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| Number | Title | Issue Date |
| 7008050 | Ink container refurbishment system Alternative methods for refurbishing a single-use ink delivery container for a printing system are described. The refurbishing methods include electrical and mechanical reconfiguration or replacement of original elements on the ink delivery container. Each method ut... | 03/07/2006 |
| 6922259 | Electrical storage device for a replaceable printing component A method for storing data in an electrical storage device associated with a printing component of an ink-jet printing system. The electrical storage device is responsive to printing system control signals for transferring information between the printing component a... | 07/26/2005 |
| 6902331 | Method and apparatus for secure printing The present disclosure relates to a method for printing a secure image on media using an inkjet printing device. The method includes printing an underlayer using an inkjet printing device that penetrates into a front surface of media. The underlayer is configured to... | 06/07/2005 |
| 6764169 | Method and apparatus for providing ink to an ink jet printing system A reservoir for an ink supply for an ink-jet printer is provided with a refill port through which it can be refilled. The reservoir may be coupled to a variable volume chamber via a check valve which allows the flow of ink from the reservoir to the chamber and limit... | 07/20/2004 |
| 6698857 | Method and apparatus for transferring information to a printhead The present disclosure relates to an inkjet printing system that includes an inkjet printhead having a plurality of electrical contacts. The plurality of electrical contacts include address contacts and enable contacts for enabling drop generators and dri... | 03/02/2004 |
| 6685298 | Method and apparatus for preventing theft of replaceable printing components The present disclosure relates a marking engine for use in a marking machine. The marking engine is responsive to control signals for selectively depositing marking material on media. The marking engine includes a housing associated with the marking engin... | 02/03/2004 |
| 6679592 | Method and apparatus for adapting an ink jet printing system for receiving an alternate supply of ink One aspect of the present invention is a method for adapting an ink jet printing system for receiving an alternate supply of ink. The ink jet printing system has an ink jet printhead responsive to control signals for selectively depositing ink on media. A... | 01/20/2004 |
| 6676240 | Method and apparatus for transferring information between a replaceable consumable and a printing device The present invention relates to a marking engine for use in a marking machine. The marking engine is responsive to control signals for selectively depositing marking material on media. The marking engine includes a housing associated with the marking eng... | 01/13/2004 |
| 6655775 | Method and apparatus for drop weight encoding The present invention is an inkjet print cartridge for use in an inkjet printing apparatus for forming images on print media. The inkjet print cartridge includes an inkjet printhead that is responsive to print control signals for ejecting ink drops onto p... | 12/02/2003 |
| 6588880 | Replaceable ink container adapted to form reliable fluid, air and electrical connection to a printing system The present invention is a replaceable ink container for providing ink to an off-axis printing system. The printing system responsive to electrical signals from the replaceable ink container for controlling printer parameters. The ink container has a lead... | 07/08/2003 |
| 6582042 | Method and apparatus for transferring information to a printhead The present disclosure relates to an inkjet printing system that includes an inkjet printhead having a plurality of electrical contacts. The plurality of electrical contacts include address contacts and enable contacts for enabling drop generators and dri... | 06/24/2003 |
| 6572214 | Inkjet printing systems using filter fluid interconnects for pigmented inks Disclosed is a pigmented fluid delivery system for an inkjet printing system. The pigmented fluid delivery system comprises a first printer component and at least a second printer component. The first printer component has a fluid outlet in fluid communic... | 06/03/2003 |
| 6559973 | Electrical storage device for a replaceable printing component The present invention deals with a replaceable printing component for an ink-jet printing system. The ink-jet printing system is of the type having at least one replaceable component. The replaceable component includes an electrical storage device that is... | 05/06/2003 |
| 6533404 | Ink supply for preventing the passage of air The present invention is an ink supply for use in an inkjet printing system of the type having an ink jet printhead spaced from the ink supply. The ink jet printing system has an ink conduit configured for connection to each of the printhead and the ink s... | 03/18/2003 |
| 6513901 | Method and apparatus for determining drop volume from a drop ejection device A device for determining drop volume for a drop ejection device is disclosed. The drop ejection device has a drop ejector and a reference drop ejector that exhibits less drop volume variation than the drop ejector. The drop ejection device includes a sens... | 02/04/2003 |
| 6508547 | Replaceable ink container for an inkjet printing system The present invention disclosure relates to a replaceable ink container for providing ink to an inkjet printing system. The inkjet printing system has a receiving station mounted to a scanning carriage. The receiving station has a fluid inlet and a pair o... | 01/21/2003 |
| 6494562 | Method and apparatus for identifying a sales channel The present disclosure relates to a replaceable printing component for use in a printing system having at least one replaceable printing component. The replaceable printing component is of the type sold through a plurality of sales channels. The replaceab... | 12/17/2002 |
| 6488369 | Ink container configured to establish reliable electrical and fluidic connections to a receiving station The present disclosure relates to a replaceable ink reservoir for installation into a printing system that has a moveable carriage for repositioning a printing portion relative to print media. The replaceable ink reservoir includes an ink reservoir that d... | 12/03/2002 |
| 6488352 | Method and apparatus for checking compatibility of a replaceable printing component The present disclosure relates to an ink jet printing system configured for receiving replaceable printing components. The ink jet printing system includes a replaceable printing component having an electrical storage device associated therewith. The elec... | 12/03/2002 |
| 6481817 | Method and apparatus for ejecting ink The present disclosure relates to an inkjet printhead having a plurality of drop generators responsive to drive current and address signals for dispensing ink. The inkjet printhead includes first and second drop generators disposed on the printhead with e... | 11/19/2002 |
