Patents by Inventor Johann Graus

Johann Graus 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).

  • Elutriation chamber for an elutriator system
    Patent number: 10047342
    Abstract: The invention relates to an elutriation chamber for an elutriator system for washing and/or isolating cells, in particular thrombocytes, which elutriation chamber comprises a feed line (1) for an aqueous medium containing the cells to be washed and/or to be isolated in suspended form, and a discharge line (2) for the washed and/or isolated cells, wherein the chamber (5) is rotationally symmetrical to the axis (a), characterized in that the ratio of the area of the section through the lumen of the chamber (5) perpendicular to the axis (a) at the widest point (5a-5b) to the area of the section (1a) through the feed line (1) is in the range of 1,000 to 250,000.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: August 14, 2018
    Assignee: BIO-PRODUCTS & BIO-ENGINEERING AG
    Inventors: Johann Eibl, Johann Graus, Christoph Mader
  • ELUTRIATION CHAMBER FOR AN ELUTRIATOR SYSTEM
    Publication number: 20150111295
    Abstract: The invention relates to an elutriation chamber for an elutriator system for washing and/or isolating cells, in particular thrombocytes, which elutriation chamber comprises a feed line (1) for an aqueous medium containing the cells to be washed and/or to be isolated in suspended form, and a discharge line (2) for the washed and/or isolated cells, wherein the chamber (5) is rotationally symmetrical to the axis (a), characterized in that the ratio of the area of the section through the lumen of the chamber (5) perpendicular to the axis (a) at the widest point (5a-5b) to the area of the section (1a) through the feed line (1) is in the range of 1,000 to 250,000.
    Type: Application
    Filed: May 13, 2013
    Publication date: April 23, 2015
    Applicant: BIO-PRODUCTS & BIO-ENGINEERING AG
    Inventors: Johann Eibl, Johann Graus, Christoph Mader