Patents by Inventor Andre Walliser

Andre Walliser 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).

  • Concrete Spraying Method Using Heat Recovery
    Publication number: 20120312891
    Abstract: Method for the application of sprayed concrete by using a 3-way control nozzle as mixing device for ready mix concrete, liquid admixtures and compressed air, characterized in, that the liquid admixtures and/or the conveying air are heated prior and/or during to the spraying.
    Type: Application
    Filed: January 14, 2011
    Publication date: December 13, 2012
    Inventors: Dieter Mai, Christian Krebs, Andre Walliser
  • Composition
    Publication number: 20070006779
    Abstract: A composition for improving the properties of a cementitious composition comprises a fluid blend of at least one polyalkylene oxide, at least one aqueous paraffin emulsion, at least one siloxane and, if necessary for fluidity, water.
    Type: Application
    Filed: March 5, 2004
    Publication date: January 11, 2007
    Inventors: Davide Zampini, Martin Weibel, Andre Walliser, Max Oppliger