Patents by Inventor John J. Kayal

John J. Kayal 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).

  • Reusable vented flask cap cover
    Patent number: 5766936
    Abstract: A vessel and closure assembly for culturing cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of the incubator. A plug is provided for occluding passage of gases through the gas permeable membrane when the vessel is removed from the controlled atmosphere of the incubator.
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: June 16, 1998
    Assignee: Becton Dickinson and Company
    Inventors: John J. Kayal, Susan L. Barker, John M. Janson
  • Cell strainer cap
    Patent number: 5711875
    Abstract: A cell strainer assembly useful for filtering and collecting suspensions for use in immunological studies and more particularly in flow cytometry procedures. The assembly comprises a container and a cap with means for filtering and collecting a suspension.
    Type: Grant
    Filed: December 11, 1996
    Date of Patent: January 27, 1998
    Assignee: Becton Dickinson and Company
    Inventors: John J. Kayal, Seiji Fukushima, Thomas Fleming
  • Reusable vented flask cap cover
    Patent number: 5695987
    Abstract: A vessel and closure assembly for culturing cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of the incubator. A plug is provided for occluding passage of gases through the gas permeable membrane when the vessel is removed from the controlled atmosphere of the incubator.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: December 9, 1997
    Assignee: Becton Dickinson and Company
    Inventors: John J. Kayal, Susan L. Barker, John M. Janson
  • Reusable vented flask cap cover
    Patent number: 5622865
    Abstract: A vessel and closure assembly for culturing cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of the incubator. A plug is provided for occluding passage of gases through the gas permeable membrane when the vessel is removed from the controlled atmosphere of the incubator.
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: April 22, 1997
    Assignee: Becton, Dickinson and Company
    Inventors: John J. Kayal, Susan L. Barker, John M. Janson
  • Cell strainer assembly and method of use
    Patent number: 5601728
    Abstract: A cell strainer assembly useful for filtering and collecting suspensions for use in immunological studies and more particularly in flow cytometry procedures. The assembly comprises a container and a cap with means for filtering and collecting a suspension.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: February 11, 1997
    Assignee: Becton, Dickinson and Company
    Inventors: John J. Kayal, Seiji Fukushima, Thomas Fleming
  • Reusable vented flask cap cover
    Patent number: 5595907
    Abstract: A vessel and closure assembly for culturing cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of the incubator. A plug is provided for occluding passage of gases through the gas permeable membrane when the vessel is removed from the controlled atmosphere of the incubator.
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: January 21, 1997
    Assignee: Becton, Dickinson and Company
    Inventors: John J. Kayal, Susan L. Barker, John M. Janson
  • Reusable vented flask cap cover
    Patent number: 5578491
    Abstract: A vessel and closure assembly for culturing cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of the incubator. A plug is provided for occluding passage of gases through the gas permeable membrane when the vessel is removed from the controlled atmosphere of the incubator.
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: November 26, 1996
    Assignee: Becton, Dickinson and Company
    Inventors: John J. Kayal, Susan L. Barker, John M. Janson
  • Cell strainer assembly and method of use
    Patent number: 5518612
    Abstract: A cell strainer assembly useful for filtering and collecting suspensions for use in immunological studies and more particularly in flow cytometry procedures. The assembly comprises a container and a cap with means for filtering and collecting a suspension and with means for removably securing the cap and the container.
    Type: Grant
    Filed: August 30, 1994
    Date of Patent: May 21, 1996
    Assignee: Becton, Dickinson and Company
    Inventors: John J. Kayal, Seiji Fukushima, Thomas Fleming
  • Culturing vessel and closure assembly
    Patent number: 5391496
    Abstract: A vessel and closure assembly for culturing cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of the incubator. A plug is provided for occluding passage of gases through the gas permeable membrane when the vessel is removed from the controlled atmosphere of the incubator.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: February 21, 1995
    Assignee: Becton, Dickinson and Company
    Inventors: John J. Kayal, Susan L. Barker, John M. Janson