Patents by Inventor Ronald Albert Askeland
Ronald Albert Askeland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11938727Abstract: Fluid is continuously recirculated through a thermal fluid-ejection printhead. Prior to firing a thermal resistor of the printhead to thermally eject a drop of the fluid through a nozzle of the printhead, the fluid is recirculated on-demand through a chamber of the printhead between the nozzle and the thermal resistor. The thermal resistor is fired to thermally eject the drop of the fluid through the nozzle. The fluid has a concentration of solids greater than 12% by volume.Type: GrantFiled: February 14, 2020Date of Patent: March 26, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Alexander Govyadinov, Alex Trubnikov, Ronald Albert Askeland
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Patent number: 11807019Abstract: A printing fluid pen includes a plurality of fluid ports, a pressure regulator in fluid communication with a first fluid port, and a valve in fluid communication with a second fluid port. The first fluid port is to deliver printing fluid to a fluid ejection device, and the second fluid port is to direct printing fluid out of the pen. In response to negative pressure, the valve is to open to enable fluids within the pen to exit via the second port.Type: GrantFiled: July 31, 2019Date of Patent: November 7, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Ronald Albert Askeland, Blair A. Butler, Ronald J. Ender, Craig L. Malik, Daniel D. Dowell, Seth Stephen Haddix, Si-Lam J. Choy, Alexander Govyadinov
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Publication number: 20230054818Abstract: Fluid is continuously recirculated through a thermal fluid-ejection printhead. Prior to firing a thermal resistor of the printhead to thermally eject a drop of the fluid through a nozzle of the printhead, the fluid is recirculated on-demand through a chamber of the printhead between the nozzle and the thermal resistor. The thermal resistor is fired to thermally eject the drop of the fluid through the nozzle. The fluid has a concentration of solids greater than 12% by volume.Type: ApplicationFiled: February 14, 2020Publication date: February 23, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Alexander Govyadinov, Alex Trubnikov, Ronald Albert Askeland
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Patent number: 11390094Abstract: In an example, apparatus includes a first radiation source to output radiation at a first waveband and a second radiation source to output radiation at a second waveband, which is different from the first waveband. The apparatus may receive a medium having marked thereon a first colorant and a second colorant and the first and second wavebands may be selected such that an energy absorbance efficiency of the first colorant is higher than that of the second colorant at the first waveband and an energy absorbance efficiency of the second colorant is higher than that of the first colorant at the second waveband.Type: GrantFiled: October 30, 2020Date of Patent: July 19, 2022Assignee: HP SCITEX LTD.Inventors: Alex Veis, Ronald Albert Askeland
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Publication number: 20220186432Abstract: An example of a dye discharge fluid includes a water-soluble organic solvent, a heat activated reducing agent, and water. A pH of the dye discharge fluid is less than 7. The dye discharge fluid may be used with a colored pigmented inkjet ink, a white pigmented inkjet ink, and/or a colored textile fabric, and may be included in a fluid set and/or a printing kit.Type: ApplicationFiled: July 25, 2019Publication date: June 16, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Dennis Z. Guo, Jie Zheng, Ronald Albert Askeland
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Publication number: 20220161568Abstract: An example printing fluid pen comprises a plurality of fluid ports, a pressure regulator in fluid communication with a first fluid port, and a valve in fluid communication with a second fluid port. The first fluid port is to deliver printing fluid to a fluid ejection device, and the second fluid port to direct printing fluid out of the pen. In response to negative pressure, the valve is to open to enable fluids within the pen to exit via the second port.Type: ApplicationFiled: July 31, 2019Publication date: May 26, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Ronald Albert Askeland, Blair A. Butler, Ronald J. Ender, Craig L. Malik, Daniel D. Dowell, Seth Stephen Haddix, Si-lam J. Choy, Alexander Govyadinov
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Patent number: 11235587Abstract: An example of an inkjet pre-treatment fluid for dye sublimation printing consists of a humectant; a cationic polymer; a surfactant; a co-solvent present in an amount up to about 50 wt % based on a total weight of the inkjet pre-treatment fluid; and a balance of water. In an example of a printing method, the inkjet pre-treatment fluid is inkjet printed onto a textile substrate to form a pre-treated area on the textile substrate.Type: GrantFiled: November 8, 2017Date of Patent: February 1, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Howard Doumaux, Ronald Albert Askeland, Raffaella Fior
