Patents by Inventor Serguei Laitinen

Serguei Laitinen 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 and elevator
    Patent number: 11554932
    Abstract: A method for controlling movement of an elevator car includes driving the car vertically to a landing; activating a park brake; and holding the car immovable with the park brake. The holding includes compressing a guide rail by compression members with a first compression force; opening a door for allowing loading and/or unloading the car; maintaining the door open for allowing loading and/or unloading the car while the car is held immovable; and starting closing movement of the door. After the starting closing movement of the door, relieving the brake for allowing the elevator car to start to move vertically.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: January 17, 2023
    Assignee: KONE CORPORATION
    Inventors: Antti Koskinen, Mikko Puranen, Serguei Laitinen
  • METHOD AND ELEVATOR
    Publication number: 20200002122
    Abstract: A method for controlling movement of an elevator car includes driving the car vertically to a landing; activating a park brake; and holding the car immovable with the park brake. The holding includes compressing a guide rail by compression members with a first compression force; opening a door for allowing loading and/or unloading the car; maintaining the door open for allowing loading and/or unloading the car while the car is held immovable; and starting closing movement of the door. After the starting closing movement of the door, relieving the brake for allowing the elevator car to start to move vertically.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Applicant: KONE Corporation
    Inventors: Antti Koskinen, Mikko Puranen, Serguei Laitinen