Patents by Inventor Evgeny Viktorovich Tsivilev

Evgeny Viktorovich Tsivilev 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).

  • Patent number: 9891022
    Abstract: The invention relates to an optical-instrument making industry, namely, to optical sights used for small arms shooting. The technical result, which the claimed invention is intended to achieve, is a simpler design while maintaining functional capabilities and, correspondingly, increased reliability and a decreased cost of the product overall.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: February 13, 2018
    Assignee: RusOpticalSystem LTD
    Inventors: Pavel Andreevich Blagov, Evgeny Viktorovich Tsivilev
  • Publication number: 20160138889
    Abstract: The invention relates to an optical-instrument making industry, namely, to optical sights used for small arms shooting. The technical result, which the claimed invention is intended to achieve, is a simpler design while maintaining functional capabilities and, correspondingly, increased reliability and a decreased cost of the product overall.
    Type: Application
    Filed: April 1, 2014
    Publication date: May 19, 2016
    Inventors: Pavel Andreevich BLAGOV, Evgeny Viktorovich Tsivilev
  • Patent number: 9030735
    Abstract: An optical sight ensures a more accurate aim at feebly discernible targets in the twilight and in dull weather. The sight includes an objective, a reticule, an erecting system consisting of a first and a second positive component, each of which is cemented of two lenses, and an eyepiece. The sight also includes a beam-splitting cube, the beam-splitting face made as a diagonal face, three mirrors and a third positive component cemented of two lenses, a first plane mirror parallel to the beam-splitting face of the cube on the same axis with the third positive component, a second plane mirror perpendicular to the first mirror in front of a focal plane of the eyepiece, and a third mirror tilted to the optical axis and faced with its reflective surface toward the eyepiece arranged between the eyepiece focal plane and the second component of the erecting system.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: May 12, 2015
    Assignee: RusOpticalSystem, Ltd.
    Inventors: Pavel Andreevich Blagov, Evgeny Viktorovich Tsivilev
  • Publication number: 20130308182
    Abstract: The invention relates to an optical instrument-making industry, namely, to optical sights used for small arms shooting. The technical result of the sight according to the invention is to ensure a more accurate aiming at feebly discernable targets in the twilight and in dull weather.
    Type: Application
    Filed: September 23, 2011
    Publication date: November 21, 2013
    Applicant: RusOpticalSystem. Ltd.
    Inventors: Pavel Andreevich Blagov, Evgeny Viktorovich Tsivilev