Patents by Inventor Sergej BERNIKOV

Sergej BERNIKOV 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).

  • Cutting ring fitting
    Patent number: 11629802
    Abstract: A cutting ring fitting for a thin-walled pipe, includes: a connecting body having a tapered cone; a cutting ring; a union nut which can be screwed onto the connecting body; and a reinforcing sleeve for insertion into the pipe, the reinforcing sleeve having an axial slot. A pipe includes such a cutting ring fitting, and a method mounts such a cutting ring fitting on a thin-walled pipe.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: April 18, 2023
    Assignee: Walter Stauffenberg GmbH & Co. KG
    Inventors: Ulrich Stefan Koenig, Alexander Aul, Sergej Bernikov
  • CUTTING RING FITTING
    Publication number: 20210239242
    Abstract: A cutting ring fitting for a thin-walled pipe, includes: a connecting body having a tapered cone; a cutting ring; a union nut which can be screwed onto the connecting body; and a reinforcing sleeve for insertion into the pipe, the reinforcing sleeve having an axial slot. A pipe includes such a cutting ring fitting, and a method mounts such a cutting ring fitting on a thin-walled pipe.
    Type: Application
    Filed: February 18, 2019
    Publication date: August 5, 2021
    Applicant: Walter Stauffenberg GmbH & Co. KG
    Inventors: Ulrich Stefan KOENIG, Alexander AUL, Sergej BERNIKOV