Patents by Inventor Benjamin Ross-Johnsrud

Benjamin Ross-Johnsrud 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).

  • Publication number: 20190276815
    Abstract: A closed and modular fluidic system composed of one or more acoustic elements and cell processing reagents. The system employs a cellular manufacturing process for producing cell and gene therapy therapeutics.
    Type: Application
    Filed: March 8, 2018
    Publication date: September 12, 2019
    Inventors: Bart Lipkens, Rui Tostoes, Brian Dutra, Rudolf Gilmanshin, Jason Dionne, Walter M. Presz, JR., Benjamin Ross-Johnsrud, Goutam Ghoshal, Kedar Chitale
  • Patent number: 10370635
    Abstract: Acoustophoretic devices and methods for separating biological cells (particularly T-cells) from other fluids/materials using multi-dimensional acoustic standing waves are disclosed. The devices include an inlet, at least two outlets, and a flow chamber having an ultrasonic transducer-reflector pair. Specifically, T cells, B cells, or NK cells can be separated from other blood components. A dual-pass acoustophoretic system including two acoustophoretic devices arranged in series and fluidly connected to one another is also illustrated. Means for pre-chilling the mixture prior to separation in the devices or system can be used to improve retention, concentration, and clarification and to prevent outgassing.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: August 6, 2019
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Rudolf Gilmanshin, Brian Dutra, Benjamin Ross-Johnsrud
  • Publication number: 20190211462
    Abstract: Methods for introducing foreign nucleic acids into cells, such as by performing transfection/transduction, using acoustic processes are disclosed herein. The foreign DNA/RNA and the cells are co-located in a multi-dimensional acoustic standing wave, or are co-located by acoustic streaming.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 11, 2019
    Inventors: BART LIPKENS, Goutam Ghoshal, Nicholas Manzi, Thomas J. Kennedy, III, Rui Tostoes, Benjamin Ross-Johnsrud
  • Patent number: 10322949
    Abstract: Separation of particles or droplets from a host fluid may be achieved using a transducer and/or reflector that is a thin, non-planar structure. The thin non-planar structure improves operation of an acoustic standing wave generated by an acoustic transducer. The structure may operate as a pressure release boundary and may be constructed as plastic film.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: June 18, 2019
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Walter M. Presz, Jr., Kedar Chitale, Brian McCarthy, Benjamin Ross-Johnsrud, Thomas J. Kennedy, III, Dane Mealey, Brian Dutra, David Sokolowski
  • Publication number: 20190062690
    Abstract: Separation of materials is achieved using affinity binding and acoustophoretic techniques. A column provided with a fluid mixture of materials for separation and support structures may be used with acoustic waves to block flow of the support structures. The support structures can have an affinity for one or more materials in the fluid mixture. By blocking flow of the support structures, materials bound or adhered to the support structure are also blocked.
    Type: Application
    Filed: May 18, 2018
    Publication date: February 28, 2019
    Inventors: Rui Tostoes, Bart Lipkens, Kedar Chitale, Benjamin Ross-Johnsrud, Walter M. Presz, JR., Jack Saloio
  • Publication number: 20190011407
    Abstract: Separation of materials is achieved using affinity binding and acoustophoretic techniques. A column provided with a fluid mixture of materials for separation and support structures may be used with acoustic waves to block flow of the support structures. The support structures can have an affinity for one or more materials in the fluid mixture. By blocking flow of the support structures, materials bound or adhered to the support structure are also blocked.
    Type: Application
    Filed: April 26, 2018
    Publication date: January 10, 2019
    Inventors: Bart Lipkens, Rui Tostoes, Kedar C. Chitale, Benjamin Ross-Johnsrud, Walter M. Presz, JR., Jack Saloio
  • Publication number: 20180362918
    Abstract: A closed and modular fluidic system composed of one or more acoustic elements and cell processing reagents. The system employs a cellular manufacturing process for producing cell and gene therapy therapeutics.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 20, 2018
    Inventors: Bart Lipkens, Rui Tostoes, Brian Dutra, Rudolf Gilmanshin, Jason Dionne, Walter M. Presz, JR., Benjamin Ross-Johnsrud, Goutam Ghoshal, Kedar Chitale
  • Publication number: 20180298323
    Abstract: Acoustic perfusion devices and processes for separating biomolecules from other material in a fluid mixture are disclosed. The devices include an inlet port, an outlet port, and a collection port that are connected to an acoustic chamber. An ultrasonic transducer creates an acoustic standing wave in the acoustic chamber that permits a continuous flow of fluid to be recovered through the collection port while keeping the biological cells within the acoustic chamber to be returned to the bioreactor from which the fluid mixture is being drawn.
