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Class Information
Number: 347/84
Name: Incremental printing of symbolic information > Ink jet > Fluid or fluid source handling means
Description: Subject matter wherein means are provided for controlling, treating, supplying, or otherwise manipulating the ejection fluid*.










Sub-classes under this class:

Class Number Class Name Patents
347/95 Fluid (e.g., fluid specifics) 577
347/85 Fluid supply system 2,457
347/93 With fluid treatment (e.g., filtering) 373
347/94 With means to reduce vibration in the fluid (damping) 333
347/92 With means to remove and/or accommodate bubbles in the fluid 498


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
7591545 Liquid application device and inkjet recording apparatus Sep. 22, 2009
7588301 Method for controlling the ink refilling procedure of a print engine Sep. 15, 2009
7588323 Print media cartridge incorporating print media and ink housing assemblies Sep. 15, 2009
7588324 Ink cartridge having enlarged end reservoirs Sep. 15, 2009
7581813 Ink-jet recording apparatus Sep. 1, 2009
7578567 Container having liquid detecting function Aug. 25, 2009
7571995 Ink cartridge refill system for inkjet printers and method of refilling ink cartridges using the same Aug. 11, 2009
7559636 Ink tank with valve in ink supply port Jul. 14, 2009
7559634 Ink-jet recording device and ink supply unit suitable for it Jul. 14, 2009
7559615 Inkjet device and method Jul. 14, 2009
7556359 Ink refill unit with a working outlet and other dummy outlets Jul. 7, 2009
7549738 Ink refill unit for a negatively pressurized ink reservoir of a printer cartridge Jun. 23, 2009
7547096 Apparatus and methods of depositing fluid Jun. 16, 2009
7543920 System and method for connecting an ink bottle to an ink reservoir of an ink jet printing system Jun. 9, 2009
7543921 Ink-jet printing apparatus with foam removing means Jun. 9, 2009
7543922 Liquid supply apparatus and method, and inkjet recording apparatus Jun. 9, 2009
7540597 Process for refilling inkjet cartridges Jun. 2, 2009
7540587 Liquid passage forming member guiding device Jun. 2, 2009
7533973 Inkjet printer system with a pair of motor assemblies May. 19, 2009
7527365 Initial filling method for functional liquid droplet ejection head, initial filling apparatus for functional liquid droplet ejection head, functional liquid droplet ejection head, functional l May. 5, 2009
7524025 Inkjet printer Apr. 28, 2009
7524043 Refill unit for engaging with, and closing the outlet valve from an ink storage compartment Apr. 28, 2009
7524045 Print roll assembly Apr. 28, 2009
7520599 Ink-jet recording apparatus Apr. 21, 2009
7513610 Cover assembly for a print engine with push rod for actuating a refill unit Apr. 7, 2009
7506966 Printer incorporating a print roll unit supplying ink to a baffled ink supply unit Mar. 24, 2009
7506971 Fluid delivery system for printing device Mar. 24, 2009
7500737 Free flow fluid delivery system for printing device Mar. 10, 2009
7494211 Droplet discharge apparatus Feb. 24, 2009
7494215 Multiple chamber ink cartridge Feb. 24, 2009
7490926 Ink jet recorder and ink filling method Feb. 17, 2009
7490925 Free flow fluid delivery system for printing device Feb. 17, 2009
7488058 Ink container and ink jet recording apparatus Feb. 10, 2009
7484836 System and methods for fluid drop ejection Feb. 3, 2009
7478895 Backprinting assembly for a photographic printer Jan. 20, 2009
7478900 Toner remain amount detecting method, image forming apparatus and MFP Jan. 20, 2009
7470013 Recording liquid container, ink jet recording apparatus, and cartridge collecting apparatus Dec. 30, 2008
7470008 Simplified refilling assembly of DURABrite ink cartridge Dec. 30, 2008
7470007 Method of refilling a high speed print engine Dec. 30, 2008
7470006 Inkjet printer with cartridge cradle having interfaces for refill units Dec. 30, 2008
7467845 Image forming apparatus Dec. 23, 2008
7465043 Liquid distribution unit, ink-jet recording apparatus and image forming apparatus Dec. 16, 2008
7461928 Fluid-delivery mechanism for fluid-ejection device Dec. 9, 2008
7458663 Pressure-regulating valve, functional liquid supplying apparatus, imaging apparatus, method of manufacturing electro-optic device, electro-optic device, and electronic apparatus Dec. 2, 2008
7458664 Liquid ejection apparatus Dec. 2, 2008
7458665 Machine fluid supply assembly comprising keying means Dec. 2, 2008
7452061 Method and device for filling a printing-fluid container Nov. 18, 2008
7445324 Ink cartridges Nov. 4, 2008
7445394 Pen-like device incorporating a multi-colored printer Nov. 4, 2008
7438397 Methods and devices for purging gases from an ink reservoir Oct. 21, 2008

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