Patents by Inventor John A. Ryan

John A. Ryan 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: 11598435
    Abstract: A valve for a refrigeration system includes a valve body, a guide seat arranged in the valve body, a piston plug that has a metering slot and is axially movable relative to the guide seat to open and close the valve, and an adjustable valve stem that is axially movable to engage the piston plug. The piston plug is movable between a closed position in which the piston plug is seated against the guide seat and engaged with the valve stem to prevent fluid flow through the valve, a metering position in which the piston plug is moved away from the guide seat and engaged with the valve stem to enable a predetermined amount of forward fluid flow through the valve, and a check valve position in which the piston plug is seated against the guide seat to prevent reverse fluid flow through the valve.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: March 7, 2023
    Assignee: Parker-Hannifin Corporation
    Inventors: John A. Ryan, Gregory A. Edgar
  • Publication number: 20200355414
    Abstract: A valve for a refrigeration system includes a valve body, a guide seat arranged in the valve body, a piston plug that has a metering slot and is axially movable relative to the guide seat to open and close the valve, and an adjustable valve stem that is axially movable to engage the piston plug. The piston plug is movable between a closed position in which the piston plug is seated against the guide seat and engaged with the valve stem to prevent fluid flow through the valve, a metering position in which the piston plug is moved away from the guide seat and engaged with the valve stem to enable a predetermined amount of forward fluid flow through the valve, and a check valve position in which the piston plug is seated against the guide seat to prevent reverse fluid flow through the valve.
    Type: Application
    Filed: September 16, 2019
    Publication date: November 12, 2020
    Inventors: John A. Ryan, Gregory A. Edgar
  • Patent number: 8057092
    Abstract: The present invention relates generally to a cell culture stirring vessel and associated impeller. More particularly, it relates to a fully integrated, disposable spinner flask vessel having a suspended impeller assembly permanently integrated therein. The invention is particularly suitable for use in applications where cells are suspended within a liquid medium with minimal shear forces.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: November 15, 2011
    Assignee: Corning Incorporated
    Inventors: John A. Ryan, Todd M. Upton, Kathy M. Youngbear
  • Publication number: 20080131957
    Abstract: The present invention relates generally to a cell culture stirring vessel and associated impeller. More particularly, it relates to a fully integrated, disposable spinner flask vessel having a suspended impeller assembly permanently integrated therein. The invention is particularly suitable for use in applications where cells are suspended within a liquid medium with minimal shear forces.
    Type: Application
    Filed: November 27, 2007
    Publication date: June 5, 2008
    Inventors: John A. Ryan, Todd M. Upton, Kathy M. Youngbear
  • Patent number: 7078228
    Abstract: A stackable flask for the culturing of cells is disclosed. The cell culture chamber is defined by a top plate and a rigid bottom tray of substantially rectangular shape connected by side and end walls, the body of the flask has imparted therein a gas permeable membrane that will allow the free flow of gases between the cell culture chamber and the external environment. The flask body also includes a sealed septum that will allow access to the cell growth chamber by means of a needle or cannula. The size of the flask and location of an optional neck and cap section allows for flask manipulation by standard automated assay equipment, making the flask ideal for high throughput applications.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: July 18, 2006
    Assignee: Corning Incorporated
    Inventors: William J. Lacey, John A. Ryan, Laurence M. Vaughan, Joseph C. Wall, Kathy M. Youngbear
  • Patent number: 6943009
    Abstract: A high-throughput cell or tissue culture apparatus, which is configurable to an industry-standard well plate format, is provided. The apparatus comprises a number of vessels, which may be suspended in wells of a plate. Each vessel has at least one sidewall defining a first opening and a second opening, each of predetermined cross-sectional area. The second opening has an inner cross-sectional area greater than either the inner cross-sectional area of the first opening or a cross-sectional area in a horizontal plane between the first and second openings. A relatively large substrate area is provided in each vessel for supporting tissue cultures in a fluid medium.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: September 13, 2005
    Assignee: Corning Incorporated
    Inventors: William J. Lacey, Gregory Mathus, David M. Root, John A. Ryan
  • Publication number: 20030215940
    Abstract: A high-throughput cell or tissue culture apparatus, which is configurable to an industry-standard well plate format, is provided. The apparatus comprises a number of vessels, which may be suspended in wells of a plate. Each vessel has at least one sidewall defining a first opening and a second opening, each of predetermined cross-sectional area. The second opening has an inner cross-sectional area greater than either the inner cross-sectional area of the first opening or a cross-sectional area in a horizontal plane between the first and second openings. A relatively large substrate area is provided in each vessel for supporting tissue cultures in a fluid medium.
    Type: Application
    Filed: May 15, 2002
    Publication date: November 20, 2003
    Inventors: William J. Lacey, Gregory Mathus, David M. Root, John A. Ryan