| Patent Number |
Title Of Patent |
Date Issued |
| 7344234 |
Print head pressure control architectures |
March 18, 2008 |
| A fluid container, such as, for example, an inkjet print head cartridge, architecture uses a relatively large filter that is located below a negative pressure material chamber and a free ink chamber in a side-by-side relationship. The negative pressure material volume relative to a f |
| 7294223 |
Method for attaching a fluid container to a fluid ejector in a fluid ejection device |
November 13, 2007 |
| A method for joining fluid containers and fluid ejectors in a fluid ejecting device are provided. The fluid container includes one or more heat stakes and a substrate includes one or more apertures for receiving the heat stakes and one or more three-dimensional features in the vicini |
| 7192126 |
Systems, methods and structure for maximizing efficiency of refillable fluid ejection head |
March 20, 2007 |
| A refillable fluid reservoir for a fluid ejection head, including a fluid reservoir having top, bottom and side walls defining an interior volume for having fluid; a venting port provided on one of the reservoir walls; and a fluid inlet port provided on one of the reservoir walls, the |
| 7192116 |
Systems and methods for dissipating heat from a fluid ejector carriage |
March 20, 2007 |
| A system, method and structures for dissipating heat away from a thermal fluid ejector modules through a thermally-conductive carriage molded from a polymer to the ambient air surrounding the structure upon which the thermally-conductive fluid ejector carriage translates. The heat is |
| 7172272 |
Systems and methods for vent path leakage prevention |
February 6, 2007 |
| A fluid ejection container system provides a first container that contains the fluid, the first container being evacuated to negative gauge pressure when being filled with the fluid, a second container having a capillary medium that contains the fluid, a passage between the first and sec |
| 7156510 |
Devices for dissipating heat in a fluid ejector head and methods for making such devices |
January 2, 2007 |
| A print cartridge includes a manifold that is molded from a polymer including at least one thermally conductive filler material, and a fluid ejector die module attached to the manifold. A method of manufacturing a print cartridge includes molding a manifold at least partially from a |
| 7125110 |
Systems for regulating temperature in fluid ejection devices |
October 24, 2006 |
| Temperature regulating system for use in fluid ejection devices, such as inkjet printing devices, are provided. Such temperature regulating systems can include an ink reservoir, a printhead and optionally an intermediate ink container. Exchange of ink between the ink reservoir, or op |
| 7105131 |
Systems and methods for microelectromechanical system based fluid ejection |
September 12, 2006 |
| A microelectromechanical system based fluid ejector comprises an ejector nozzle, a chamber that communicates with the ejector nozzle, and a plurality of movable ejection structures associated with the ejector nozzle and arranged to move in the chamber such that a variable volume of f |
| 7051775 |
Systems, methods and structure to capture, store and evaporate split fluid |
May 30, 2006 |
| A refill junction for a fluid container including an exterior surface; a retaining clip having an outer face and an inner face, at least one of the exterior surface and the inner face including at least one capillary. |
| 7040728 |
Geometry for a dual level fluid quantity sensing refillable fluid container |
May 9, 2006 |
| A fluid reservoir sensing system includes a pair of optical prisms that reflect light when a fluid level is below one of the pair of prisms. The pair of optical prisms includes a low prism usable to sense a low liquid level in the fluid reservoir, and a high prism usable to sense a high |
| 7021751 |
Robust gasket seal for an inkjet printhead |
April 4, 2006 |
| A mechanism for sealing a cover to a container for storing ink in an inkjet cartridge is provided. The mechanism includes a container for storing ink, a cover and a gasket. The cover fits over the container and the gasket is interposed between an inside edge of the cover and an outsi |
| 6655785 |
Print element and method for assembling a print head |
December 2, 2003 |
| A print element including a heat sink, a printed wiring member mounted on the heat sink, a thermal ink jet assembly mounted to the heat sink, and a manifold assembly mounted to the heat sink. The manifold assembly has a first mount for removably connecting a first source of ink to the ma |
| 6412911 |
Ink tank support assembly seal and biasing element |
July 2, 2002 |
| An ink tank and ink tank support structure which contains structural elements which are designed to permit proper installation of the ink tank in the ink tank support structure while minimizing the chances of improper installation of the ink tank in the ink tank structure. A primary ink |
| 6390615 |
Ink tank with securing means and seal |
May 21, 2002 |
| An ink tank and ink tank support structure which contains structural elements which are designed to permit proper installation of the ink in the ink tank support structure while minimizing the chances of improper installation of the ink tank in the ink tank structure. A primary ink tank |
| 6276788 |
Ink cartridge for an ink jet printer having quick disconnect valve 09 |
August 21, 2001 |
| An ink jet cartridge has a rigid housing with a flexible, vent-free pouch containing ink positioned therein. The pouch has a fitment sealed therein with a quick disconnect valve incorporated in the distal end of the fitment which extends from the pouch. The housing protects the ink pouch |
| 6276780 |
Fail-safe ink tank latching system |
August 21, 2001 |
| An ink tank and ink tank support structure which contains structural elements which are designed to permit proper installation of the ink tank in the ink tank support structure while minimizing the chances of improper installation of the ink tank in the ink tank structure. A primary ink |
| 6234605 |
Multiple resolution pagewidth ink jet printer including a positionable pagewidth printbear |
May 22, 2001 |
| A liquid ink printer, depositing ink drops to form an image, in multiple printing resolutions, on a recording medium moving along a recording medium path. The liquid ink printer includes a pagewidth printbar, including an array of ink ejecting nozzles spaced at a predetermined resolu |
| 6229114 |
Precision laser cutting of adhesive members |
May 8, 2001 |
| A process for precision patterning or cutting of a sheet stock, such as an adhesive tape, includes the step of irradiating a surface of a sheet stock with an irradiation source to pattern or cut a part in the sheet stock. The method is particularly useful for precision cutting adhesive m |
| 6183073 |
Method and apparatus for positive pressure filling a printbar |
February 6, 2001 |
| A printbar, such as a full width array printbar, filling method and apparatus provides for the selective application of positive pressure to an ink container, such as an ink bag, for forcing the expulsion of ink out of the bag and into the printbar. A steady force is applied until ink |
| 6158837 |
Printer having print mode for non-qualified marking material |
December 12, 2000 |
| An ink jet printer of the type having at least one customer replaceable ink cartridge with an ink monitoring system detects whether or not the ink in the cartridge contains qualified ink or not and adjusts the normal printing mode to a non-normal printing when non-qualified ink is detect |
| 6130693 |
Ink jet printhead which prevents accumulation of air bubbles therein and method of fabrication t |
October 10, 2000 |
| A printhead and method of fabrication thereof provides that the printhead reservoir has substantially the same cross-sectional ink flow area as the total cross-sectional area of the plurality of individual ink channels which interconnect the reservoir with the printhead nozzles. Since th |
| 6089702 |
Method and apparatus for degassing ink utilizing microwaves |
July 18, 2000 |
| An apparatus and method for degassing liquid ink utilizes microwaves. An ink degassing unit includes a microwave heater that heats the liquid ink in an ink line passing through the microwave heater. The liquid ink is heated to supersaturate the ink with air and a vacuum chamber of the in |
