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Class Information
Number: 347/22
Name: Incremental printing of symbolic information > Ink jet > Ejector mechanism (i.e., print head) > With cleaning or protector
Description: Subject matter wherein means are provided to keep the ejector* mechanism clean.










Sub-classes under this class:

Class Number Class Name Patents
347/24 For color 105
347/25 Gas 93
347/26 Heat 36
347/34 Mist or dust removal 190
347/29 Nozzle cap, cover, or protection 1,105
347/35 Purging without a cap 442
347/23 Responsive to condition 646
347/28 Solvent 254
347/27 Vibration 71
347/36 Waste storage 376
347/33 Wiping 917


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

Patent Number Title Of Patent Date Issued
6805440 Printing up to print medium edges without platen soiling Oct. 19, 2004
6796632 Refresh ink ejection device and inkjet recording device including the refresh ink ejection device Sep. 28, 2004
6793314 Cleaning ink jet print heads using ultra-violet and green Nd-YAG lasers Sep. 21, 2004
6789873 Inkjet printer with nozzle maintenance system relocated by media carrier Sep. 14, 2004
6789874 Method of cleaning nozzles in inkjet printhead Sep. 14, 2004
6773087 Resealed ink cartridge and method of manufacture Aug. 10, 2004
6769758 Cleaning device and ink-jet printer Aug. 3, 2004
6767077 Ink jet printhead that includes nozzle-clearing mechanisms Jul. 27, 2004
6755500 Ink tank, ink-jet cartridge, ink-supplying apparatus, ink-jet printing apparatus and method for supplying ink Jun. 29, 2004
6755501 Alternative ink/cleaner cartridge Jun. 29, 2004
6742864 Waste ink removal system Jun. 1, 2004
6742876 Eyelid operation for an ink jet printer Jun. 1, 2004
6742877 Ink-jet recording apparatus Jun. 1, 2004
6742859 Liquid jetting apparatus Jun. 1, 2004
6739692 Ink jet recording apparatus May. 25, 2004
6739693 Systems and methods for operating fluid ejection systems using a print head preparatory firing sequence May. 25, 2004
6739697 System and method for maintaining the front of a fluid jet device May. 25, 2004
6736481 System and method for cleaning ink ejection elements May. 18, 2004
6733106 Ink jet maintenance station with radial orientation May. 11, 2004
6712451 Printhead assembly with shift register stages facilitating cleaning of printhead nozzles Mar. 30, 2004
6698864 Ink drop detector waste ink removal system Mar. 2, 2004
6698863 Methods and apparatus for cleaning an inkjet print head Mar. 2, 2004
6692099 Testing nozzles in print heads Feb. 17, 2004
6692100 Cleaning apparatus and method of assembly therefor for cleaning an inkjet print head Feb. 17, 2004
6682164 Method and apparatus for adaptive servicing of inkjet printers Jan. 27, 2004
6669323 Mechanical deflection estimation for ink-jet service station motion servo Dec. 30, 2003
6669325 Apparatus and method for placing fluid droplets onto an object Dec. 30, 2003
6663218 Head recovery device, head recovery method and ink jet recording apparatus Dec. 16, 2003
6663215 Printhead service station Dec. 16, 2003
6659585 System and method for draining ink from ink receiving devices Dec. 9, 2003
6612681 Ink jet recording apparatus recording images when an ink jet recording head is installed thereon and reading head is installed thereon Sep. 2, 2003
6612032 Manufacturing method for ink jet pen Sep. 2, 2003
6607262 Reserving ink for printer servicing purposes Aug. 19, 2003
6604810 Printhead capping arrangement Aug. 12, 2003
6592200 Integrated print module and servicing assembly Jul. 15, 2003
6588339 Plate-making method, plate-making apparatus, computer-to-cylinder type lithographic printing process and computer-to-cylinder type lithographic printing apparatus Jul. 8, 2003
6585347 Printhead servicing based on relocating stationary print cartridges away from print zone Jul. 1, 2003
6578945 Printer for printing by discharging ink droplets from a plurality of nozzles, and whose ink discharge surface can be easily recovered Jun. 17, 2003
6578946 Movable ink drop detector pick up for a drop-on-demand printer Jun. 17, 2003
6575553 Inkjet residue cleaning system for inkjet cartridges Jun. 10, 2003
6575554 Ink jet recording apparatus Jun. 10, 2003
6568789 Print head maintenance device used in a printing device May. 27, 2003
6568787 Apparatus and method for accurately positioning inkjet printheads May. 27, 2003
6565183 Ink jet recording apparatus May. 20, 2003
6565182 Aerodynamic fairing structure for inkjet printing May. 20, 2003
6554391 Rotating disk cleaning assembly apparatus and method for an ink jet print head with fixed gutter Apr. 29, 2003
6550887 Ink drop detector Apr. 22, 2003
6547366 Cleaning method for nozzle plate of an ink jet print head Apr. 15, 2003
6540320 Low-height ink jet service station Apr. 1, 2003
6540321 Ink tank, ink-jet cartridge, ink-supplying apparatus, ink-jet printing apparatus and method for supplying ink Apr. 1, 2003

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