Air doors

Patents Grantslast 30 patents

  • Information Patent Grant

    Latch assembly for a mine door and a mine door having such an assembly

    • Patent number 11,920,390
    • Issue date Mar 5, 2024
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Sealing system

    • Patent number 11,293,285
    • Issue date Apr 5, 2022
    • The Secretary of State for Defence
    • Duncan Godfrey Mervyn Thompson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine ventilation door with wings and slidable or pocket personnel door

    • Patent number 10,538,956
    • Issue date Jan 21, 2020
    • American Mine Door Co.
    • Daniel S. Zenisek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Mine door

    • Patent number 10,316,663
    • Issue date Jun 11, 2019
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Articulated mine door opening mechanism

    • Patent number 10,184,286
    • Issue date Jan 22, 2019
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Mine stopping panel with end caps and louver connections

    • Patent number 10,151,203
    • Issue date Dec 11, 2018
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Ventilated mine roof support

    • Patent number 9,611,738
    • Issue date Apr 4, 2017
    • Burrell Mining Products, Inc.
    • Michael T. Shook
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Inflatable air barriers

    • Patent number 9,562,432
    • Issue date Feb 7, 2017
    • Rite-Hite Holding Corporation
    • Frank Heim
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine ventilation door with wings and slidable or pocket personnel door

    • Patent number 9,476,301
    • Issue date Oct 25, 2016
    • American Mine Door Co.
    • Daniel S. Zenisek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Method of opening a mine door leaf

    • Patent number 9,341,061
    • Issue date May 17, 2016
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Robust mine ventilation door with single actuation system

    • Patent number 9,181,802
    • Issue date Nov 10, 2015
    • American Mine Door Co.
    • Daniel S. Zenisek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Control system for mine ventilation door

    • Patent number 8,884,760
    • Issue date Nov 11, 2014
    • American Mine Door Co.
    • Daniel S. Zenisek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Articulated mine door opening mechanism

    • Patent number 8,800,204
    • Issue date Aug 12, 2014
    • Kennedy Metal Products & Buildings, Inc.
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hydraulically powered door and systems for operating same in low-te...

    • Patent number 7,665,930
    • Issue date Feb 23, 2010
    • Kennedy Metal Products & Buildings, Inc.
    • William R. Kennedy
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Mine stopping and braces therefor

    • Patent number 6,846,132
    • Issue date Jan 25, 2005
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine stopping

    • Patent number 6,457,906
    • Issue date Oct 1, 2002
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine door power drive system

    • Patent number 6,425,820
    • Issue date Jul 30, 2002
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Balanced ventilation doors

    • Patent number 6,361,430
    • Issue date Mar 26, 2002
    • Wayne William Kitching
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine stopping having a swinging door

    • Patent number 6,164,871
    • Issue date Dec 26, 2000
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Door system for a mine stopping

    • Patent number 6,032,986
    • Issue date Mar 7, 2000
    • Jack Kennedy Metal Products and Buildings
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Underground mine personnel doors

    • Patent number 5,956,902
    • Issue date Sep 28, 1999
    • Larry P. Cosby
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Power mine door system

    • Patent number 5,240,349
    • Issue date Aug 31, 1993
    • Jack Kennedy Metal Products and Buildings, Inc.
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Power mine door system

    • Patent number 5,222,838
    • Issue date Jun 29, 1993
    • Jack Kennedy Metal Products and Buildings
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Mine door system

    • Patent number 4,911,577
    • Issue date Mar 27, 1990
    • Jack Kennedy Metal Products, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine ventilation door

    • Patent number 4,517,767
    • Issue date May 21, 1985
    • Frederick J. Dewson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3906670

    • Patent number 3,906,670
    • Issue date Sep 23, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3747503

    • Patent number 3,747,503
    • Issue date Jul 24, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3206187

    • Patent number 3,206,187
    • Issue date Sep 14, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2968507

    • Patent number 2,968,507
    • Issue date Jan 17, 1961
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2738179

    • Patent number 2,738,179
    • Issue date Mar 13, 1956
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    SEALING SYSTEM

    • Publication number 20200208520
    • Publication date Jul 2, 2020
    • The Secretary of State for Defence
    • DUNCAN GODFREY MERVYN THOMPSON
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ARTICULATED MINE DOOR OPENING MECHANISM

    • Publication number 20170130506
    • Publication date May 11, 2017
    • Jack Kennedy Metal Products & Buildings, Inc.
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MINE DOOR

    • Publication number 20170107817
    • Publication date Apr 20, 2017
    • Jack Kennedy Metal Products & Buildings, Inc.
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MINE STOPPING PANEL WITH END CAPS AND LOUVER CONNECTIONS

    • Publication number 20160281503
    • Publication date Sep 29, 2016
    • Jack Kennedy Metal Products & Buildings, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METHOD OF OPENING A MINE DOOR LEAF

    • Publication number 20140311042
    • Publication date Oct 23, 2014
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MINE AIRLOCK SYSTEM AND METHOD

    • Publication number 20140273791
    • Publication date Sep 18, 2014
    • Jeffrey L. Justice
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    INFLATABLE AIR BARRIERS

    • Publication number 20140075849
    • Publication date Mar 20, 2014
    • Frank Heim
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CONTROL SYSTEM FOR MINE VENTILATION DOOR

    • Publication number 20140022077
    • Publication date Jan 23, 2014
    • AMERICAN MINE DOOR CO.
    • Daniel S. Zenisek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MINE VENTILATION DOOR WITH WINGS AND SLIDABLE OR POCKET PERSONNEL DOOR

    • Publication number 20140024304
    • Publication date Jan 23, 2014
    • AMERICAN MINE DOOR CO.
    • Daniel S. Zenisek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ROBUST MINE VENTILATION DOOR WITH SINGLE ACTUATION SYSTEM

    • Publication number 20140020296
    • Publication date Jan 23, 2014
    • AMERICAN MINE DOOR CO.
    • Daniel S. Zenisek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SYSTEM AND APPARATUS FOR CONNECTING A GAS SOURCE TO A THERMAL OXIDISER

    • Publication number 20130340872
    • Publication date Dec 26, 2013
    • CORKY'S MANAGEMENT SERVICES PTY LTD
    • David John Cork
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ARTICULATED MINE DOOR OPENING MECHANISM

    • Publication number 20110203182
    • Publication date Aug 25, 2011
    • KENNEDY METAL PRODUCTS & BUILDINGS, INC.
    • William R. Kennedy
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    HYDRAULICALLY POWERED DOOR AND SYSTEMS FOR OPERATING SAME IN LOW-TE...

    • Publication number 20080253841
    • Publication date Oct 16, 2008
    • KENNEDY METAL PRODUCTS & BUILDINGS, INC.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Fire resistant mine door sealing system

    • Publication number 20080092475
    • Publication date Apr 24, 2008
    • J.H. Fenner & Co. Ltd
    • Geoffrey Normanton
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Mine stopping and braces therefor

    • Publication number 20030147706
    • Publication date Aug 7, 2003
    • Jack Kennedy Metal Products & Buildings, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mine stopping

    • Publication number 20030082010
    • Publication date May 1, 2003
    • Jack Kennedy Metal Products & Buildings, Inc.
    • William R. Kennedy
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Balanced ventilation doors

    • Publication number 20010007814
    • Publication date Jul 12, 2001
    • Wayne William Kitching
    • E21 - EARTH DRILLING MINING