Patents by Inventor Garrett E. Clark

Garrett E. Clark 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).

  • Patent number: 11220107
    Abstract: The present disclosure includes a description of an example printhead having multiple ejection dies. The ejection dies are coupled to a temperature sensor and send temperature signals to a controller. The printhead can also include a heater coupled to the ejection dies to apply heat to at least one ejection die.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: January 11, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Garrett E Clark, Michael W. Cumbie, Mark H. MacKenzie
  • Publication number: 20210323315
    Abstract: A fluid ejection device may include fluid actuators, ejection chambers adjacent the fluid actuators, nozzles extending from the ejection chambers, and fluid feed holes to supply fluid from a fluid supply passage to the ejection chambers. The fluid feed holes have ports connected to the ejection chambers. The ports are sized to pass bubbles formed by the fluid actuators out of the ejection chambers.
    Type: Application
    Filed: January 9, 2019
    Publication date: October 21, 2021
    Inventors: Garrett E. Clark, Michael W. CUMBIE
  • Publication number: 20210291520
    Abstract: In some examples, a fluid ejection die includes a plurality of nozzles arranged in a plurality of nozzle columns, the plurality of nozzle columns distributed across a width of the fluid ejection die in a staggered manner, wherein nozzles of each respective nozzle column of the plurality of nozzle columns are spaced apart along a length of the fluid ejection die, wherein the plurality of nozzle columns includes a first pair of neighboring nozzle columns that are spaced by a first distance across the width. The plurality of nozzle columns includes a second pair of neighboring nozzle columns that are spaced by a second distance across the width, the second distance being larger than the first distance.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Inventors: Galen Cook, Garrett E Clark, Michael W Cumbie, James R Przybyla, Richard Seaver, Frank D Derryberry, Si-lam J Choy
  • Patent number: 11034151
    Abstract: Examples include a fluid ejection die having a die length and a die width. The fluid ejection die may include a plurality of nozzles arranged along the die length and a die width. The plurality of nozzles is arranged such that at least one pair of neighboring nozzles are positioned at different die width positions along the width of the fluid ejection die. The example fluid ejection die further includes a plurality of ejection chambers including a respective ejection chamber fluidically coupled to each respective nozzle. The fluid ejection die further includes an array of fluid feed holes. The array of fluid feed holes includes at least one fluid feed hole fluidically each respective ejection chamber.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 15, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Galen Cook, Garrett E Clark, Michael W Cumbie, James R Przybyla, Richard Seaver, Frank D Derryberry, Si-lam J Choy
  • Publication number: 20210114032
    Abstract: A fluidic die may include a at least one actuator, and fluid flow architecture to flow a first fluid through at least one fluidic channel, and flow a second fluid through the at least one fluidic channel to form a laminar flow between the first fluid and the actuator. The at least one actuator forms a drive bubble from the second fluid to cause the first fluid to be ejected from the fluidic die.
    Type: Application
    Filed: April 23, 2018
    Publication date: April 22, 2021
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Garrett E. Clark, Si-lam Choy, Jacob Lum, Craig Olbrich, Jeremy Sells, Tsuyoshi Yamashita
  • Publication number: 20210039392
    Abstract: A fluid ejection die may include a number of fluid ejection chambers laid to correlate with a number of dividers formed in a fluid channel layer such that adjacent fluid ejection chambers are alternatively arranged on a relatively higher-temperature side of the fluid ejection die and a relatively lower-temperature side of the fluid ejection die.
    Type: Application
    Filed: March 12, 2018
    Publication date: February 11, 2021
    Applicant: Hewlett- Packard Development Company, L.P.
    Inventor: Garrett E. Clark
  • Patent number: 10875321
    Abstract: In some examples, a fluid ejection device includes a support body, a multi-die assembly, and a fluid channel that extends through the support body from a first side to a second side adjacent the multi-die assembly. The multi-die assembly includes a plurality of fluid ejection dies to receive fluid from the fluid channel, where a first fluid ejection die of the plurality of fluid ejection dies is to dispense fluid of a first drop size, and a second fluid ejection die of the plurality of fluid ejection dies is to dispense fluid of a second drop size different from the first drop size.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: December 29, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Garrett E Clark
  • Publication number: 20200398562
    Abstract: Examples include a fluid ejection die having a die length and a die width. The fluid ejection die may include a plurality of nozzles arranged along the die length and a die width. The plurality of nozzles is arranged such that at least one pair of neighboring nozzles are positioned at different die width positions along the width of the fluid ejection die. The example fluid ejection die further includes a plurality of ejection chambers including a respective ejection chamber fluidically coupled to each respective nozzle. The fluid ejection die further includes an array of fluid feed holes. The array of fluid feed holes includes at least one fluid feed hole fluidically each respective ejection chamber.
    Type: Application
    Filed: March 12, 2018
    Publication date: December 24, 2020
    Inventors: Galen Cook, Garrett E Clark, Michael W Cumbie, James R Przybyla, Richard Seaver, Frank D Derryberry, Si-lam J Choy
  • Publication number: 20200398563
    Abstract: Examples include a fluid ejection device. The fluid ejection device includes at least one fluid ejection die coupled to a support structure and having a die length and a die width. The at least one fluid ejection die may include a plurality of nozzles arranged along the die length and a die width. The plurality of nozzles is arranged such that at least one pair of neighboring nozzles are positioned at different die width positions along the width of the fluid ejection die. The at least one fluid ejection die further includes a plurality of ejection chambers including a respective ejection chamber fluidically coupled to each respective nozzle. The at least one fluid ejection die further includes an array of fluid feed holes. The array of fluid feed holes includes at least one fluid feed hole fluidically coupled to each respective ejection chamber.
    Type: Application
    Filed: March 12, 2018
    Publication date: December 24, 2020
    Inventors: Galen Cook, Garrett E Clark, Michael W Cumbie, James R Przybyla, Richard Seaver, Frank D Derryberry, Si-lam J Choy
  • Publication number: 20200398564
    Abstract: Examples include a fluid ejection die having a die length and a die width. The fluid ejection die may include a plurality of nozzles arranged along the die length and a die width. The plurality of nozzles is arranged such that at least one pair of neighboring nozzles are positioned at different die width positions along the width of the fluid ejection die. The example fluid ejection die further includes a plurality of ejection chambers including a respective ejection chamber fluidically coupled to each respective nozzle. The fluid ejection die further includes an array of fluid feed holes. The array of fluid feed holes includes a first respective fluid feed hole fluidically coupled to each respective ejection chamber, and the array of fluid feed holes includes a second respective fluid feed hole fluidically coupled to each respective ejection chamber.
    Type: Application
    Filed: March 12, 2018
    Publication date: December 24, 2020
    Inventors: Galen Cook, Garrett E Clark, Michael W Cumbie, James R Przybyla, Richard Seaver, Frank D Derryberry, Si-lam J Choy
  • Patent number: 10780699
    Abstract: In one example in accordance with the present disclosure a printhead is described. The printhead includes a number of nozzles to deposit an amount of fluid onto a print medium and an ink delivery system to deliver the amount of fluid from an ink tank to the number of nozzles. The printhead also includes an attachment feature to removably couple a removable printhead cover to the printhead. The printhead further includes a removable printhead cover removably coupled to the printhead at the attachment feature.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: September 22, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Garrett E. Clark, Mark H. MacKenzie
  • Patent number: 10661567
    Abstract: Printheads and methods of fabricating printheads are disclosed. An example printhead includes a substrate and a printhead die disposed on a surface of the substrate, where a top surface of the printhead die projects a first distance from the surface of the substrate. The example printhead also includes a barrier at least partially surrounding the printhead die. A top surface of the barrier projects a second distance from the surface of the substrate, where the first distance is less than the second distance.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: May 26, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Michael W. Cumbie, Chien-Hua Chen, Mark H. MacKenzie, Garrett E. Clark
  • Publication number: 20190329566
    Abstract: In some examples, a fluid ejection device includes a support body, a multi-die assembly, and a fluid channel that extends through the support body from a first side to a second side adjacent the multi-die assembly. The multi-die assembly includes a plurality of fluid ejection dies to receive fluid from the fluid channel, where a first fluid ejection die of the plurality of fluid ejection dies is to dispense fluid of a first drop size, and a second fluid ejection die of the plurality of fluid ejection dies is to dispense fluid of a second drop size different from the first drop size.
