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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic door closure for breakout sliding doors and patio doors

    • Patent number 8,065,779
    • Issue date Nov 29, 2011
    • Michael Kuchas
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Self-closing sliding door assembly

    • Patent number 7,686,405
    • Issue date Mar 30, 2010
    • True Manufacturing Co., Inc.
    • Steven L. Trulaske, Sr.
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Safety closing system for shaft door panel of an elevator installat...

    • Patent number 7,546,904
    • Issue date Jun 16, 2009
    • Inventio AG
    • Nijs Wernas
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Automatically-closing screen door and closing speed adjuster for th...

    • Patent number 7,025,106
    • Issue date Apr 11, 2006
    • John D. Donnelly
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Method of making a conductive downhole wire line system

    • Patent number 6,148,925
    • Issue date Nov 21, 2000
    • Boyd B. Moore
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for closing hatch doors of an elevator

    • Patent number 6,142,260
    • Issue date Nov 7, 2000
    • LG Industrial Systems Co. Ltd.
    • Young Sig Shin
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Apparatus for automatic closing of sliding doors

    • Patent number 6,065,184
    • Issue date May 23, 2000
    • Drury; Malcoln
    • Malcolm Drury
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Apparatus or kit for closing sliding closure

    • Patent number 5,850,672
    • Issue date Dec 22, 1998
    • Kenneth R. Dalton
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Convenient automatic closing system for doors

    • Patent number 5,579,607
    • Issue date Dec 3, 1996
    • Dennis G. Braid
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closure apparatus

    • Patent number 5,285,596
    • Issue date Feb 15, 1994
    • Kenneth M. Kinsey
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Sliding door closing device

    • Patent number 4,891,911
    • Issue date Jan 9, 1990
    • Victor J. L. Yung
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Sliding door closer

    • Patent number 4,884,369
    • Issue date Dec 5, 1989
    • Gerald F. Tatham
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Damper device for a door having dual-direction operating biasing sp...

    • Patent number 4,828,236
    • Issue date May 9, 1989
    • Nifco, Inc.
    • Yasuhiko Inoue
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Buoyant valve member closing device for doors

    • Patent number 4,665,584
    • Issue date May 19, 1987
    • Patrick Y. Williams
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Energy saver sliding door closer including a valved weight

    • Patent number 4,649,598
    • Issue date Mar 17, 1987
    • Kenneth M. Kinsey
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Automatic door closer kit

    • Patent number 4,357,732
    • Issue date Nov 9, 1982
    • David H. Hickman
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Closing attachment kit for sliding door and anti-friction support

    • Patent number 4,126,912
    • Issue date Nov 28, 1978
    • W. Grant Johnson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door and window closer

    • Patent number 4,003,102
    • Issue date Jan 18, 1977
    • Jones; Elmer E.
    • Nathaniel L. Hawks
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3680940

    • Patent number 3,680,940
    • Issue date Aug 1, 1972
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3334444

    • Patent number 3,334,444
    • Issue date Aug 8, 1967
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3328105

    • Patent number 3,328,105
    • Issue date Jun 27, 1967
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    3274733

    • Patent number 3,274,733
    • Issue date Sep 27, 1966
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2668693

    • Patent number 2,668,693
    • Issue date Feb 9, 1954
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2593403

    • Patent number 2,593,403
    • Issue date Apr 22, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2551032

    • Patent number 2,551,032
    • Issue date May 1, 1951
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2470283

    • Patent number 2,470,283
    • Issue date May 17, 1949
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2381054

    • Patent number 2,381,054
    • Issue date Aug 7, 1945
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2337716

    • Patent number 2,337,716
    • Issue date Dec 28, 1943
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2273690

    • Patent number 2,273,690
    • Issue date Feb 17, 1942
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    2235829

    • Patent number 2,235,829
    • Issue date Mar 25, 1941
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents