Patents by Inventor Isabel SIEGRIST

Isabel SIEGRIST 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 waterproofing of tunnel structures
    Patent number: 11965421
    Abstract: A method for waterproofing a substrate includes steps of: attaching a separation sheet to the surface of the substrate; and attaching a waterproofing membrane sheet to a surface of the separation sheet by a plurality of adhesive elements having a first and second major adhesive surface, wherein the separation sheet is a non-woven fabric sheet, or an embossed polyolefin membrane sheet and each adhesive element includes an adhesive layer composed of a pressure sensitive adhesive.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: April 23, 2024
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Otmar Pally, Isabel Siegrist
  • METHOD FOR WATERPROOFING OF TUNNEL STRUCTURES
    Publication number: 20220170369
    Abstract: A method for waterproofing a substrate includes steps of: attaching a separation sheet to the surface of the substrate; and attaching a waterproofing membrane sheet to a surface of the separation sheet by a plurality of adhesive elements having a first and second major adhesive surface, wherein the separation sheet is a non-woven fabric sheet, or an embossed polyolefin membrane sheet and each adhesive element includes an adhesive layer composed of a pressure sensitive adhesive.
    Type: Application
    Filed: December 2, 2021
    Publication date: June 2, 2022
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Otmar PALLY, Isabel SIEGRIST