Patents Assigned to FISHERH2O, LLC
  • Patent number: 11772991
    Abstract: An efficient, cost-effective, and efficacious technique for removing coal ash and other pollutants from waterways, ponds, marshes, holding tanks and other water sources and supplies. An apparatus comprising an open cage including electromagnets and/or permanent magnets and/or electrodes is supplied with electrical power to extract materials such as rare earth elements and/or heavy metals. The materials levitate to the surface, forming a slurry while leaving water substantially free of such materials. Rare earth magnets electrically connect electrolysis electrode structures and serve as electrolysis electrode segments.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: October 3, 2023
    Assignee: FisherH2O, LLC
    Inventor: David Keith Fisher
  • Patent number: 11261108
    Abstract: An efficient, cost-effective, and efficacious technique for removing coal ash and other pollutants from waterways, ponds, marshes, holding tanks and other water sources and supplies. An apparatus comprising an open cage including electromagnets and/or permanent magnets and/or electrodes is supplied with electrical power to extract materials such as rare earth elements and/or heavy metals. The materials levitate to the surface, forming a shiny while leaving water substantially free of such materials.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: March 1, 2022
    Assignee: FisherH2O, LLC
    Inventor: David Keith Fisher
  • Patent number: 10662089
    Abstract: An efficient, cost-effective, and efficacious technique for removing coal ash and other pollutants from waterways, ponds, marshes, holding tanks and other water sources and supplies. An apparatus comprising an open cage including electromagnets and/or permanent magnets and/or electrodes is supplied with electrical power to extract materials such as rare earth elements and/or heavy metals. The materials levitate to the surface, forming a slurry while leaving water substantially free of such materials.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: May 26, 2020
    Assignee: FISHERH2O, LLC
    Inventor: David Keith Fisher