    Type: Application
    Filed: April 6, 2018
    Publication date: October 18, 2018
    Inventors: BART LIPKENS, BENJAMIN ROSS-JOHNSRUD, ERIK MILLER, MARK BROWER
  • Publication number: 20180298371
    Abstract: Methods and systems for separating material from a host fluid use an acoustophoresis device. These methods and systems can deflect material (e.g., a second fluid, cells, beads or other particles, exosomes, viruses, oil droplets) in host fluid streams at high flow rates.
    Type: Application
    Filed: March 30, 2018
    Publication date: October 18, 2018
    Inventors: Bart Lipkens, Jason Dionne, Walter M. Presz, JR., Kedar C. Chitale, Benjamin Ross-Johnsrud
  • Publication number: 20180275106
    Abstract: Separation of materials is achieved using affinity binding and acoustophoretic techniques. A column provided with a fluid mixture of materials for separation and support structures may be used with acoustic waves to block flow of the support structures. The support structures can have an affinity for one or more materials in the fluid mixture. By blocking flow of the support structures, materials bound or adhered to the support structure are also blocked.
    Type: Application
    Filed: April 26, 2018
    Publication date: September 27, 2018
    Inventors: Bart Lipkens, Rui Tostoes, Kedar C. Chitale, Benjamin Ross-Johnsrud, Walter M. Presz, JR., Jack Saloio
  • Publication number: 20180104620
    Abstract: Beads with functionalized material applied to them are exposed to an acoustic field to trap or pass the beads. The beads may include or be free of ferro magnetic material. The beads may be biocompatible or biodegradable for a host. The size of the beads may vary over a range, and/or be heterogenous or homogenous. The composition of the beads may include high, neutral or low acoustic contrast material. The chemistry of the functionalized material may be compatible with existing processes.
    Type: Application
    Filed: October 19, 2017
    Publication date: April 19, 2018
    Inventors: Bart Lipkens, Rudolf Gilmanshin, Natalia Rodionova, Benjamin Ross-Johnsrud
  • Publication number: 20180066224
    Abstract: Methods are disclosed for separating beads and cells from a host fluid. The method includes flowing a mixture containing the host fluid, the beads, and the cells through an acoustophoretic device having an ultrasonic transducer including a piezoelectric material driven by a drive signal to create a multi-dimensional acoustic standing wave. A drive signal is sent to drive the at least one ultrasonic transducer to create the multi-dimensional acoustic standing wave. A recirculating fluid stream having a tangential flow path is located substantially tangential to the standing wave and separated therefrom by an interface region. A portion of the cells pass through the standing wave, and the beads are held back from the standing wave in the recirculating fluid stream at the interface region. Also disclosed is an acoustophoretic device having a coolant inlet adapted to permit the ingress of a cooling fluid into the device for cooling the transducer.
    Type: Application
    Filed: August 29, 2017
    Publication date: March 8, 2018
    Inventors: Bart Lipkens, Rudolf Gilmanshin, Louis Masi, Benjamin Ross-Johnsrud, Erik Miller, Walter M. Presz, JR., Thomas J. Kennedy, III
  • Publication number: 20180010085
    Abstract: Acoustic perfusion devices for separating biological cells from other material in a fluid mixture are disclosed. The devices include an inlet port, an outlet port, and a collection port that are connected to an acoustic chamber. An ultrasonic transducer creates an acoustic standing wave in the acoustic chamber that permits a continuous flow of fluid to be recovered through the collection port while keeping the biological cells within the acoustic chamber to be returned to the bioreactor from which the fluid mixture is being drawn.
