Patents by Inventor John M. Janson

John M. Janson 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).

  • Culture vessel and assembly
    Patent number: 5795775
    Abstract: An assembly and components therefor are disclosed for use in the field of cell and tissue culture. The assembly includes a base having one or more wells, and a cell culture insert which is mountable to the base such that the bottom wall of the insert is suspended within the well. Each well has a generally rectangular configuration such that openings are provided at each corner of the well for introducing fluid to the well. A cover is provided for protecting the assembly and maintaining the position of the cell culture insert.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: August 18, 1998
    Assignee: Becton Dickinson and Company
    Inventors: William J. Lahm, Timothy A. Stevens, Alexander G. Tschumakow, Leon M. Wilkins, John M. Janson, Stephen C. Conley
  • Culture vessel and assembly
    Patent number: 5766937
    Abstract: An assembly and components therefor are disclosed for use in the field of cell and tissue culture. The assembly includes a base having one or more wells, and a cell culture insert which is mountable to the base such that the bottom wall of the insert is suspended within the well. Each well has a generally rectangular configuration such that openings are provided at each corner of the well for introducing fluid to the well. A cover is provided for protecting the assembly and maintaining the position of the cell culture insert.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: June 16, 1998
    Assignees: Becton Dickinson and Company, Organogenesis, Inc.
    Inventors: William J. Lahm, Timothy A. Stevens, Alexander G. Tschumakow, Leon M. Wilkins, John M. Janson, Stephen C. Conley
  • 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
  • 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
  • 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
  • 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
  • Culture dish
    Patent number: D378941
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: April 22, 1997
    Assignee: Becton, Dickinson and Company
    Inventors: William J. Lahm, Timothy A. Stevens, Alexander G. Tschumakow, Leon M. Wilkins, John M. Janson, Stephen C. Conley
  • Cell insert assembly
    Patent number: D404497
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: January 19, 1999
    Assignee: Becton Dickinson and Company
    Inventors: William J. Lahm, Timothy A. Stevens, Alexander G. Tschumakow, Leon M. Wilkins, John M. Janson, Stephen C. Conley