Patents by Inventor Massimo Stefanoni

Massimo Stefanoni 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).

  • Patent number: 11697768
    Abstract: The present invention relates to the use of foaming additives in liquid, paste or powder form, to condition soil excavated with a tunnel boring machine. Said additives can be classified as readily biodegradable and are characterised by a lower ecotoxicological impact than commercial products.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: July 11, 2023
    Assignee: MAPEI SPA
    Inventors: Massimo Stefanoni, Marco Squinzi, Carlo Pistolesi, Enrico Dal Negro, Alessandro Boscaro
  • Publication number: 20210269718
    Abstract: The present invention relates to the use of foaming additives in liquid, paste or powder form, to condition soil excavated with a tunnel boring machine. Said additives can be classified as readily biodegradable and are characterised by a lower ecotoxicological impact than commercial products.
    Type: Application
    Filed: July 23, 2019
    Publication date: September 2, 2021
    Applicant: MAPEI SPA
    Inventors: Massimo Stefanoni, Marco Squinzi, Carlo Pistolesi, Enrico Dal Negro, Alessandro Boscaro
  • Patent number: 10941343
    Abstract: Disclosed is a liquid foaming additive for use in mechanised excavation by a tunnel boring machine, containing 5-40% by weight of one or more surfactants, 0.01-5% by weight of one or more biopolymers, and 55-94.99% by weight of water.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: March 9, 2021
    Assignee: MAPEI S.P.A.
    Inventors: Massimo Stefanoni, Carlo Pistolesi, Marco Squinzi, Enrico Dal Negro, Cristiano Maltese, Daniele Peila
  • Publication number: 20200270522
    Abstract: Disclosed is a liquid foaming additive for use in mechanised excavation by a tunnel boring machine, containing 5-40% by weight of one or more surfactants, 0.01-5% by weight of one or more biopolymers, and 55-94.99% by weight of water.
    Type: Application
    Filed: December 6, 2016
    Publication date: August 27, 2020
    Applicant: MAPEI S.P.A.
    Inventors: Massimo Stefanoni, Carlo Pistolesi, Marco Squinzi, Enrico Dal Negro, Cristiano Maltese, Daniele Peila