| 6460985 | Ink reservoir for an inkjet printer The present disclosure relates to an ink container for providing ink to an inkjet printhead. The ink container includes a reservoir for containing ink. Also included in the ink container is at least one continuous fiber defining a three dimensional porous... | 10/08/2002 |
| 6454381 | Method and apparatus for providing ink container extraction characteristics to a printing system The present disclosure relates to a replaceable ink container for providing ink to an inkjet printing system. The inkjet printing system has a plurality of print modes with each print mode having an ink usage rate associated therewith. The replaceable ink... | 09/24/2002 |
| 6450629 | Method and apparatus for refilling ink containers in a manner that preserves printhead life The present disclosure relates to a method for refilling an ink container for an ink jet printing system. The ink container includes a ink reservoir having a negative gauge pressure therein. The method includes preventing air from entering the ink reservo... | 09/17/2002 |
| 6431697 | Replaceable ink container having a separately attachable latch and method for assembling the container A replaceable ink container includes an ink container chassis for containing a quantity of ink and a latch separate from and attachable to the ink container chassis for securing the replaceable ink container to a receiving station of an inkjet printing sy... | 08/13/2002 |
| 6402279 | Inkjet printhead and method for the same The present disclosure relates to an inkjet printhead having a plurality of drop generators that selectively eject ink in response to activation. The inkjet printhead includes first and second drop generators disposed on the printhead. Each of the first a... | 06/11/2002 |
| 6386692 | Ink container configured for use with compact supply station The present invention is a replaceable ink container for use in a printing system. The printing system is of the type having a printhead mounted in a scanning carriage and a supply station for receiving the replaceable ink container. The supply station is... | 05/14/2002 |
| 6386675 | Ink container having a multiple function chassis An ink container for holding a supply of liquid ink for use in an inkjet printing system. The container includes a collapsible ink reservoir for holding a supply of liquid ink, and a multiple functioned chassis. The chassis rigidly supports an air inlet f... | 05/14/2002 |
| 6364472 | Method and apparatus for keying ink supply containers The present disclosure relates to an ink supply container for containing ink. The ink supply container is configured for providing ink to an ink jet printing system. The ink container includes a first feature indicative of an ink family of a plurality of ... | 04/02/2002 |
| 6350024 | Diaphragm pump having an integral pressure plate The present invention relates to an ink supply of the type having a diaphragm pump that is actuated by an actuator for providing ink to a printhead. The diaphragm pump includes a diaphragm and a chassis. The diaphragm has an integral pressure plate portio... | 02/26/2002 |
| 6345891 | Method and apparatus for specifying ink volume in a multichamber ink container The present disclosure relates to an ink container for providing ink to an ink-jet printer. The ink container includes an electrical storage device for providing ink container parameters to the ink-jet printer. The electrical storage device contains a con... | 02/12/2002 |
| 6322205 | Ink delivery system adapter A large variety of ink delivery systems for an existing ink-Jet printing system are provided. The ink delivery systems include ink reservoirs of varying configuration and size which are capable of accommodating a variety of ink use rates. Each ink deliver... | 11/27/2001 |
| 6322207 | Replaceable pump module for receiving replaceable ink supplies to provide ink to an ink jet printing system A replaceable pump module for an ink-jet printer is configured to receive a replaceable ink supply including a reservoir having a fluid outlet. The replaceable pump module includes a variable volume chamber having a fluid inlet adapted to form a fluid con... | 11/27/2001 |
| 6318850 | Ink container refurbishment system Alternative methods for refurbishing a single-use ink delivery container for a printing system are described. The refurbishing methods include electrical and mechanical reconfiguration or replacement of original elements on the ink delivery container. Eac... | 11/20/2001 |
| 6312106 | Method and apparatus for transferring information between a replaceable consumable and a printing device The present invention relates to a marking engine for use in a marking machine. The marking engine is responsive to control signals for selectively depositing marking material on media. The marking engine includes a housing associated with the marking eng... | 11/06/2001 |
| 6312116 | Ink cartridge having an integral pressurization apparatus One aspect of the present invention is a replaceable ink supply cartridge for providing a pressurized supply of ink to an ink-jet printhead of an ink-jet printer. The replaceable ink supply cartridge includes an activation portion for receiving a linear a... | 11/06/2001 |
| 6305793 | Diaphragm pump having an integral pressure plate The present invention relates to an ink supply of the type having a diaphragm pump that is actuated by an actuator for providing ink to a printhead. The diaphragm pump includes a diaphragm and a chassis. The diaphragm has an integral pressure plate portio... | 10/23/2001 |
| 6302535 | Ink container configured to establish reliable electrical connection with a receiving station A replaceable ink container for providing ink to an inkjet printing system. The replaceable ink container includes engagement features disposed on a leading edge and configured for engagement with corresponding engagement features associated with the inkj... | 10/16/2001 |
| 6302527 | Method and apparatus for transferring information between a printer portion and a replaceable printing component The present disclosure relates to a replaceable printing component for use in a printing system. The replaceable printing component is configured for containing a supply of printing material for use by the printing system to form images on media. The repl... | 10/16/2001 |
| 6299296 | Sealing member for a fluid container The present disclosure relates to a sealing member for sealing an opening in a fluid container. The sealing member receives a hollow tubular member to establish communication between the hollow tubular member and the fluid container. The sealing member in... | 10/09/2001 |
| 6283586 | Method and apparatus for refilling ink containers in a manner that preserves printhead life The present disclosure relates to a method for refilling an ink container for an ink jet printing system. The ink container includes a ink reservoir having a negative gauge pressure therein. The method includes preventing air from entering the ink reservo... | 09/04/2001 |