    Type: Application
    Filed: September 5, 2017
    Publication date: January 11, 2018
    Inventors: Bart Lipkens, Erik Miller, Benjamin Ross-Johnsrud, Walter M. Presz, Kedar Chitale, Thomas J. Kennedy, III, Lauren Winiarski
  • Patent number: 9822333
    Abstract: Acoustic perfusion devices for separating biological cells from other material in a fluid medium are disclosed. The devices include an inlet port, an outlet port, and a collection port that are connected to an acoustic chamber. An ultrasonic transducer creates an acoustic standing wave in the acoustic chamber that permits a continuous flow of fluid to be recovered through the collection port while keeping the biological cells within the acoustic chamber to be returned to the bioreactor from which the fluid medium is being drawn.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: November 21, 2017
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Erik Miller, Benjamin Ross-Johnsrud, Walter M. Presz, Jr., Kedar Chitale, Thomas J. Kennedy, III
  • Patent number: 9796956
    Abstract: An acoustophoresis device made up of modular components is disclosed. Several modules are disclosed herein, including ultrasonic transducer modules, input/output modules, collection well modules, and various connector modules. These permit different systems to be constructed that have appropriate fluid dynamics for separation of particles, such as biological cells, from a fluid.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: October 24, 2017
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Thomas J. Kennedy, III, Jeffrey King, Jason Barnes, Brian McCarthy, Dane Mealey, Erik Miller, Walter M. Presz, Jr., Benjamin Ross-Johnsrud, John Rozembersky
  • Patent number: 9752113
    Abstract: Acoustic perfusion devices for separating biological cells from other material in a fluid mixture are disclosed. The devices include an inlet port, an outlet port, and a collection port that are connected to an acoustic chamber. An ultrasonic transducer creates an acoustic standing wave in the acoustic chamber that permits a continuous flow of fluid to be recovered through the collection port while keeping the biological cells within the acoustic chamber to be returned to the bioreactor from which the fluid mixture is being drawn.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: September 5, 2017
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Erik Miller, Benjamin Ross-Johnsrud, Walter M. Presz, Jr., Kedar Chitale, Thomas J. Kennedy, III, Lauren Winiarski
  • Patent number: 9745548
    Abstract: Methods are disclosed for separating beads and cells from a host fluid. The method includes flowing a mixture containing the host fluid, the beads, and the cells through an acoustophoretic device having an ultrasonic transducer including a piezoelectric material driven by a drive signal to create a multi-dimensional acoustic standing wave. A drive signal is sent to drive the at least one ultrasonic transducer to create the multi-dimensional acoustic standing wave. A recirculating fluid stream having a tangential flow path is located substantially tangential to the standing wave and separated therefrom by an interface region. A portion of the cells pass through the standing wave, and the beads are held back from the standing wave in the recirculating fluid stream at the interface region. Also disclosed is an acoustophoretic device having a coolant inlet adapted to permit the ingress of a cooling fluid into the device for cooling the transducer.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: August 29, 2017
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Rudolf Gilmanshin, Louis Masi, Benjamin Ross-Johnsrud, Erik Miller, Walter M. Presz, Jr., Thomas J. Kennedy, III
  • Patent number: 9738866
    Abstract: Acoustic perfusion devices for separating biological cells from other material in a fluid mixture are disclosed. The devices include an inlet port, an outlet port, and a collection port that are connected to an acoustic chamber. An ultrasonic transducer creates an acoustic standing wave in the acoustic chamber that permits a continuous flow of fluid to be recovered through the collection port while keeping the biological cells within the acoustic chamber to be returned to the bioreactor from which the fluid mixture is being drawn.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: August 22, 2017
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Erik Miller, Benjamin Ross-Johnsrud, Walter M. Presz, Jr., Kedar Chitale, Thomas J. Kennedy, III, Lauren Winiarski
  • Publication number: 20170217794
    Abstract: Separation of particles or droplets from a host fluid may be achieved using a transducer and/or reflector that is a thin, non-planar structure. The thin non-planar structure improves operation of an acoustic standing wave generated by an acoustic transducer. The structure may operate as a pressure release boundary and may be constructed as plastic film.
    Type: Application
    Filed: April 18, 2017
    Publication date: August 3, 2017
    Inventors: Bart Lipkens, Walter M. Presz, JR., Kedar Chitale, Brian McCarthy, Benjamin Ross-Johnsrud, Thomas J. Kennedy, III, Dane Mealey, Brian Dutra, David Sokolowski
  • Patent number: D797887
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: September 19, 2017
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Walter M. Presz, Jr., Jason Barnes, Dane Mealey, Jeffrey King, Brian McCarthy, Jack Saloio, Kedar Chitale, Benjamin Ross-Johnsrud