Patents by Inventor Ursula Erhardt

Ursula Erhardt 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: 8409854
    Abstract: A bioreactor comprising a reactor chamber defined by reactor walls and a reactor opening, optionally with means penetrating the reactor opening in order to supply gases and/or liquids, for taking samples, for supplying microorganisms or cells, for the introduction of measuring probes, for the addition of additives or sterilizing agents and/or for emptying the bioreactor, with means for sealing the reactor opening, wherein at least one inflatable eddy current breaker is installed in the reactor chamber.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: April 2, 2013
    Assignee: Sartorius Stedim Biotech GmbH
    Inventors: Ursula Erhardt, Christoph Erhardt
  • Publication number: 20100093073
    Abstract: A bio-reactor for cultivating cells, comprising a culture vessel, at least one gas supply and/or liquid feed in addition to supply devices for gases and/or liquids enabling gases or liquids to be fed to the culture vessel. A mixture device, especially a Venturi nozzle is arranged between the supply device and gas supply or liquid feed in order to mix gas and/or liquid from the gas supply or liquid feed.
    Type: Application
    Filed: November 5, 2007
    Publication date: April 15, 2010
    Inventors: Ursula Erhardt, Christoph Erhardt
  • Publication number: 20100035330
    Abstract: A bio-reactor for cultivating cells, comprising a culture vessel, at least one gas supply and/or liquid feed in addition to supply devices for gases and/or liquids enabling gases or liquids to be fed to the culture vessel. A mixture device, especially a Venturi nozzle is arranged between the supply device and gas supply or liquid feed in order to mix gas and/or liquid from the gas supply or liquid feed.
    Type: Application
    Filed: November 5, 2007
    Publication date: February 11, 2010
    Inventors: Ursula Erhardt, Christoph Erhardt
  • Publication number: 20050130291
    Abstract: A bioreactor comprising a reactor chamber defined by reactor walls and a reactor opening, optionally with means penetrating the reactor opening in order to supply gases and/or liquids, for taking samples, for supplying microorganisms or cells, for the introduction of measuring probes, for the addition of additives or sterilizing agents and/or for emptying the bioreactor, with means for sealing the reactor opening, wherein at least one inflatable eddy current breaker is installed in the reactor chamber.
    Type: Application
    Filed: July 31, 2001
    Publication date: June 16, 2005
    Inventors: Ursula Erhardt, Christoph Erhardt
  • Publication number: 20050118702
    Abstract: A bio-reactor for cultivating cells, comprising a culture vessel, at least one gas supply and/or liquid feed in addition to supply devices for gases and/or liquids enabling gases or liquids to be fed to the culture vessel. A mixer device, especially a Venturi nozzle is arranged between the supply device and gas supply or liquid feed in order to mix gas and/or liquid from the gas supply or liquid feed.
    Type: Application
    Filed: July 31, 2001
    Publication date: June 2, 2005
    Inventors: Ursula Erhardt, Christoph Erhardt