Patents by Inventor Russell S. Sauer

Russell S. Sauer 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).

  • Fluid delivery
    Patent number: 11273646
    Abstract: A fluid delivery system may include a fluid reservoir that may include a fluid supply port through which fluid is supplied to the fluid reservoir, a fluid outlet port through which a first portion of discharged fluid is supplied from the reservoir to a fluid ejection device, a fluid inlet port through which a second portion of the discharged fluid is recirculated back to the reservoir and through which air is pushed into the reservoir and an atmospheric vent to vent the air, that was pushed into the reservoir through the fluid inlet port, from the reservoir.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: March 15, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Christopher J. Arnold, Russell S Sauer
  • Vented reservoirs with floats for print agents
    Patent number: 11241875
    Abstract: In example implementations, a storage apparatus is provided. The storage apparatus includes a sealed reservoir partially filled with a print agent. A float is partially submerged in the print agent. A weight is coupled to a submerged portion of the float. A vent is coupled to the float and an opening in the sealed reservoir. A valve is coupled to an unsubmerged portion of the float.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: February 8, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Christopher John Arnold, Melissa S. Gedraitis, Russell S. Sauer
  • FLUID DELIVERY
    Publication number: 20210276339
    Abstract: A fluid delivery system may include a fluid reservoir that may include a fluid supply port through which fluid is supplied to the fluid reservoir, a fluid outlet port through which a first portion of discharged fluid is supplied from the reservoir to a fluid ejection device, a fluid inlet port through which a second portion of the discharged fluid is recirculated back to the reservoir and through which air is pushed into the reservoir and an atmospheric vent to vent the air, that was pushed into the reservoir through the fluid inlet port, from the reservoir.
    Type: Application
    Filed: June 21, 2018
    Publication date: September 9, 2021
    Inventors: Christopher J. Arnold, Russell S. Sauer
  • VENTED RESERVOIRS WITH FLOATS FOR PRINT AGENTS
    Publication number: 20200398553
    Abstract: In example implementations, a storage apparatus is provided. The storage apparatus includes a sealed reservoir partially filled with a print agent. A float is partially submerged in the print agent. A weight is coupled to a submerged portion of the float. A vent is coupled to the float and an opening in the sealed reservoir. A valve is coupled to an unsubmerged portion of the float.
    Type: Application
    Filed: January 10, 2018
    Publication date: December 24, 2020
    Inventors: Christopher John Arnold, Melissa S. Gedraitis, Russell S. Sauer