Patents by Inventor Paul E. Lambrecht

Paul E. Lambrecht 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).

  • Patent number: 6652743
    Abstract: A system and method for removing pollutants from wastewater. The system includes a constructed wetland cell in which the filtered wastewater is flowed generally vertically. The flow of wastewater is unsaturated through the wetland cell to aerate the wastewater. The wastewater may be further aerated by a blower or injector. The treated wastewater from the wetland cell is blended with untreated wastewater, then either recirculated through the wetland cell or conveyed to a disposal system.
    Type: Grant
    Filed: January 26, 2002
    Date of Patent: November 25, 2003
    Assignee: North American Wetland Engineering, Inc.
    Inventors: Scott D. Wallace, Paul E. Lambrecht
  • Publication number: 20030024874
    Abstract: A system and method for removing pollutants from wastewater. The system includes a constructed wetland cell in which the filtered wastewater is flowed generally vertically. The flow of wastewater is unsaturated through the wetland cell to aerate the wastewater. The wastewater may be further aerated by a blower or injector. The treated wastewater from the wetland cell is blended with untreated wastewater, then either recirculated through the wetland cell or conveyed to a disposal system.
    Type: Application
    Filed: January 26, 2002
    Publication date: February 6, 2003
    Inventors: Scott D. Wallace, Paul E. Lambrecht