Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8101326 | Secure document printing method and system A method and system for printing documents with one or more embedded security features is provided. Security features are embedded in the document by co-printing magnetic and non-magnetic toner on a receiver before fixation by a fixing station. The combination of ma... | 01/24/2012 |
| 8091989 | Inkjet print device with air injector, associated air injector and wide format print head The invention relates to a wide format print head composed of X inkjet print devices intended to print on a moving support and for which the print quality is to be improved over the entire width. The solution according to the invention consists of inputting a... | 01/10/2012 |
| 8016395 | Device for controlling direction of fluid A device and a method of controlling fluid flow are provided. The method includes providing a moving fluid including a fluid flow characteristic; providing a fluid control device including a fluid control surface, the fluid control surface including a pattern that g... | 09/13/2011 |
| 8007082 | Device for controlling fluid velocity A device and a method of controlling fluid flow are provided. The method includes providing a moving fluid including a fluid flow velocity characteristic; providing a fluid control device including a fluid control surface, the fluid control surface including a patte... | 08/30/2011 |
| 7850289 | Steering fluid jets A printer includes a printhead and a source of fluid. The printhead includes a nozzle. The fluid is under pressure sufficient to eject a column of the fluid through the nozzle. The fluid has a temperature. An asymmetric thermal modulator is associated with the nozzl... | 12/14/2010 |
| 7673976 | Continuous ink jet apparatus and method using a plurality of break-off times A continuous liquid drop emission apparatus is disclosed comprising a liquid drop emitter containing a positively pressurized liquid in flow communication with a plurality of nozzles formed in a common nozzle member for emitting a plurality of continuous streams of ... | 03/09/2010 |
| 7434919 | Ink jet break-off length measurement apparatus and method A jet break-off length measurement apparatus for a continuous liquid drop emission system is provided. The jet break-off length measurement apparatus comprises a liquid drop emitter containing a positively pressurized liquid in flow communication with at least one n... | 10/14/2008 |
| 7404622 | Ink repellent coating on charge device to improve printer runability and printhead life An ink jet printhead includes a drop generator having an attached orifice structure forming a jet array adapted to use ink jet fluids with a charge device disposed opposite the jet array forming a gap. The charge device includes a dimensionally stable, non-porous su... | 07/29/2008 |
| 7364277 | Apparatus and method of controlling droplet trajectory A printhead has a fluid chamber having an orifice, an associated fluid drop forming mechanism, and an associated fluid drop steering device. The fluid drop forming mechanism is operable to apply to fluid present in the fluid chamber energy sufficient to cause a flui... | 04/29/2008 |
| 7364276 | Continuous ink jet apparatus with integrated drop action devices and control circuitry A continuous liquid drop emission apparatus is provided. The liquid drop emission apparatus is comprised of a liquid chamber containing a positively pressurized liquid in flow communication with at least one nozzle for emitting a continuous stream of liquid and a je... | 04/29/2008 |
| 7341333 | Apparatus for ejecting droplets An apparatus for ejecting droplets comprises a reservoir, a pressure applicator, a nozzle hole, and a main droplet catcher. In the reservoir, liquid is reserved. The pressure applicator applies pressure to the liquid reserved in the reservoir. The nozzle hole commun... | 03/11/2008 |
| 7334880 | Method of driving a droplet jetting head A method of driving a droplet jetting head comprising nozzle orifices to jet droplets, pressure generating chambers each of which can store liquid and communicate with one of the orifices, and pressurizing devices to change the pressures of the pressure generating c... | 02/26/2008 |
| 7332037 | Numerical jet machine for the application of a coating onto a substrate The invention concerns a contactless numerical printing machine for products of average fluidity, such as varnish, glue, and conducting or scratchable ink, onto a substrate of variable thickness and dimensions. The machine includes a special device for printing with... | 02/19/2008 |
