Patents by Inventor Eric Carl Hansen

Eric Carl Hansen 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).

  • Rotating Spray Device for Water Distribution on Media Bed of a Biofilter
    Publication number: 20220362710
    Abstract: A biofilter irrigation system comprises a cylindrical vessel having a central axis, a media bed positioned within the vessel, a spray head system positioned above the media bed, the spray head system comprising a central hub positioned at the central axis of the vessel, at least one arm extending distally from the central hub toward a wall of the vessel and configured to rotate about the central axis, and a plurality of nozzles connected to the at least one arm. The biofilter irrigation system further comprises a fluid outlet positioned below the media bed.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicant: Evoqua Water Technologies LLC
    Inventors: Michael Sumner Murphy, James Paul Harshman, Eric Carl Hansen
  • Rotating spray device for water distribution on media bed of a biofilter
    Patent number: 11400412
    Abstract: A biofilter irrigation system comprises a cylindrical vessel having a central axis, a media bed positioned within the vessel, a spray head system positioned above the media bed, the spray head system comprising a central hub positioned at the central axis of the vessel, at least one arm extending distally from the central hub toward a wall of the vessel and configured to rotate about the central axis, and a plurality of nozzles connected to the at least one arm. The biofilter irrigation system further comprises a fluid outlet positioned below the media bed.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: August 2, 2022
    Assignee: Evoqua Water Technologies LLC
    Inventors: Michael Sumner Murphy, James Paul Harshman, Eric Carl Hansen
  • Rotating Spray Device for Water Distribution on Media Bed of a Biofilter
    Publication number: 20180021722
    Abstract: A biofilter irrigation system comprises a cylindrical vessel having a central axis, a media bed positioned within the vessel, a spray head system positioned above the media bed, the spray head system comprising a central hub positioned at the central axis of the vessel, at least one arm extending distally from the central hub toward a wall of the vessel and configured to rotate about the central axis, and a plurality of nozzles connected to the at least one arm. The biofilter irrigation system further comprises a fluid outlet positioned below the media bed.
    Type: Application
    Filed: February 12, 2016
    Publication date: January 25, 2018
    Inventors: Michael Sumner Murphy, James Paul Harshman, Eric Carl Hansen