. 28, 2009
7524033 Nozzle arrangent with movable ink ejection structure Apr. 28, 2009
7524034 Heat dissipation within thermal ink jet printhead Apr. 28, 2009
7520593 Nozzle arrangement for an inkjet printhead chip that incorporates a nozzle chamber reduction mechanism Apr. 21, 2009
7517056 Fluid ejection device Apr. 14, 2009
7517057 Nozzle arrangement for an inkjet printhead that incorporates a movement transfer mechanism Apr. 14, 2009
7513605 Inkjet printhead with heat generating resistor Apr. 7, 2009
7513606 Fluid coupler and a device arranged with the same Apr. 7, 2009
7506962 Liquid discharge method, liquid discharge head and liquid discharge apparatus Mar. 24, 2009
7506968 Inkjet printhead integrated circuit having nozzle assemblies with a bubble collapse point close to ink ejection aperture Mar. 24, 2009
7506969 Ink jet nozzle assembly with linearly constrained actuator Mar. 24, 2009
7497555 Inkjet nozzle assembly with pre-shaped actuator Mar. 3, 2009

1 2 3 4 5 6 7 8 9 10


 
 
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