Patents by Inventor Evald Lepp

Evald Lepp 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).

  • Three-dimensional printing of free-radical polymerizable composites with continuous fiber reinforcement for building components and buildings
    Patent number: 11904528
    Abstract: A 3D printing apparatus can include a base composite material channel configured to pass a base composite material therethrough, a fiber strand channel configured to pass a fiber strand therethrough, and a fiber feeding component configured to feed the fiber strand through the fiber channel. The fiber strand can be separate from the base composite material before entering the 3D printing apparatus, and the fiber feeding component can facilitate combining of the fiber strand with the base composite material to form a layer of a 3D printed building component with the fiber strand within the base composite material. An impregnation material channel may be included to pass an impregnation liquid or material to impregnate the fiber strand while the fiber strand is within the 3D printing apparatus.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: February 20, 2024
    Assignee: Mighty Buildings, Inc.
    Inventors: Vasily Korshikov, Anna Ivanova, Egor Yakovlev, Maxim Bobryshev, Vasiliy Chekhotsiy, Sergei Naumov, Alexey Dubov, Dmitry Starodubtsev, Evald Lepp, Stanislav Gudkov
  • THREE-DIMENSIONAL PRINTING OF FREE-RADICAL POLYMERIZABLE COMPOSITES WITH CONTINUOUS FIBER REINFORCEMENT FOR BUILDING COMPONENTS AND BUILDINGS
    Publication number: 20220266516
    Abstract: A 3D printing apparatus can include a base composite material channel configured to pass a base composite material therethrough, a fiber strand channel configured to pass a fiber strand therethrough, and a fiber feeding component configured to feed the fiber strand through the fiber channel. The fiber strand can be separate from the base composite material before entering the 3D printing apparatus, and the fiber feeding component can facilitate combining of the fiber strand with the base composite material to form a layer of a 3D printed building component with the fiber strand within the base composite material. An impregnation material channel may be included to pass an impregnation liquid or material to impregnate the fiber strand while the fiber strand is within the 3D printing apparatus.
    Type: Application
    Filed: February 23, 2021
    Publication date: August 25, 2022
    Inventors: Vasily Korshikov, Anna Ivanova, Egor Yakovlev, Maxim Bobryshev, Vasiliy Chekhotsiy, Sergei Naumov, Alexey Dubov, Dmitry Starodubtsev, Evald Lepp, Stanislav Gudkov