Patents by Inventor Dirk Trottnow

Dirk Trottnow 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).

  • Apparatus for attaching aerodynamically functional films and use thereof
    Patent number: 12263939
    Abstract: An apparatus is for attaching an aerodynamically functional film to a surface of a body around which flow passes. The apparatus includes: a self-adhesive, redetachable positioning film having positioning aids for the exact positioning of the positioning film on the surface of the body around which flow passes and having at least one application area for the aerodynamically functional film that is to be applied.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: April 1, 2025
    Assignee: LUFTHANSA TECHNIK AG
    Inventors: Oliver Oeser, Dirk Trottnow, Andreas Flanschger, Kai-Christoph Pfingsten
  • FILM FOR APPLICATION TO PRESSURIZED BODIES AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20240286307
    Abstract: The invention relates to a film (1) for application to pressurized bodies (20) and to a method for the production thereof. The film (1) according to the invention is distinguished by a slotted perforation (10) consisting of slots (11) in a planar arrangement and also without release of material. In order to produce such a slotted perforation (10), a perforation roller cutter (40) inserted into a cutting plotter (30) can be guided linearly over and into an unperforated film.
    Type: Application
    Filed: September 9, 2022
    Publication date: August 29, 2024
    Inventors: Dirk TROTTNOW, Marcin GIERSZEWSKI
  • CONTAMINATION PROTECTION FOR RIBLET FILMS
    Publication number: 20230024245
    Abstract: A contamination protection is for edges of a riblet film, which is adhesively bonded to a surface. The riblet film has riblets formed on an upper side of a film layer, and an adhesive layer at a lower side of the film layer. The contamination protection has: an edge protection. The edge protection is formed directly on the riblet film that is adhesively bonded to the surface in such a manner that the edge protection covers the adhesive layer of the riblet film, but does not protrude over the upper side of the riblet film.
    Type: Application
    Filed: December 16, 2020
    Publication date: January 26, 2023
    Inventors: Oliver Oeser, Dirk Trottnow
  • APPARATUS FOR ATTACHING AERODYNAMICALLY FUNCTIONAL FILMS AND USE THEREOF
    Publication number: 20230010729
    Abstract: An apparatus is for attaching an aerodynamically functional film to a surface of a body around which flow passes. The apparatus includes: a self-adhesive, redetachable positioning film having positioning aids for the exact positioning of the positioning film on the surface of the body around which flow passes and having at least one application area for the aerodynamically functional film that is to be applied.
    Type: Application
    Filed: November 27, 2020
    Publication date: January 12, 2023
    Inventors: Oliver Oeser, Dirk Trottnow, Andreas Flanschger, Kai-Christoph Pfingsten