Patents by Inventor Friedrich Wolfgang Zwanziger

Friedrich Wolfgang Zwanziger 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).

  • PROCESS FOR IN-SITU CLEANING OF DRINKING WATER FILTRATION MEDIA
    Publication number: 20120040821
    Abstract: The present invention provides a process to clean water filtration media in a filtration bed. The process includes applying a granular cleaner to the water filtration media and applying an activator to the water filtration media. This causes a chemical reaction between the granular cleaner, activator and water filtration media resulting in the cleaning of the water filtration media. The residual granular cleaner and activator, along with suspended and dissolved contamination from the water filtration media, are removed by rinsing with water.
    Type: Application
    Filed: October 21, 2011
    Publication date: February 16, 2012
    Applicant: BLUE EARTH LABS, LLC
    Inventors: Ulrich Reimann-Philipp, Friedrich Wolfgang Zwanziger, Jeffrey Schulhoff
  • PROCESS FOR IN-SITU CLEANING OF DRINKING WATER FILTRATION MEDIA
    Publication number: 20110278230
    Abstract: The present invention provides a process to clean water filtration media in a filtration bed. The process includes applying a granular cleaner to the water filtration media and applying an activator to the water filtration media. This causes a chemical reaction between the granular cleaner, activator and water filtration media resulting in the cleaning of the water filtration media. The residual granular cleaner and activator, along with suspended and dissolved contamination from the water filtration media, are removed by rinsing with water.
    Type: Application
    Filed: July 25, 2011
    Publication date: November 17, 2011
    Applicant: Blue Earth Labs, LLC
    Inventors: Ulrich Reimann-Philipp, Friedrich Wolfgang Zwanziger, Jeffrey Schulhoff