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Patent number: 11192368Abstract: A method of preparing a printer cartridge for transport may comprise applying a volume of immiscible fluid to a nozzle bore of a printhead. A printer cartridge may comprise a volume of immiscible fluid deposited into a nozzle bore of a nozzle of the printhead and a layer of immiscible fluid applied over the nozzle bore opening. A printhead die may comprise a volume of immiscible fluid deposited into a nozzle bore of the die and a layer of immiscible fluid applied over the nozzle bore opening.Type: GrantFiled: July 30, 2014Date of Patent: December 7, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Jeffrey Allen Wagner, Sierra Lynn Triebe, Maria Magdalena Martinez, Ronald Albert Askeland
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Publication number: 20210130636Abstract: A fluid set can include a fixer fluid including a fixer vehicle and from 0.5 wt % to 12 wt % of a cationic fixing agent comprising an azetidinium-containing polyamine, a cyan ink composition including a cyan pigment, a magenta ink composition including a magenta pigment, and a yellow ink composition including a yellow pigment. The cyan ink composition, the magenta ink composition, and the yellow ink composition independently include an ink vehicle and from 2 wt % to 15 wt % crosslinkable polymeric binder, and at 10 ?m thick, the cyan ink composition, the magenta ink composition, and the yellow ink composition independently exhibit from 40% to 100% energy absorbed when exposed to a common narrow band of UV energy having a peak emission from 310 nm to 440 nm.Type: ApplicationFiled: June 12, 2019Publication date: May 6, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Ronald Albert ASKELAND, Jie ZHENG, Dennis Z. GUO
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Publication number: 20210055532Abstract: In an example, apparatus includes a first radiation source to output radiation at a first waveband and a second radiation source to output radiation at a second waveband, which is different from the first waveband. The apparatus may receive a medium having marked thereon a first colorant and a second colorant and the first and second wavebands may be selected such that an energy absorbance efficiency of the first colorant is higher than that of the second colorant at the first waveband and an energy absorbance efficiency of the second colorant is higher than that of the first colorant at the second waveband.Type: ApplicationFiled: October 30, 2020Publication date: February 25, 2021Applicant: HP SCITEX LTD.Inventors: Alex Veis, Ronald Albert Askeland
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Patent number: 10838182Abstract: In an example, apparatus includes a first radiation source to output radiation at a first waveband and a second radiation source to output radiation at a second waveband, which is different from the first waveband. The apparatus may receive a medium having marked thereon a first colorant and a second colorant and the first and second wavebands may be selected such that an energy absorbance efficiency of the first colorant is higher than that of the second colorant at the first waveband and an energy absorbance efficiency of the second colorant is higher than that of the first colorant at the second waveband.Type: GrantFiled: March 5, 2020Date of Patent: November 17, 2020Assignee: HP SCITEX LTD.Inventors: Alex Veis, Ronald Albert Askeland
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Publication number: 20200301120Abstract: In an example, apparatus includes a first radiation source to output radiation at a first waveband and a second radiation source to output radiation at a second waveband, which is different from the first waveband. The apparatus may receive a medium having marked thereon a first colorant and a second colorant and the first and second wavebands may be selected such that an energy absorbance efficiency of the first colorant is higher than that of the second colorant at the first waveband and an energy absorbance efficiency of the second colorant is higher than that of the first colorant at the second waveband.Type: ApplicationFiled: March 5, 2020Publication date: September 24, 2020Applicant: HP SCITEX LTD.Inventors: Alex Veis, Ronald Albert Askeland
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Publication number: 20200224051Abstract: An example of an inkjet pre-treatment fluid for dye sublimation printing consists of a humectant; a cationic polymer; a surfactant; a co-solvent present in an amount up to about 50 wt % based on a total weight of the inkjet pre-treatment fluid; and a balance of water. In an example of a printing method, the inkjet pre-treatment fluid is inkjet printed onto a textile substrate to form a pre-treated area on the textile substrate.Type: ApplicationFiled: November 8, 2017Publication date: July 16, 2020Inventors: Howard Doumaux, Ronald Albert Askeland, Raffaella Fior
