Patents by Inventor Gregory H. Rau

Gregory H. Rau 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).

  • Apparatus for extracting and sequestering carbon dioxide
    Patent number: 7655193
    Abstract: An apparatus and method associated therewith to extract and sequester carbon dioxide (CO2) from a stream or volume of gas wherein said apparatus hydrates CO2 and reacts the resulting carbonic acid with carbonate. Suitable carbonates include, but are not limited to, carbonates of alkali metals and alkaline earth metals, preferably carbonates of calcium and magnesium. Waste products are metal cations and bicarbonate in solution or dehydrated metal salts, which when disposed of in a large body of water provide an effective way of sequestering CO2 from a gaseous environment.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: February 2, 2010
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Gregory H. Rau, Kenneth G. Caldeira
  • Method for extracting and sequestering carbon dioxide
    Patent number: 6890497
    Abstract: A method and apparatus to extract and sequester carbon dioxide (CO2) from a stream or volume of gas wherein said method and apparatus hydrates CO2, and reacts the resulting carbonic acid with carbonate. Suitable carbonates include, but are not limited to, carbonates of alkali metals and alkaline earth metals, preferably carbonates of calcium and magnesium. Waste products are metal cations and bicarbonate in solution or dehydrated metal salts, which when disposed of in a large body of water provide an effective way of sequestering CO2 from a gaseous environment.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: May 10, 2005
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Gregory H. Rau, Kenneth G. Caldeira
  • Method and apparatus for extracting and sequestering carbon dioxide
    Publication number: 20010022952
    Abstract: A method and apparatus to extract and sequester carbon dioxide (CO2) from a stream or volume of gas wherein said method and apparatus hydrates CO2, and reacts the resulting carbonic acid with carbonate. Suitable carbonates include, but are not limited to, carbonates of alkali metals and alkaline earth metals, preferably carbonates of calcium and magnesium. Waste products are metal cations and bicarbonate in solution or dehydrated metal salts, which when disposed of in a large body of water provide an effective way of sequestering CO2 from a gaseous environment.
    Type: Application
    Filed: January 16, 2001
    Publication date: September 20, 2001
    Inventors: Gregory H. Rau, Kenneth G. Caldeira