Patents by Inventor Horst ZIPFEL

Horst ZIPFEL 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).

  • FIRE PROTECTION ELEMENT FOR SEALING THROUGH-OPENINGS IN CONSTRUCTION ELEMENTS
    Publication number: 20200330804
    Abstract: A strip-shaped fire-protection element, in particular for a line fed through a through-opening of a construction element includes a flat inner layer, extending in a longitudinal direction and having an intumescent material; a reinforcement layer of a fiber composite material, which reinforcement material is applied to at least one first flat side of the inner layer and extends in the longitudinal direction of the fire protection element, wherein the reinforcement layer covers the inner layer at least partially in a width direction.
    Type: Application
    Filed: June 12, 2017
    Publication date: October 22, 2020
    Applicant: Hilti Aktiengesellschaft
    Inventors: Mario PAETOW, Herbert MUENZENBERGER, Rudolf SEMLER, Horst ZIPFEL