Patents by Inventor Evgeny Litovchenko

Evgeny Litovchenko 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).

  • METHOD OF DETECTION OF LOW-FREQUENCY AND ULTRASONIC ACOUSTIC SIGNALS WITHIN A PREDETERMINED TIME FRAME
    Publication number: 20140169135
    Abstract: A method for detecting an intrusion in a confined space is provided. The method includes the steps of detecting an ultrasonic acoustic signal with a Doppler shift and a low frequency acoustic signal, said signals being indicative of an intrusion, and generating an alarm if the ultrasonic acoustic signal with a Doppler shift and the low frequency acoustic signal were detected within an assigned timeframe.
    Type: Application
    Filed: July 23, 2012
    Publication date: June 19, 2014
    Applicant: GSN ELECTRONIC COMPANY LTD.
    Inventor: Evgeny Litovchenko
  • Lens
    Patent number: D738947
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: September 15, 2015
    Assignee: GSN Electronic Company Ltd.
    Inventor: Evgeny Litovchenko
  • Lens
    Patent number: D797833
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: September 19, 2017
    Assignee: GSN Electronic Company Ltd.
    Inventor: Evgeny Litovchenko