TREA

without manually-operable devices for completing locking or unlocking of doors

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Industry

  • CPC
  • B66B13/18
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66BELEVATORS ESCALATORS OR MOVING WALKWAYS B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings

Current Industry

B66B13/18without manually-operable devices for completing locking or unlocking of doors
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator car door detection apparatus
    • Patent number 12,234,124
    • Issue date Feb 25, 2025
    • FUJITEC CO., LTD.
    • Hiroshi Kashiwakura
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator car door interlock
    • Patent number 11,795,033
    • Issue date Oct 24, 2023
    • Otis Elevator Company
    • Richard E. Kulak
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator car door control system
    • Patent number 11,772,937
    • Issue date Oct 3, 2023
    • G.A.L. Manufacturing Company, LLC
    • Charles MacKenzie-Smith
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator safety mechanism
    • Patent number 11,524,877
    • Issue date Dec 13, 2022
    • Robert Webster
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Automated elevator safety chain diagnosis
    • Patent number 11,390,487
    • Issue date Jul 19, 2022
    • Otis Elevator Company
    • Michael J. Tracey
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Device for unlocking a landing door
    • Patent number 11,390,491
    • Issue date Jul 19, 2022
    • Inventio AG
    • Jules Christen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door interlock
    • Patent number 11,345,573
    • Issue date May 31, 2022
    • FUJITEC CO., LTD.
    • Hiroshi Kashiwakura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blocking assembly, elevator system
    • Patent number 11,299,373
    • Issue date Apr 12, 2022
    • Wittur Holding GmbH
    • Laura Bersotti
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator car door coupling systems
    • Patent number 11,286,134
    • Issue date Mar 29, 2022
    • Otis Elevator Company
    • Guillaume Montigny
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator car door interlock
    • Patent number 11,124,389
    • Issue date Sep 21, 2021
    • Otis Elevator Company
    • Richard E. Kulak
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Mechanical hoistway access control device
    • Patent number 10,889,465
    • Issue date Jan 12, 2021
    • Otis Elevator Company
    • Daisuke Meguro
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator car door interlock
    • Patent number 10,882,720
    • Issue date Jan 5, 2021
    • Otis Elevator Company
    • Richard E. Kulak
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Car door interlock with sill lock
    • Patent number 10,710,843
    • Issue date Jul 14, 2020
    • Otis Elevator Company
    • Richard E. Kulak
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hoistway door locking system and method of controlling access to an...
    • Patent number 10,221,044
    • Issue date Mar 5, 2019
    • Otis Elevator Company
    • Nicolas Fonteneau
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator car door locking apparatus
    • Patent number 9,656,835
    • Issue date May 23, 2017
    • Mitsubishi Electric Corporation
    • Masaya Kitazawa
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator car door interlock
    • Patent number 8,960,372
    • Issue date Feb 24, 2015
    • ThyssenKrupp Elevator Corporation
    • Ernest Heath
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Electromechanical door locks for lifts
    • Patent number 8,424,934
    • Issue date Apr 23, 2013
    • Tim Askins
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Electromagnetically operated elevator door lock
    • Patent number 7,823,699
    • Issue date Nov 2, 2010
    • Otis Elevator Company
    • Jacek F. Gieras
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Elevator door interlock
    • Patent number 7,549,516
    • Issue date Jun 23, 2009
    • Honeywell International Inc.
    • Gary W Eisenhower, Jr.
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Swinging elevator hatchway door interlock
    • Patent number 6,659,514
    • Issue date Dec 9, 2003
    • Thyssen Elevator Capital Corp.
    • Patrick M. Bass
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Adjustable door restrictor cable for an elevator car
    • Patent number 6,591,946
    • Issue date Jul 15, 2003
    • Inventio AG
    • Richard Lauch
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator interlocking mechanism
    • Patent number 6,062,345
    • Issue date May 16, 2000
    • Alimak AB
    • Mats Olofsson
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator door restrictor
    • Patent number 6,006,866
    • Issue date Dec 28, 1999
    • Advanced Microcontrols, Inc.
    • Gregory L. Horne
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Building elevator door restrictor
    • Patent number 5,918,705
    • Issue date Jul 6, 1999
    • Jeff Friend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator door restrictor
    • Patent number 5,896,953
    • Issue date Apr 27, 1999
    • Advanced Microcontrols, Inc.
    • Gregory L. Horne
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Car door locking system
    • Patent number 5,894,911
    • Issue date Apr 20, 1999
    • Otis Elevator Company
    • Ali Bozorgzadeh
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator hoistway door bolt lock
    • Patent number 5,669,465
    • Issue date Sep 23, 1997
    • Otis Elevator Company
    • Richard E. Kulak
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator door restrictor
    • Patent number 5,655,627
    • Issue date Aug 12, 1997
    • Advanced Microcontrols, Inc.
    • Gregory L. Horne
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator hoistway door bolt lock
    • Patent number 5,454,447
    • Issue date Oct 3, 1995
    • Otis Elevator Company
    • Richard E. Kulak
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Lock system for an automatic door
    • Patent number 4,935,677
    • Issue date Jun 19, 1990
    • Yoshida Kogyo K. K.
    • Yukio Yoshida
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents