| 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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| 08/21/1979 | US4165191 Web feed, web cutting and ribbon feed means for a stationery mosaic printer |
| 08/21/1979 | CA1060706A1 Dot matrix printer |
| 08/14/1979 | US4164745 Printing by modulation of ink viscosity |
| 08/14/1979 | CA1060530A1 Startup apparatus and method for jet drop recording |
| 08/07/1979 | US4163980 Recording electrode assembly for use in electrostatic reproduction |
| 08/07/1979 | CA1060083A1 Ink jet line printer |
| 07/31/1979 | US4163285 Control circuit for metal paper printer head |
| 07/31/1979 | US4163075 Electric discharge recording material |
| 07/31/1979 | US4162858 Stylus printer impact energy control |
| 07/31/1979 | CA1059578A1 Sequential strobing of dot matrix printer to enhance print quality |
| 07/31/1979 | CA1059575A1 Duplex fusing apparatus and method |
| 07/24/1979 | US4162503 Printing head with taut wire electrodes |
| 07/24/1979 | US4162502 Printer with electrostatic ink control |
| 07/24/1979 | US4162501 Ink supply system for an ink jet printer |
| 07/24/1979 | US4162131 Drive circuit for printing head |
| 07/24/1979 | CA1059208A1 Thin film thermal print head |
| 07/24/1979 | CA1059200A1 Charge electrode assembly for ink jet printer |
| 07/24/1979 | CA1059199A1 Guard jets in multiple nozzle printing |
| 07/24/1979 | CA1059198A1 Font selection system |
| 07/24/1979 | CA1059197A1 Ink jet nozzle structure and method of making |
| 07/17/1979 | US4161670 Circuit arrangement for driving piezoelectric ink jet printers |
| 07/17/1979 | US4161141 Two side multi roller toner station for electrographic non-impact printer |
| 07/17/1979 | CA1058642A1 Weighing scale digital printer |
| 07/11/1979 | EP0002703A1 Method of production of thin conducting metal strips on semiconductor substrates and strips produced by this method |
| 07/11/1979 | EP0002699A1 Circuitry for matrix printers for generating characters according to the double-print principle |
| 07/10/1979 | US4160982 Anti-dispersion accumulator for ink jet printing system |
| 07/10/1979 | US4160896 Heat developing device for locally heat developing a dry photosensitive film |
| 07/03/1979 | US4159882 High quality printer |
| 07/03/1979 | CA1057811A1 Electrostatographic recording member with combined positioning and grounding means |
| 07/03/1979 | CA1057575A1 Matrix printer comprising parallel printing pins |
| 07/03/1979 | CA1057490A1 High resistance cermet film and method of making the same |
| 06/27/1979 | EP0002591A1 Priming means for liquid ink writing apparatus |
| 06/26/1979 | US4158909 Method of making a head for a mosaic printer |
| 06/26/1979 | CA1057201A1 Electronic halftone imaging system |
| 06/19/1979 | US4158848 Electrostatic recording multi-stylus electrode device |
| 06/19/1979 | US4158847 Piezoelectric operated printer head for ink-operated mosaic printer units |
| 06/19/1979 | CA1056899A1 Vacuum return system for ink jet printing apparatus |
| 06/12/1979 | US4158204 Time correction system for multi-nozzle ink jet printer |
| 06/12/1979 | US4157935 Method for producing nozzle arrays for ink jet printers |
| 06/12/1979 | US4157873 Dot printing apparatus |
| 06/12/1979 | CA1056511A1 Intermetallic layers in thin films for improved electromigration resistance |
| 06/12/1979 | CA1056442A1 Optical printer character generator |
| 06/12/1979 | CA1056441A1 Ink ejection type writing system using amplitude-modulated electric signals |
| 06/12/1979 | CA1056440A1 Ink jet drop generator |
| 06/12/1979 | CA1056439A1 Method and apparatus for controlling satellites in an ink jet printing system |
| 06/05/1979 | US4157554 Multiple-electrode print head for metal paper printers |
| 06/05/1979 | US4157553 Recording electrode power limiting circuit for an electrographic recorder |
| 06/05/1979 | US4157551 Distortion reduction in ink jet system printer |
| 06/05/1979 | US4157533 Independent channel automatic gain control for self-scanning photocell array |