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Patent number: 10668727Abstract: A printing system may comprise a page wide array printhead a capping station, and a number of modular caps comprising a housing to cover a nozzle array of a printhead and a cap coupler coupled to the housing to couple the cap to the nozzle array in which the modular caps are adapted to be coupled to and removed from the nozzle array of the printhead and stored in the capping station.Type: GrantFiled: July 30, 2014Date of Patent: June 2, 2020Assignee: Hewlett-Packard Development Company, L.P.Inventors: Jeffrey Allen Wagner, Francisco Lopez Moral, Maria Magdalena Martinez, Xavier Bruch, Chandrasekhar Nadimpalli, Xavier Gasso Puchal, Marian Dinares Argemi, Ronald Albert Askeland
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Patent number: 10513122Abstract: Methods and apparatus control the ejection of fluid from a nozzle by selectively actuating a fluid actuator that displaces and ejects fluid through an ejection orifice of the nozzle. The methods and apparatus at least partially closing the ejection orifice of the nozzle, while the fluid actuator is inactive, to reduce evaporation of the fluid.Type: GrantFiled: July 18, 2018Date of Patent: December 24, 2019Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Jeffrey Allen Wagner, Maria Magdalena Martinez Ferrandiz, Ronald Albert Askeland, Marian Dinares Argemi, Chandrasekhar Nadimpalli
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Patent number: 10286685Abstract: A print pre-treatment module is provided for printing an ink on a PVC print medium from a printer. The PVC print medium may have exudates on the surface. The pre-treatment module includes an impermeable material in rubbing contact with the PVC print medium, which is supported on a media roller conveying the print medium. Also disclosed herein are a printer incorporating the module and a method for reducing print defects on the PVC print medium.Type: GrantFiled: September 15, 2015Date of Patent: May 14, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Christopher Arend Toles, Joan Albert Jorba Closa, Ronald Albert Askeland
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Patent number: 10205849Abstract: A processing apparatus is provided. The processing apparatus includes a controller to process information as part of a Halftone Area Neugebauer Separation printing process to use at least one opaque ink as a process colorant in combination with at least one further process colorant.Type: GrantFiled: April 28, 2014Date of Patent: February 12, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Jan Morovic, Peter Morovic, Juan Manuel Garcia Reyero Vinas, Ronald Albert Askeland, Andreas Muller, Michel Georges Encrenaz
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Patent number: 10183485Abstract: The present disclosure relates particularly but not exclusive to a method for printing in a multipass print mode using a first printhead (PT1) and a second printhead (PT2), the method including printing in a first pass a first image in a first area of a print medium using a first set (ST21) of nozzles (N5-N24) from the first printhead (PT1), printing in a second pass a coating layer over the first image using a second set (ST22) of nozzles (P4-P22) from the second printhead (PT2), and printing in a third pass a second image over the coating layer using a third set (ST23) of nozzles (N1-20) from the first printhead (PT1).Type: GrantFiled: October 31, 2014Date of Patent: January 22, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Ronald Albert Askeland, Alex Andrea Tallada, Juan Manuel Garcia Reyero Vinas
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Publication number: 20180319168Abstract: Methods and apparatus control the ejection of fluid from a nozzle by selectively actuating a fluid actuator that displaces and ejects fluid through an ejection orifice of the nozzle. The methods and apparatus at least partially closing the ejection orifice of the nozzle, while the fluid actuator is inactive, to reduce evaporation of the fluid.Type: ApplicationFiled: July 18, 2018Publication date: November 8, 2018Inventors: Jeffrey Allen Wagner, Maria Magdalena Martinez Ferrandiz, Ronald Albert Askeland, Marian Dinares Argemi, Chandrasekhar Nadimpalli
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Publication number: 20180281468Abstract: An example printing device composing a first printhead and a second printhead is described. In some examples the example printing device comprises a controller. The example printing device is to operate in a first operating mode in which the first printhead is to dispense a first printing substance, the first printing substance to transfer color via a first colorant transfer mechanism, and to operate in a second operating mode in which the second printhead is to dispense a second printing substance, the second printing substance to transfer via a second colorant transfer mechanism different to the first colorant transfer mechanism. An example controller is to cause the example printing device to operate in a selected one of the first and second operating modes.Type: ApplicationFiled: December 17, 2015Publication date: October 4, 2018Applicant: Hewlett-Packard Development Company, L.P.Inventors: Joan Albert Jorba Closa, Ronald Albert Askeland, Francisco Javier Perez Gellida, Joan Sole Rodes