Patents by Inventor Michael P. Lindfors

Michael P. Lindfors 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).

  • Method for water treatment regeneration stage
    Patent number: 9181115
    Abstract: Embodiments of the invention provide a method and system for providing a regeneration stage in a water treatment system. The method can include entering a first air bleed state to allow pressurized, deoxygenated air to exit the water treatment system, entering a second air bleed state to equalize a first air pressure of remaining deoxygenated air inside the water treatment system with a second air pressure outside the water treatment system, entering a backwash state to expel remaining deoxygenated air and particulates from inside the water treatment system, and entering an air draw state to allow oxygenated air to enter the water treatment system.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: November 10, 2015
    Assignee: PENTAIR RESIDENTIAL FILTRATION, LLC
    Inventors: Andrew Tischendorf, Michael P. Lindfors, Kyle Paull