| 7325912 | Breachable seal In one embodiment, a reservoir for holding a fluid includes a housing defining an enclosed chamber, the housing having a first opening therein at one part of the chamber and a second opening therein at a second part of the chamber above the first part of the chamber... | 02/05/2008 |
| 7325907 | Printhead Devices used to degas and eject fluid drops are disclosed. Devices include a flow path that includes a pumping chamber in which fluid is pressurized for ejection of a fluid drop, and a semi-permeable membrane including an inorganic material having an outer surface p... | 02/05/2008 |
| 7319547 | Color printer calibration A method of determining substrate and ink compatibility includes providing a test pattern having a range of ink loading levels and including test features corresponding to at least one of text and graphics; identifying a substrate; identifying an ink set; printing t... | 01/15/2008 |
| 7287827 | Printhead incorporating a two dimensional array of ink ejection ports A printhead is provided for an inkjet printer. The printhead includes a wafer substrate assembly defining rows of evenly spaced ink inlet channels. Rows of ink ejection nozzle arrangements extend from the wafer substrate assembly and are in fluid communication with ... | 10/30/2007 |
| 7279194 | Thin film formation apparatus and method of manufacturing self-light-emitting device using thin film formation apparatus A means of effectively applying an organic EL material application liquid with good application liquid cut-off is provided. A heater and an ultrasonic oscillator are formed in a thin film formation apparatus when applying the application liquid, and heat and ultraso... | 10/09/2007 |
| 7278712 | Nozzle arrangement with an ink ejecting displaceable roof structure A nozzle arrangement is provided for an inkjet printhead. The nozzle arrangement includes a wafer substrate assembly defining an ink inlet channel and a first wall surrounding the ink inlet channel. A thermal actuator includes an anchor extending from the wafer subs... | 10/09/2007 |
| 7273270 | Ink jet printing device with improved drop selection control An ink jet printing system includes a printhead generating a plurality of continuous ink jets that are in a row and directed toward a print receiving medium. The printhead contains a drop generator and an orifice plate that includes a plurality of nozzles to form th... | 09/25/2007 |
| 7273269 | Suppression of artifacts in inkjet printing A method of printing is provided. The method includes providing a travel path comprising a direction of motion of a printhead relative to a recording medium, the printhead having a linear array of nozzles positioned at a nonzero angle relative to the travel path; as... | 09/25/2007 |
| 7270405 | System for priming a pagewidth printhead cartridge An ink priming system for a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments is provided. The system comprises a priming inlet of the printhead assembly for receiving a supply of ink fo... | 09/18/2007 |
| 7267433 | Method for conditioning inkjet fluid droplets using laminar airflow A multirow multinozzle continuous inkjet head comprises a plurality of rows of inkjet nozzles ejecting drops in regions of airflow velocity within a collinear flow of air. The airflow velocity at all nozzles is equal, but lower than the highest airflow velocity with... | 09/11/2007 |
| 7261396 | Continuous inkjet printer having adjustable drop placement A method of printing includes associating a pixel area of a recording medium with a nozzle and a time interval during which a fluid drop ejected from the nozzle can impinge the pixel area of the recording medium; dividing the time interval into a plurality of subint... | 08/28/2007 |
| 7252372 | Liquid ejection apparatus and ejection control method The liquid ejection apparatus comprises: an ejection head having ejection holes which eject liquid droplets to land on an ejection receiving medium; a conveyance device which causes the ejection head and the ejection receiving medium to move relative to each other i... | 08/07/2007 |
| 7249830 | Ink jet break-off length controlled dynamically by individual jet stimulation A jet break-off length control apparatus for a continuous liquid drop emission system is provided. The jet break-off length control apparatus comprises a liquid drop emitter containing a positively pressurized liquid in flow communication with at least one nozzle fo... | 07/31/2007 |
