Patents by Inventor Mika Lehtonen

Mika Lehtonen 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: 10723593
    Abstract: The disclosure relates to a method for detecting an impact on an elevator door. The method is characterized in that it comprises detecting a break in an elevator door safety circuit; comparing characteristics of the break to a set of parameters; and performing an action when the characteristics of the break fulfil the conditions determined by the set of parameters. The disclosure further relates to an apparatus, to an elevator safety system and to an elevator.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: July 28, 2020
    Assignee: KONE CORPORATION
    Inventors: Sami Saarela, Antti Raiko, Mika Lehtonen
  • Publication number: 20180086605
    Abstract: The disclosure relates to a method for detecting an impact on an elevator door. The method is characterized in that it comprises detecting a break in an elevator door safety circuit; comparing characteristics of the break to a set of parameters; and performing an action when the characteristics of the break fulfil the conditions determined by the set of parameters. The disclosure further relates to an apparatus, to an elevator safety system and to an elevator.
    Type: Application
    Filed: June 30, 2017
    Publication date: March 29, 2018
    Applicant: KONE Corporation
    Inventors: Sami Saarela, Antti Raiko, Mika Lehtonen
  • Patent number: 5904014
    Abstract: The trim includes a fireproof profiled element (11) of incombustible material, preferably steel, with an L-shaped cross section having a first limb (11a) fixed to a jamb (1, 2) or transom (3) of the door frame and a second limb (11b) located adjacent the corresponding side or face (4-6) of the door opening. In front of the fireproof element (11) is a profiled cover element (14) having a channel-shaped cross section which has a first limb (14a) which bears against the jamb (1, 2) or transom (3) of the door frame and a second limb (14b) force-fitted between the second limb (11b) of the fireproof element (11) and the associated face (4-6) of the door opening. Fixing devices (15) clamp the second limbs (14b) of the cover elements (14) against the associated faces (4-6) of the door opening.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: May 18, 1999
    Assignee: Kone Oy
    Inventors: Rodolfo Ripamonti, Gianluca Novellati, Jori Hagg, Mika Lehtonen, Giuseppe Pugliese, Pierpaolo Piccin