Patents by Inventor John Charles Tessen

John Charles Tessen 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: 11579053
    Abstract: Systems and methods that enable automated processing of specimens carried on microscope slides are described herein. Aspects of the technology are directed, for example, to automated slide processing apparatuses capable of dispensing liquids onto microscope slides. Additional aspects of the technology are directed to methods of replacing a reagent pipette in automated slide processing apparatuses. The apparatus can include, for example, a reagent pipette assembly including a reagent pipette moveable between at least one loading position for obtaining reagent from a reagent container at a filling station and at least one dispense position. The apparatus can also include a retainer for releasably securing the reagent pipette. In some embodiments, the reagent pipette assembly includes a locking mechanism for transitioning the retainer from an open configuration for receiving a pipette and a closed configuration for securing a pipette, in e.g., an aligned position within the retainer.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: February 14, 2023
    Assignee: Ventana Medical Systems, Inc.
    Inventors: Donald M. Barnett, Robert Javier Cisneroz, Timothy Brett McDonald, Christopher OHaire, Jason Ruhl, John Charles Tessen
  • Publication number: 20220026321
    Abstract: Systems and methods that enable automated processing of specimens carried on microscope slides are described herein. Aspects of the technology are directed, for example, to automated slide processing apparatuses capable of dispensing liquids onto microscope slides. Additional aspects of the technology are directed to methods of replacing a reagent pipette in automated slide processing apparatuses. The apparatus can include, for example, a reagent pipette assembly including a reagent pipette moveable between at least one loading position for obtaining reagent from a reagent container at a filling station and at least one dispense position. The apparatus can also include a retainer for releasably securing the reagent pipette. In some embodiments, the reagent pipette assembly includes a locking mechanism for transitioning the retainer from an open configuration for receiving a pipette and a closed configuration for securing a pipette, in e.g., an aligned position within the retainer.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 27, 2022
    Inventors: Donald M. Barnett, Robert Javier Cisneroz, Timothy Brett McDonald, Christopher OHaire, Jason Ruhl, John Charles Tessen
  • Patent number: 11162878
    Abstract: Systems and methods that enable automated processing of specimens carried on microscope slides are described herein. Aspects of the technology are directed, for example, to automated slide processing apparatuses capable of dispensing liquids onto microscope slides. Additional aspects of the technology are directed to methods of replacing a reagent pipette in automated slide processing apparatuses. The apparatus can include, for example, a reagent pipette assembly including a reagent pipette moveable between at least one loading position for obtaining reagent from a reagent container at a filling station and at least one dispense position. The apparatus can also include a retainer for releasably securing the reagent pipette. In some embodiments, the reagent pipette assembly includes a locking mechanism for transitioning the retainer from an open configuration for receiving a pipette and a closed configuration for securing a pipette, in e.g., an aligned position within the retainer.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: November 2, 2021
    Assignee: Ventana Medical Systems, Inc.
    Inventors: Donald M. Barnett, Robert Javier Cisneroz, Timothy Brett McDonald, Christopher OHaire, Jason Ruhl, John Charles Tessen
  • Publication number: 20170097289
    Abstract: Systems and methods that enable automated processing of specimens carried on microscope slides are described herein. Aspects of the technology are directed, for example, to automated slide processing apparatuses capable of dispensing liquids onto microscope slides. Additional aspects of the technology are directed to methods of replacing a reagent pipette in automated slide processing apparatuses. The apparatus can include, for example, a reagent pipette assembly including a reagent pipette moveable between at least one loading position for obtaining reagent from a reagent container at a filling station and at least one dispense position. The apparatus can also include a retainer for releasably securing the reagent pipette. In some embodiments, the reagent pipette assembly includes a locking mechanism for transitioning the retainer from an open configuration for receiving a pipette and a closed configuration for securing a pipette, in e.g., an aligned position within the retainer.
    Type: Application
    Filed: December 21, 2016
    Publication date: April 6, 2017
    Inventors: Donald M. Barnett, Robert Javier Cisneroz, Timothy Brett McDonald, Christopher OHaire, Jason Ruhl, John Charles Tessen