Patents by Inventor Sergei Likhachev

Sergei Likhachev 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).

  • Compact Operating Unit for a Safe Lock
    Publication number: 20170254120
    Abstract: A control unit 1 for the lock of a safe having a front housing part 4 and a rear h housing part 3. A controller 6 is integrated in the control unit 1 that, when a correct combination is entered in the keypad 5, moves a module through a motor 11 in the number of turns corresponding with this combination. The module has a transmission board 8 integrated in the housing 2 of the control unit 1 and a bolt 9 for actuating the safe's lock.
    Type: Application
    Filed: August 27, 2015
    Publication date: September 7, 2017
    Inventors: Eugeniusz Pietrow, Sergei Likhachev