operated by friction wheels

Patents Grantslast 30 patents

  • Information Patent Grant

    Actuatable sliding panel assembly; retrofit kit and method for retr...

    • Patent number 11,053,726
    • Issue date Jul 6, 2021
    • Todd A. Hohwart
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    System for automating a sliding panel louver and method of retrofit...

    • Patent number 10,941,609
    • Issue date Mar 9, 2021
    • Amir Noy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Powered sliding door operator

    • Patent number 10,829,977
    • Issue date Nov 10, 2020
    • Pella Corporation
    • Todd Bernhagen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Actuatable sliding panel assembly; retrofit kit and method for retr...

    • Patent number 10,676,978
    • Issue date Jun 9, 2020
    • Todd A. Hohwart
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Wall partition movement systems and methods

    • Patent number 10,196,815
    • Issue date Feb 5, 2019
    • Advanced Equipment Corporation
    • Scott Dickson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Automatic door opening and closing device

    • Patent number 10,081,977
    • Issue date Sep 25, 2018
    • Emery Shelley
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    System and device for opening and closing sliding doors

    • Patent number 9,725,941
    • Issue date Aug 8, 2017
    • Ronald E. Van Tassell
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Wall partition movement systems and methods

    • Patent number 9,359,804
    • Issue date Jun 7, 2016
    • Advanced Equipment Corporation
    • Scott Dickson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Coupling mechanism for sliding doors

    • Patent number 8,745,925
    • Issue date Jun 10, 2014
    • Hardoor Top Design & Technology Ltd
    • Amos Halfon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Ceiling track system for guiding wall elements

    • Patent number 8,584,317
    • Issue date Nov 19, 2013
    • DORMA GmbH + Co. KG
    • Arne Liebscher
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Gate operator

    • Patent number 7,021,005
    • Issue date Apr 4, 2006
    • John C. Curry
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door system

    • Patent number 6,073,394
    • Issue date Jun 13, 2000
    • Kaba Gallenschutz GmbH
    • Albert Uhl
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door drive

    • Patent number 5,852,897
    • Issue date Dec 29, 1998
    • Inventio AG
    • Andreas Sukale
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Self-closing fire door

    • Patent number 5,542,460
    • Issue date Aug 6, 1996
    • McKeon Rolling Steel Door Company, Inc.
    • James McKeon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door driving mechanism

    • Patent number 5,448,952
    • Issue date Sep 12, 1995
    • Gin-Shan Hung
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Self-closing fire door

    • Patent number 5,355,927
    • Issue date Oct 18, 1994
    • McKeon Rolling Steel Door Company, Inc.
    • James McKeon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Automatic door assembly

    • Patent number 5,170,585
    • Issue date Dec 15, 1992
    • Ching-Sun Wen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Closure element translation mechanisms

    • Patent number 4,909,093
    • Issue date Mar 20, 1990
    • Arcware Doors and Automatics Limited
    • David A. J. Mudford
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Security enclosure and gate system

    • Patent number 4,858,383
    • Issue date Aug 22, 1989
    • Albert R. Kendig
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Motor-operated sliding door assembly

    • Patent number 4,754,572
    • Issue date Jul 5, 1988
    • M. Bilt Enterprises, Inc.
    • Michael M. Bilt
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Motor-operated sliding door assembly

    • Patent number 4,672,773
    • Issue date Jun 16, 1987
    • Michael M. Bilt
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Automatic door opening and shutting device

    • Patent number 4,065,878
    • Issue date Jan 3, 1978
    • Sachio Tsugane
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door operator

    • Patent number 3,981,203
    • Issue date Sep 21, 1976
    • The Stanley Works
    • Gardner R. Williams
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3606699

    • Patent number 3,606,699
    • Issue date Sep 21, 1971
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3043584

    • Patent number 3,043,584
    • Issue date Jul 10, 1962
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2346388

    • Patent number 2,346,388
    • Issue date Apr 11, 1944
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    1326995

    • Patent number 1,326,995
    • Issue date Jan 6, 1920
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents