...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7841689 | Air supply arrangement for a print engine Provided is an air supply arrangement for a print engine having a pagewidth printhead and a driving assembly for feeding print media past the printhead. The print engine has a chassis molding for receiving the air supply arrangement. The air supply arrangement inclu... | 11/30/2010 |
| 7748819 | Liquid storage unit and liquid ejecting apparatus The invention provides a liquid storage unit comprising: a case, a liquid storage part for storing a liquid in the case, with which a liquid port communicates; at least one gas accommodation part for accommodating a gas in the case, with which a gas port communicate... | 07/06/2010 |
| 7731325 | Ink-jet recording apparatus The invention relates to an ink-jet recording apparatus having a nozzle provided on a nozzle face of an ink-jet head and a cleaning device for cleaning the nozzle face. The cleaning device contains a gas with a solubility in water lower than that of air in water. | 06/08/2010 |
| 7461914 | Inkjet printer cartridge with even distribution of compressed air An inkjet printer cartridge including an elongate body housing a printing fluid storage and adapted to be received within an inkjet printer cradle, a pagewidth printhead attached to the body and in fluid communication with the printing fluid storage, and an air dist... | 12/09/2008 |
| 7431421 | Printing system and method Various embodiments of a printing system including a vacuum duct are disclosed. ... | 10/07/2008 |
| 7419239 | Printing apparatus An inkjet printer in which a printhead defines an elongate array of orifices from which jets of ink are projected into a space within which substrates to be printed are presented. An air curtain generator fixed in position relative to the printhead extends along one... | 09/02/2008 |
| 7413281 | Capper for a printhead maintenance station A capper for a printhead maintenance station is provided. The capper comprises a capping chamber sealingly engageable around a printhead; a constriction member positioned in the capper chamber; an air inlet defined in a wall of the capping chamber; and a vacuum aper... | 08/19/2008 |
| 7413299 | Pressurizing a heatable printhead while it cools A method of operating a drop generating printhead including heating the printhead, providing melted phase change ink to the printhead, allowing the printhead to cool, and while the printhead is cooling, pressurizing the phase change ink in the printhead with a press... | 08/19/2008 |
| 7401887 | Method of maintaining a printhead using air blast cleaning A method of maintaining a printhead in an operable condition is provided. The method comprises the steps of: (a) flooding an ink ejection face of the printhead with ink; and (b) removing the ink by blasting air across the face. ... | 07/22/2008 |
| 7401888 | Method of maintaining a printhead using maintenance station configured for air blast cleaning A method of maintaining a printhead in an operable condition is provided. The method comprises the steps of: (i) providing a printhead maintenance station comprising a capper having a constriction member, a vacuum system in fluid communication with the capper, an ai... | 07/22/2008 |
| 7387358 | Printhead maintenance assembly configured for air blast cleaning A printhead maintenance assembly is provided, comprising a printhead and a maintenance station. The maintenance station comprises a capper sealingly engageable around the printhead. The capper includes a constriction member for defining a blast channel adjacent an i... | 06/17/2008 |
| 7384119 | Printhead maintenance station configured for air blast cleaning of printhead A printhead maintenance station for maintaining a printhead in an operable condition is provided. The maintenance station comprises a capper sealingly engageable around the printhead. The capper comprises a constriction member for defining a blast channel adjacent a... | 06/10/2008 |
| 7370957 | Ink jet recording apparatus An ink jet recording apparatus which includes a recording head, and forms an image by ejecting printing liquid including a volatile organic compound (VOC) from the recording head onto a recording medium, wherein the ink jet recording apparatus includes a volatile or... | 05/13/2008 |
| 7357475 | Filtered air supply for nozzle guard A printhead for an inkjet printer, with an array of nozzles for selectively ejecting drops of ink towards a print medium, and a protective structure between said nozzles and said print medium. The structure is configured so as not to obstruct ink drops ejected from ... | 04/15/2008 |
| 7328967 | Nozzle guard for a printhead An ink jet printhead has a number of printhead chips (10). Each printhead chip (10) has a wafer substrate (16). A plurality of nozzle arrangements (10) is positioned on the wafer substrate. Each nozzle arrangement (22) has nozzle c... | 02/12/2008 |
| 7303274 | Thin film formation method by ink jet method, ink jet apparatus, production method of organic EL device, and organic EL device A method of forming a thin film by an ink jet method including the step of discharging a liquid containing thin film-forming materials and a solvent from liquid discharge ports to each position on a substrate while the liquid discharge ports are being moved relative... | 12/04/2007 |
| 7303255 | Inkjet printer cartridge with a compressed air port A printer cartridge for an inkjet printer including a printing fluid storage, a printhead in fluid communication with the printing fluid storage, an air inlet and one or more conduits arranged to direct air from the air inlet over the printhead. ... | 12/04/2007 |
| 7284817 | Printer with a self-cleaning inkjet printhead assembly An inkjet printer includes a printhead assembly having a carrier. An ink supply assembly is mounted on the carrier and defines a plurality of printhead integrated circuit receiving formations that are each dimensioned to engage a printhead integrated circuit and a p... | 10/23/2007 |
| 7134739 | Print engine with air-cleaned printhead A print engine includes a stepper motor that advances print media upon demand and simultaneously drives an air pump. A molding provides a receptacle that receives an impeller of the air pump, an air inlet pin that couples with an air filter located on a print cartri... | 11/14/2006 |
| 7118189 | Autopurge printing system A system, including an ink supply system configured to supply ink to a printhead; and an autopurge unit configured to automatically clean the printhead. The autopurge unit includes a solvent supply in fluid communication with a solvent line, a solenoid housing, and ... | 10/10/2006 |
| 7070257 | Double-sided printer A double-sided printer includes a pair of opposed endless belts for print media transportation mounted within a box frame. A duplex print engine containing page width print heads is located at an entry side of the belts whereas an exit roller assembly is located at ... | 07/04/2006 |
| 7066585 | Liquid ejecting apparatus, tank for evacuating liquid of liquid ejecting apparatus and method of evacuating liquid of liquid ejecting apparatus A liquid ejecting apparatus, includes a main tank storing liquid, a liquid ejecting head ejecting the liquid toward a target, a liquid supply passage connecting the main tank with the liquid ejecting head for supplying the liquid, a subtank storing the liquid and su... | 06/27/2006 |
| 7055930 | Air supply arrangement for a printer A pagewidth inkjet printer is described which includes printhead (11) with a plurality nozzles (30) for ejecting ink drops towards a print medium. A space is defined between the nozzles and a nozzle guard (43) with a series of apertures (44 | 06/06/2006 |
| 7032169 | Method and system for distributed coordination of multiple modalities of computer-user interaction A method of coordinating the presentation of multiple modes of interaction for network-based electronic content can include receiving a markup language document of a first modality and identifying within the markup language document a reference to another markup lan... | 04/18/2006 |
| 7012735 | Electro-optic assemblies, and materials for use therein An electro-optic display comprises first and second substrates, and an adhesive layer and a layer of electro-optic material disposed between these substrates, the adhesive layer comprising a mixture of a polymeric adhesive material and an additive selected from a sa... | 03/14/2006 |
| 7004559 | Method and apparatus for ink jet print head nozzle plate cleaning The present invention provides a method of non-contact, ink jet print head nozzle plate surface cleaning. The method disclose, enables simultaneous non-contact cleaning of all nozzles of a print head nozzle plate having a major and minor dimension and ink ejecting n... | 02/28/2006 |
| 7001008 | Printhead assembly for inhibiting particle build-up on nozzles A printhead assembly for a printer is provided. The printhead assembly comprises (a) a printhead which includes a plurality of nozzles for ejecting ink onto a print medium, the plurality of nozzles being formed on a nozzle surface of the printhead; (b) a nozzle guar... | 02/21/2006 |
| 6997544 | Printer having an inert gas supply arrangement A printing assembly has a printing unit and an inert gas supply that supplies an inert gas, such as nitrogen, to components of the printing unit during a printing operation. The inert gas environment prevents oxidation of any high temperature components of the print... | 02/14/2006 |
| 6997539 | Apparatus for depositing droplets An apparatus for depositing droplets on a substrate, the apparatus includes a support for the substrate, a droplet ejection assembly positioned over the support for depositing the droplets on the substrate on the support, an enclosure structure defining with the sup... | 02/14/2006 |
| 6991310 | Thermally actuated printhead unit having inert gas operating environment A printing assembly that comprises a printing unit including at least one thermally actuated ink jet printhead comprising a thermal bend actuator; and an inert gas supply that is connected to the printing unit to provide the at least one thermal bend actuator with a... | 01/31/2006 |
| 6984016 | Self-cleaning inkjet printhead assembly An inkjet printhead assembly includes a carrier. An ink supply assembly is mounted on the carrier and defines a plurality of printhead chip receiving formations that are each dimensioned to engage a printhead chip and a plurality of ink supply conduits that terminat... | 01/10/2006 |
| 6905552 | Contactless cleaning of vertical ink jet printheads A cleaning station for a vertical nozzle plate of an ink jet printer includes a cylindrical cleaning roller that has an outer surface, and has a substantially vertical central axis and a substantially vertical rotational axis. The roller is spaced from the nozzle pl... | 06/14/2005 |
| 6899410 | Continuous ink-jet printing apparatus with integral cleaning An ink jet printing apparatus having a cleaning station that is structurally integrated with a droplet deflector is provided. The apparatus includes an ink droplet forming mechanism formed from a printhead having at least one nozzle for ejecting a stream of ink drop... | 05/31/2005 |
| 6890053 | Positive air system for inkjet print head A positive air system, for a fluid jetting device that jets a fluid in a fluid droplet path prevents the ingress of dust and debris to the fluid jetting device and further prevents the introduction of dust and debris into the fluid droplet path. The air system inclu... | 05/10/2005 |
| 6878396 | Micro C-4 semiconductor die and method for depositing connection sites thereon A semiconductor die having multiple solder bumps, each having a diameter less than about 100 microns, and the method for making such a die are described. The solder bumps are preferably about 10 microns in diameter, and the pitch between the solder bumps is less tha... | 04/12/2005 |
| 6871935 | Printer head cleaning system and method A printer head cleaning system for cleaning a printer head, such as a video inkjet printer head reduces exposure of personnel to hazardous solvent vapors by containing and evacuating evaporated cleaning solvent vapors. The printer head cleaning system includes a pri... | 03/29/2005 |
| 6863368 | Method of forming a color filter A method of forming a color filter and a color filter are provided. The method includes providing a mixture of a color filter material and a compressed fluid; providing a substrate; providing a printhead adapted to deliver the mixture of the color filter material an... | 03/08/2005 |
| 6857720 | Airflow assembly for fluid-ejection mechanism An airflow assembly for a fluid-ejection mechanism of one embodiment of the invention is disclosed that includes at least one first surface and at least one second surface. The at least one first surface is to at least substantially cause airflow to be deflected aro... | 02/22/2005 |
| 6848766 | Start-up and shut down of continuous inkjet print head A cleaning system for a continuous inkjet printer comprises a cleaning chamber positioned substantially parallel to an ink supply chamber and nozzle plate, and a gas supply, such as air or nitrogen. The cleaning chamber is formed by a cover and the nozzle plate, whe... | 02/01/2005 |
| 6832827 | Cleaning nozzle In an aspect, the invention features an apparatus and method for cleaning with a flow of gas. In embodiments, a gas cleaning assembly is provided that includes a nozzle outlet that directs cleaning gas, e.g., toward a work piece, and a sheath gas jacket surrounding ... | 12/21/2004 |