Patents by Inventor Steffan Madsen

Steffan Madsen 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).

  • Device for treating fluids, especially waste water, comprising a stack of disks
    Patent number: 7670481
    Abstract: A device is provided for treating waste water, the device including a closed housing containing at least one stack of disks through which waste water can flow. A circulating pump is provided for pumping the fluid, the pump forming a structural unit including the housing and the stack of disks arranged therein.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: March 2, 2010
    Assignee: Grundfos Management a/s
    Inventor: Steffan Madsen
  • Device For Treating Fluids, Especially Waste Water, Comprising a Stack of Disks
    Publication number: 20080210620
    Abstract: The invention relates to a device for treating waste water, said device comprising a closed housing (1) containing at least one stack of disks through which waste water can flow. A circulating pump is provided for pumping the fluid, said pump forming a structural unit comprising the housing (1) and the stack of disks arranged therein.
    Type: Application
    Filed: March 21, 2006
    Publication date: September 4, 2008
    Applicant: GRUNDFOS MANAGEMENT A/S
    Inventor: Steffan Madsen