Patents by Inventor Robert A. Ludwig

Robert A. Ludwig 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).

  • IN VIVO CONVERSION OF LIGHT ENERGY INTO HYDROGEN GAS
    Publication number: 20140329288
    Abstract: The present disclosure provides isolated phototrophic cells for producing hydrogen and methods for use thereof. The methods involve inducing endo-hydrogenase expression in the phototrophic cells through the use of a regulatable promoter and harvesting light energy for hydrogen production. In preferred embodiments the hydrogenase is a member of the Hyq family of endo-hydrogenases and the isolated phototrophic cell is a Rhodopseudomonas palustris cell.
    Type: Application
    Filed: August 31, 2012
    Publication date: November 6, 2014
    Applicant: The Regents of University of California
    Inventor: Robert A. Ludwig
  • Conferred susceptibility to lambda phage in non-coliform procaryotic hosts
    Patent number: 4784952
    Abstract: Vectors suitable for effecting expression of lamB protein in a desired procaryotic host, and methods for their construction, are disclosed. Transformation with these vectors results in the ability of the procaryotic host to sustain infection by lambda phage.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: November 15, 1988
    Assignee: The Regents of the University of California
    Inventors: Robert A. Ludwig, Gert E. de Vries