    Type: Application
    Filed: January 23, 2017
    Publication date: October 31, 2019
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventor: Garrett E Clark
  • Patent number: 10434770
    Abstract: A temperature of one printing element is adjusted based upon a temperature of another of printing element.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: October 8, 2019
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Garrett E. Clark, Michael W. Cumbie, Mark H. MacKenzie, Jose Luis Valero
  • Patent number: 10427406
    Abstract: The present disclosure includes a description of an example print bar that includes an ejection die disposed on a support element, and a sensor disposed at a particular location on the support element.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: October 1, 2019
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Garrett E. Clark, Michael W. Cumbie, Jeremy Sells, Mark H. MacKenzie
  • Patent number: 10369790
    Abstract: A fluid dispenser may include an array of fluid delivery assemblies. Each fluid delivery assembly may include orifices through which fluid is to be ejected and slots. Each slot extends to a respective one of the orifices. The slots have different geometric shapes.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: August 6, 2019
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Silam J. Choy, Garrett E. Clark, Rio Rivas, Ed Friesen, Kelly Ronk
  • Patent number: 10363745
    Abstract: Examples described herein include a printhead assembly that includes a housing having a printing material reservoir and a print nozzle array disposed in a side of the housing. The print nozzle array is coupled to the printing material reservoir through a first channel. The printhead assembly can also include a pressure equalization element disposed in the side of the housing and coupled to the printing material reservoir through a second channel to allow air to enter the printing material reservoir when a pressure in the printing material reservoir changes.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: July 30, 2019
    Assignee: HEWLETT -PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Garrett E. Clark, Michael W. Cumbie, Mark H. MacKenzie
  • Patent number: 10343397
    Abstract: In one example in accordance with the present disclosure a printer cartridge is described. The printer cartridge includes at least one backpressure chamber to provide backpressure to a fluid during deposition of the fluid onto a print medium. The printer cartridge also includes multiple fluid chambers in fluid communication with the at least one backpressure chamber. A fluid chamber provides fluid to a portion of a printhead. Adjacent fluid chambers are selectively in fluid communication with one another via valves.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: July 9, 2019
    Inventors: Mark H. MacKenzie, Garrett E. Clark, Michael W. Cumbie
  • Publication number: 20190060898
    Abstract: Examples include microfluidic devices. Example microfluidic devices comprise a microfluidic channel, a capillary chamber, and a fluidic actuator. The microfluidic channel is fluidly connected to the capillary chamber. The capillary chamber is to restrict flow of fluid therethrough. The fluidic actuator is positioned proximate the capillary chamber. The fluidic actuator is to actuate to thereby initiate flow of fluid through the capillary chamber.
    Type: Application
    Filed: April 14, 2016
    Publication date: February 28, 2019
    Inventors: Devin Alexander MOUREY, Michael W CUMBIE, Garrett E CLARK
  • Patent number: 10207497
    Abstract: Selecting nozzles can include selecting nozzles of a plurality of nozzles to print a portion of a print job based on content of the print job and assigning firing reservations to the selected nozzles, where a total number of the firing reservations assigned to the selected nozzles is comparatively less than a total number of the plurality of nozzles.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: February 19, 2019
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Michael W. Cumbie, Garrett E. Clark, Mark H. MacKenzie