| 7251591 | Consistent back pressure for piezoelectric ink-jet simulation A consistent back pressure formulation is introduced into ink-jet simulation models and algorithms to solve an instability problem that occurs as the head of an ink droplet reaches the end of the solution domain during simulation. The consistent back pressure formul... | 07/31/2007 |
| 7249829 | High speed, high quality liquid pattern deposition apparatus A drop deposition apparatus for laying down a patterned liquid layer on a receiver substrate, for example, a continuous ink jet printer, is disclosed. The liquid deposition apparatus comprises a drop emitter containing a positively pressurized liquid in flow communi... | 07/31/2007 |
| 7249828 | Method and apparatus for controlling charging of droplets An apparatus for controlling droplets allows the phase difference between a calibration signal and its signature signal on a detector to be minimized, or the amplitude of the signature signal to be maximized, by adjusting the droplet charging means of the device, or... | 07/31/2007 |
| 7246890 | Detection device for detecting ejection condition of nozzles When an refresh ink droplet ejected from a nozzle and deflected by an inclined electric field impinges on a orifice electrode/ink receiving member, electric charge is discharged from the refresh ink droplet, thereby an electric current is generated. A current-voltag... | 07/24/2007 |
| 7247339 | Deposition of soluble materials using ink jet print head and alignment marks The invention provides a method and apparatus for depositing a soluble material, such as an organic polymer, onto a substrate using an inkjet print head. The substrate is provided with an array of alignment marks and the material in solution is deposited when substa... | 07/24/2007 |
| 7216957 | Micro-electromechanical ink ejection mechanism that incorporates lever actuation A micro-electromechanical ink ejection mechanism for a printer includes a substrate that defines an ink inlet. A drive circuitry layer is positioned on the substrate. An elongate thermal bend actuator is connected at a fixed end to the drive circuitry layer and is c... | 05/15/2007 |
| 7214347 | Printhead mounting system for a microarray spotting instrument A microarray spotter printhead is mounted to a bracket with a semi-kinematic mounting system for avoiding the need for calibration when replaced. ... | 05/08/2007 |
| 7207654 | Ink jet with narrow chamber A nozzle arrangement with an actuator disposed in an ink chamber. An ink inlet supplies ink, and an ink ejection port allows ink to be ejected selectively. The ink inlet is located to refill the ink chamber at a position that is radially displaced from the axis of t... | 04/24/2007 |
| 7207651 | Inkjet printing apparatus An acoustic inkjet printing apparatus focusing acoustic waves generated by transducers and ejecting droplets of a printing liquid from a surface thereof by means of a sound pressure of the acoustic wave, the acoustic inkjet printing apparatus comprising: a printing ... | 04/24/2007 |
| 7207665 | Method for establishing jets for an ink jet printhead The method and equipment for detangling individual jets in an ink jet print station utilizes a reservoir containing fluid and a printhead. The printhead has a drop generator, an orifice structure connected to the drop generator for forming numerous jets, a catcher c... | 04/24/2007 |
| 7195333 | Ink jet print station with improved start up and a method for starting up inkjet printers An ink jet print station with improved start-up reliability includes an ink reservoir and a printhead. The printhead has at least two drop generators, a return line connected to the generator's fluid ports, an orifice plate connected to the drop generator for formin... | 03/27/2007 |
| 7188922 | Recording apparatus equipped with heatsink A recording apparatus having: (a) a head unit including an actuator which generates energy required for recording predetermined patterns of image on a recording medium; (b) a circuit board including a driver element which drives the actuator of the head unit; and (c... | 03/13/2007 |
| 7178903 | Ink jet nozzle to eject ink The present invention relates to an ink jet nozzle to eject ink. The nozzle comprises a body defining a chamber in which the ink to be ejected can be located and an aperture through which the ink is ejected in use. The nozzle further comprises an actuator member hav... | 02/20/2007 |
| 7165832 | Image forming apparatus The image forming apparatus comprises: an image forming unit which forms an image by discharging droplets from a recording head onto a recording medium; a conveyance belt which conveys the recording medium, a surface of the conveyance belt facing the recording head ... | 01/23/2007 |