| 06/05/1979 | US4156960 Method of manufacting a wire printer head |
| 06/05/1979 | CA1056060A1 Method and apparatus for enhancing data |
| 06/05/1979 | CA1055849A1 Matrix print head repetition rate control |
| 06/05/1979 | CA1055718A1 Electromagnetic valve array in jet dyeing apparatus |
| 05/30/1979 | EP0002102A1 Xerographic printer/copier device with converter for converting information from a latent image of an original document into electrical signals |
| 05/29/1979 | CA1055558A1 Apparatus for applying liquid droplets to a surface by using a high speed laminar air flow to accelerate the same |
| 05/22/1979 | US4156245 High frequency carrier electric recording process |
| 05/22/1979 | US4156244 Ink jet printer ink cartridge |
| 05/22/1979 | US4155661 Mounting arrangement for electromagnet driving structures in a mosaic needle printer head |
| 05/22/1979 | US4155660 Alloys of platinum group metals and transition metals |
| 05/22/1979 | CA1054851A1 Wire matrix print head |
| 05/15/1979 | US4155103 Dot matrix copying apparatus |
| 05/15/1979 | US4155093 Method and apparatus for generating charged particles |
| 05/15/1979 | US4154874 Of aluminum and a transition metal, annealing, masking |
| 05/15/1979 | US4154541 Printer head assembly |
| 05/15/1979 | US4154195 Printing device utilizing solvent dissolved toner applied to a recording carrier |
| 05/08/1979 | US4153950 Data bit assembler |
| 05/08/1979 | US4153902 Bubble removal in an ink liquid supply for an ink jet system printer |
| 05/08/1979 | US4153901 Variable frequency multi-orifice IJP |
| 05/08/1979 | US4153593 Fluorescent ink composition for jet printing |
| 05/08/1979 | CA1054061A1 Digital flow pressure regulator |
| 05/01/1979 | US4152710 Ink liquid supply system for an ink jet system printer |
| 05/01/1979 | CA1053738A1 Electrostatic printer support with controlled electrostatic field voltage |
| 04/24/1979 | US4151555 Optical scanning and encoding device |
| 04/24/1979 | US4151535 Electro-erosion head and manufacturing method |
| 04/24/1979 | US4151397 Self-aligning thermal print head |
| 04/24/1979 | US4150902 Electronic printer having a single tracing element for tracing out alphanumeric characters |
| 04/24/1979 | US4150620 Ink mist type high speed printer |
| 04/24/1979 | CA1053072A1 Matrix printer incorporating intermittent ink ribbon transport |
| 04/18/1979 | EP0001472A1 Method and apparatus for generating alpha-numeric characters for an impact matrix printer |
| 04/17/1979 | US4150388 A-C charged electrostatic recording process |
| 04/17/1979 | US4150387 Alternating current electrostatic recording process |
| 04/17/1979 | US4150384 Method and apparatus for synchronizing charging of droplets of a pressurized conductive liquid stream |
| 04/17/1979 | US4149807 Method of typewriting or printing |
| 04/17/1979 | US4149798 Electrophotographic apparatus and method for producing printing masters |
| 04/10/1979 | US4149172 Ink supply system for piezoelectrically operated printing jets |
| 04/10/1979 | US4149171 Thermal recording method |
| 04/10/1979 | CA1052176A1 Actuator mechanisms for wire matrix printers |
| 04/04/1979 | EP0001373A1 Method of forming smooth and pinhole-free silicon carbide films on a silicon substrate |
| 04/03/1979 | US4148057 Direct laser printing and forming apparatus |
| 04/03/1979 | US4148043 Two-color electrostatic printing apparatus |
| 04/03/1979 | US4148042 Electrographic copier with one-piece belt and styli |
| 04/03/1979 | US4148041 Method and apparatus for purging air from jet ink writing systems |
| 04/03/1979 | US4147401 Polygonal mirror holder and drive assembly |
| 03/27/1979 | US4146901 Apparatus for recording information on a recording surface |
| 03/27/1979 | US4146900 Printing system |
| 03/27/1979 | US4146899 Formed orifice plate for ink jet printing apparatus |
| 03/27/1979 | US4146789 Multi-pin electrode assembly |
| 03/27/1979 | CA1051506A1 Thermal gas printer |
| 03/27/1979 | CA1051504A1 Electrographic recording stylus |
| 03/27/1979 | CA1051502A1 Ink jet printing intensity modulation |