Patents by Inventor John L. Lewnard

John L. Lewnard 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).

  • Photobioreactor systems and methods for treating CO2-enriched gas and producing biomass
    Patent number: 8877488
    Abstract: Certain embodiments and aspects of the invention relate to a photobioreactor including covered photobioreactor units through which a liquid medium stream and a gas stream flow. The liquid medium comprises at least one species of phototrophic organism therein. Certain methods of using the photobioreactor system as part of fuel generation system and/or a gas-treatment process or system at least partially remove certain undesirable pollutants from a gas stream. In certain embodiments, a portion of the liquid medium is diverted from a photobioreactor unit and reintroduced upstream of the diversion position.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: November 4, 2014
    Assignee: Algae Systems, LLC
    Inventors: John L. Lewnard, Xiaoxi Wu
  • Photobioreactor Systems and Methods for Treating CO2-Enriched Gas and Producing Biomass
    Publication number: 20130330810
    Abstract: Certain embodiments and aspects of the invention relate to a photobioreactor including covered photobioreactor units through which a liquid medium stream and a gas stream flow. The liquid medium comprises at least one species of phototrophic organism therein. Certain methods of using the photobioreactor system as part of fuel generation system and/or a gas-treatment process or system at least partially remove certain undesirable pollutants from a gas stream. In certain embodiments, a portion of the liquid medium is diverted from a photobioreactor unit and reintroduced upstream of the diversion position.
    Type: Application
    Filed: August 12, 2013
    Publication date: December 12, 2013
    Applicant: Algae Systems, LLC
    Inventors: John L. Lewnard, Xiaoxi Wu