| Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049) |
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| 09/08/1981 | CA1108686A1 High speed imaging of electrophotographic film by fine beam scanning |
| 09/08/1981 | CA1108685A1 Method and apparatus for generating charged particles |
| 09/08/1981 | CA1108684A1 Electrographic writing system |
| 09/08/1981 | CA1108471A1 Free flight head assembly for dot matrix printers and the like |
| 09/08/1981 | CA1108470A1 Hammer for impact printer |
| 09/03/1981 | WO1981002465A1 Ink jet printer |
| 09/02/1981 | EP0034777A1 Ink writing apparatus |
| 09/01/1981 | US4287524 Electrostatic recording method with delayed control voltage |
| 09/01/1981 | US4287523 Valve for ink jet printer |
| 09/01/1981 | US4287522 Apparatus and a method for recording information |
| 09/01/1981 | US4286886 Method and apparatus for controlling the feed of projectiles in a microballistic printer |
| 09/01/1981 | CA1108217A1 Ink jet printer with deflected nozzles |
| 08/26/1981 | EP0034376A2 Thermosensitive stereo recording method |
| 08/26/1981 | EP0034309A2 Use of epoxy casting resin masses for preparing printing mechanisms of the writing jet type with multiple nozzles |
| 08/26/1981 | EP0034299A1 Printhead and blades therefor |
| 08/25/1981 | US4286274 Ink droplet catcher assembly |
| 08/25/1981 | US4286273 Deflection compensated ink ejected printing apparatus |
| 08/25/1981 | US4286272 Ink jet printer and start up method therefor |
| 08/25/1981 | US4285606 Arrangement for driving a printing head along a printing line |
| 08/25/1981 | US4285603 Wire printing device |
| 08/25/1981 | CA1107800A1 Coincidence fluid displacement and velocity expression of droplet |
| 08/19/1981 | EP0034066A2 Printer with forms overlay |
| 08/19/1981 | EP0034060A1 Ink jet printer |
| 08/18/1981 | US4284996 Driving ink jet recording elements |
| 08/18/1981 | US4284993 Multi-nozzle head for ink jet printer with ink supply pipe in ink chamber |
| 08/18/1981 | US4284876 Thermal printing system |
| 08/18/1981 | US4284363 Data matrix print head |
| 08/18/1981 | US4284362 Printer control logic |
| 08/18/1981 | US4284001 Head image generator for a matrix printer |
| 08/18/1981 | CA1107342A1 Electrostatic transfer of magnetically held toner images |
| 08/18/1981 | CA1107140A1 Inking apparatus |
| 08/18/1981 | CA1107139A1 Printing system |
| 08/12/1981 | EP0033717A1 Process for breaking a jet into a plurality of droplets of determined size and device for carrying out this process |
| 08/12/1981 | EP0033634A2 Thermal recording head |
| 08/11/1981 | US4283731 Ink jet printing apparatus |
| 08/11/1981 | US4283730 Droplet control aspects--ink evaporation reduction; low voltage contact angle control device; droplet trajectory release modes; uses for metallic ink drops in circuit wiring and press printing |
| 08/11/1981 | CA1106898A1 Trenched stimulating plate for a jet drop recording head |
| 08/11/1981 | CA1106690A1 Adjustable support for print head assembly |
| 08/11/1981 | CA1106689A1 Vibration dampening means for printing mechanism |
| 08/04/1981 | US4282535 Circuit arrangement for the operation of recording nozzles in ink mosaic recording devices |
| 08/04/1981 | US4282533 Precision orifice nozzle devices for ink jet printing apparati and the process for their manufacture |
| 08/04/1981 | US4282532 Ink jet method and apparatus using a thin film piezoelectric excitor for drop generation |
| 08/04/1981 | US4281904 TIR Electro-optic modulator with individually addressed electrodes |
| 08/04/1981 | CA1106435A1 Anti-dispersion accumulator for ink jet printing system |
| 08/04/1981 | CA1106434A1 Ink jet printer for selectively printing different resolutions |
| 08/04/1981 | CA1106233A1 Vibration damping means for ink jet printing device |
| 08/04/1981 | CA1106232A1 High quality printer |
| 08/04/1981 | CA1106164A1 Inks for pulsed elctrical printing and methods of producing same |
| 07/28/1981 | US4281333 Ink-on-demand type ink-jet printer with coordinated variable size drops with variable charges |
