Patents Assigned to Aveston Grifford Ltd.
  • Photobioreactor
    Patent number: 9102923
    Abstract: A method of operating a closed photobioreactor for cultivation of phototrophic microorganisms. The photobioreactor comprises a culture liquid and is partially or completely surrounded by water of a water body. A density difference between the culture liquid and the surrounding water is provided so that the position of the photobioreactor in the water body is controlled. A closed photobioreactor for cultivation of phototrophic microorganisms. The photobioreactor is adapted to comprise a culture liquid and to be partially or completely surrounded by water of a water body. The photobioreactor comprises means for determining the density difference between the culture liquid and the surrounding water.
    Type: Grant
    Filed: January 19, 2009
    Date of Patent: August 11, 2015
    Assignee: Aveston Grifford Ltd.
    Inventors: Andreas Meiser, Miguel Verhein
  • Photobioreactor
    Patent number: 8940518
    Abstract: A method of operating a closed photobioreactor for cultivation of phototrophic microorganisms. The photobioreactor comprises a culture liquid and is partially or completely surrounded by water of a water body. A density difference between the culture liquid and the surrounding water is provided so that the position of the photobioreactor in the water body is controlled. A closed photobioreactor for cultivation of phototrophic microorganisms. The photobioreactor is adapted to comprise a culture liquid and to be partially or completely surrounded by water of a water body. The photobioreactor comprises means for determining the density difference between the culture liquid and the surrounding water.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: January 27, 2015
    Assignee: Aveston Grifford Ltd.
    Inventors: Andreas Meiser, Miguel Verhein
  • PHOTOBIOREACTOR
    Publication number: 20140242677
    Abstract: A method of operating a closed photobioreactor for cultivation of phototrophic microorganisms. The photobioreactor comprises a culture liquid and is partially or completely surrounded by water of a water body. A density difference between the culture liquid and the surrounding water is provided so that the position of the photobioreactor in the water body is controlled. A closed photobioreactor for cultivation of phototrophic microorganisms. The photobioreactor is adapted to comprise a culture liquid and to be partially or completely surrounded by water of a water body. The photobioreactor comprises means for determining the density difference between the culture liquid and the surrounding water.
    Type: Application
    Filed: May 6, 2014
    Publication date: August 28, 2014
    Applicant: AVESTON GRIFFORD LTD.
    Inventors: Andreas Meiser, Miguel Verhein
  • PHOTOBIOREACTOR
    Publication number: 20110124087
    Abstract: A method of operating a closed photobioreactor for cultivation of phototrophic microorganisms. The photobioreactor comprises a culture liquid and is partially or completely surrounded by water of a water body. A density difference between the culture liquid and the surrounding water is provided so that the position of the photobioreactor in the water body is controlled. A closed photobioreactor for cultivation of phototrophic microorganisms. The photobioreactor is adapted to comprise a culture liquid and to be partially or completely surrounded by water of a water body. The photobioreactor comprises means for determining the density difference between the culture liquid and the surrounding water.
    Type: Application
    Filed: January 19, 2009
    Publication date: May 26, 2011
    Applicant: Aveston Grifford Ltd.
    Inventors: Andreas Meiser, Miguel Verhein