| 07/28/1981 | US4281332 Deflection compensated ink ejection printing apparatus |
| 07/28/1981 | US4281331 Variable rate ink jet printing |
| 07/28/1981 | US4280767 Printing apparatus |
| 07/28/1981 | US4280404 Printer having variable hammer release drive |
| 07/28/1981 | CA1106071A1 No translation available |
| 07/28/1981 | CA1105982A1 Two-sided non-impact printing system |
| 07/28/1981 | CA1105771A1 Formed orifice plate for ink jet printing apparatus |
| 07/23/1981 | WO1981002061A1 Ink jet printer |
| 07/21/1981 | US4280130 Forming droplets for ink jet printing |
| 07/21/1981 | US4279653 Water soluble wetting agents and dyes and a sulfite oxygen absorber |
| 07/21/1981 | US4279521 Wire matrix print head |
| 07/21/1981 | US4279520 Print mechanism for wire printer |
| 07/21/1981 | US4279519 Dot matrix printing device employing novel image transfer technique for printing on single ply or multiple ply print receiving media |
| 07/21/1981 | US4279518 Dot matrix print head |
| 07/21/1981 | US4279483 Electro-optical character generator for photocomposing apparatus |
| 07/21/1981 | US4279199 Print head image generator for printer subsystem |
| 07/21/1981 | CA1105620A1 Character generating method and apparatus |
| 07/21/1981 | CA1105619A1 Character generating method and apparatus |
| 07/15/1981 | EP0031835A1 Stacked drop generators for pulsed ink jet printing. |
| 07/14/1981 | US4278984 Constant flow rate liquid supply pump |
| 07/14/1981 | US4278981 Optical printer |
| 07/14/1981 | US4278020 Print wire actuator block assembly for printers |
| 07/14/1981 | US4278019 All-points addressable dot printer |
| 07/14/1981 | CA1105071A1 Two side multi roller toner station for electrographic non-impact printer |
| 07/14/1981 | CA1105068A1 Resistively coated deflection ribbon for an ink jet printing device |
| 07/08/1981 | EP0031670A1 Graphic forming device with preview feature |
| 07/08/1981 | EP0031540A2 Glass-based fusible seal, particularly for a charge electrode of an ink-jet printer |
| 07/08/1981 | EP0031453A1 Ribbons for thermal transfer printing and methods of printing using such ribbons |
| 07/08/1981 | EP0031449A1 Ink jet printers having a modular ink jet head assembly |
| 07/08/1981 | EP0031421A2 Multiple mode printing system and method |
| 07/07/1981 | US4277791 Ink controlling device for ink printing equipment in office machines and the like |
| 07/07/1981 | US4277790 Field replaceable modules for ink jet head assembly |
| 07/07/1981 | US4277548 Method of producing a charge plate for use in an ink recorder |
| 07/07/1981 | CA1104414A1 Electronically controlled engraving machine |
| 06/30/1981 | US4276554 Ink jet mechanism for purging and activating |
| 06/30/1981 | CA1104200A1 Print head electrode for metal paper printers |
| 06/25/1981 | WO1981001767A1 A method for recording signals on bands by means of laser beams and apparatus for carrying out the method |
| 06/24/1981 | EP0030866A2 Graphic forming device with toggle clamped lamp arm |
| 06/24/1981 | EP0030865A1 Device for forming graphics |
| 06/24/1981 | EP0030536A1 Ink delivery apparatus for a dot matrix printer |
| 06/23/1981 | US4275402 Circuit arrangement for temperature-dependent voltage regulation of piezo-electric recording nozzles in ink mosaic recording devices |
| 06/23/1981 | US4275290 Thermally activated liquid ink printing |
| 06/23/1981 | CA1103733A1 Raster slant control in an ink jet printer |
| 06/23/1981 | CA1103732A1 Dot matrix copying apparatus |
| 06/23/1981 | CA1103731A1 Method and apparatus for automatically controlling the inclination of patterns in ink jet printers |
| 06/23/1981 | CA1103518A1 Metalloid filament wire matrix print head |
| 06/17/1981 | EP0030382A1 Printhead for mosaic ink-printing devices |
| 06/17/1981 | EP0030279A2 A system for printing an image of a signature on a matrix printer |
| 06/16/1981 | US4274101 Laser recorder with piezoelectric bimorph focal length vibrator |
| 06/16/1981 | US4274100 Electrostatic scanning ink jet system |
| 06/16/1981 | US4273452 Print head for a dot printer |