Spring and gear

Patents Grantslast 30 patents

  • Information Patent Grant

    Door closer with self-powered control unit

    • Patent number 8,547,046
    • Issue date Oct 1, 2013
    • Yale Security Inc.
    • Charles E. Burris
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Retracting mechanism and fixing structure

    • Patent number 8,186,010
    • Issue date May 29, 2012
    • Nifco Inc.
    • Katsuyasu Tomiji
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Withdrawing mechanism

    • Patent number 8,001,654
    • Issue date Aug 23, 2011
    • NIFCO Inc.
    • Kazuyuki Tomioka
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Withdrawing mechanism

    • Patent number 7,945,993
    • Issue date May 24, 2011
    • NIFCO Inc.
    • Kazuyuki Tomioka
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Drive device for opening or closing a door or similar

    • Patent number 7,815,023
    • Issue date Oct 19, 2010
    • DORMA GmbH + Co. KG
    • Thomas Salutzki
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Withdrawing mechanism

    • Patent number 7,743,464
    • Issue date Jun 29, 2010
    • NIFCO Inc.
    • Kazuyuki Tomioka
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Device for slowing the movement of a drawer or similar movable memb...

    • Patent number 7,364,023
    • Issue date Apr 29, 2008
    • Antonino Cultraro
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Electromechanical swing leaf operator

    • Patent number 7,051,403
    • Issue date May 30, 2006
    • DORMA GmbH + Co. KG
    • Jürgen Homberg
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Overhead door closer with slide arm assembly

    • Patent number 7,024,725
    • Issue date Apr 11, 2006
    • DORMA GmbH + Co. KG
    • Jürgen Homberg
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Magnetic hinge apparatus

    • Patent number 7,016,492
    • Issue date Mar 21, 2006
    • Benq Corporation
    • Long-Jyh Pan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Door closer

    • Patent number 7,007,342
    • Issue date Mar 7, 2006
    • Tan-Cheng Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Magnetic type floor hinge

    • Patent number 6,823,561
    • Issue date Nov 30, 2004
    • Kwangju Institute of Science and Technology
    • Kyihwan Park
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Handicapped train-station gate

    • Patent number 6,681,525
    • Issue date Jan 27, 2004
    • David Edmond Dudley
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer and method of producing a door closer

    • Patent number 6,618,899
    • Issue date Sep 16, 2003
    • DORMA GmbH + Co. KG
    • Lothar Ginzel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 6,510,586
    • Issue date Jan 28, 2003
    • DORMA GmbH + Co. KG
    • Lothar Ginzel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door operator and process for operation of a door operator

    • Patent number 6,266,847
    • Issue date Jul 31, 2001
    • GEZE GmbH
    • Peter Krumhauer
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door drive for a pivot-hung door

    • Patent number 6,262,548
    • Issue date Jul 17, 2001
    • DORMA GmbH + Co. KG
    • Jan Scholten
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer unit

    • Patent number 6,154,924
    • Issue date Dec 5, 2000
    • Seng Yoon Woo
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Door closer to generate a sudden change in the transmission ratio d...

    • Patent number 6,151,753
    • Issue date Nov 28, 2000
    • Dorma GmbH + Co. KG
    • Thomas Salutzki
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Non-rotating pinion cap

    • Patent number 6,047,440
    • Issue date Apr 11, 2000
    • Schlage Lock Company
    • James E. Jensen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 5,943,736
    • Issue date Aug 31, 1999
    • Abloy Oy
    • Vesa Karkkainen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 5,802,670
    • Issue date Sep 8, 1998
    • Dorma GmbH + Co. KG
    • Volker Bienek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door damping system

    • Patent number 5,553,353
    • Issue date Sep 10, 1996
    • Wu-shoun Lin
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Method for making a hydraulic door closer having a one-piece molded...

    • Patent number 5,535,514
    • Issue date Jul 16, 1996
    • Schlage Lock Company
    • Craig L. Lucas
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Speed regulating valve for fluid filled door closers

    • Patent number 5,502,874
    • Issue date Apr 2, 1996
    • Schlage Lock Company
    • Craig L. Lucas
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 5,414,894
    • Issue date May 16, 1995
    • Corbin Russwin, Inc.
    • Zakhary Fayngersh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 5,343,593
    • Issue date Sep 6, 1994
    • Emhart Inc.
    • Zakhary Fayngersh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Overhead concealed door closer, mechanically, hydraulically operated

    • Patent number 5,272,787
    • Issue date Dec 28, 1993
    • Mike Salena
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Automatic door closing device

    • Patent number 5,265,306
    • Issue date Nov 30, 1993
    • King-Sung Yu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Fluid door closer with means to permit entrapped gases to move

    • Patent number 5,259,090
    • Issue date Nov 9, 1993
    • Emhart Inc.
    • Zakhary Fayngersh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    DOOR CLOSER WITH SELF-POWERED CONTROL UNIT

    • Publication number 20110252598
    • Publication date Oct 20, 2011
    • Yale Securlty Inc.
    • Charles E. Burris
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Withdrawing mechanism

    • Publication number 20100223754
    • Publication date Sep 9, 2010
    • NIFCO INC.
    • Kazuyuki Tomioka
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    RETRACTING MECHANISM AND FIXING STRUCTURE

    • Publication number 20100031468
    • Publication date Feb 11, 2010
    • NIFCO INC.
    • Katsuyasu Tomiji
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Withdrawing mechanism

    • Publication number 20100005621
    • Publication date Jan 14, 2010
    • NIFCO INC.
    • Kazuyuki Tomioka
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Withdrawing mechanism

    • Publication number 20080263819
    • Publication date Oct 30, 2008
    • NIFCO INC.
    • Kazuyuki Tomioka
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Device for slowing the movement of a drawer or similar movable meme...

    • Publication number 20070158152
    • Publication date Jul 12, 2007
    • Antonino Cultraro
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Drive device for opening or closing a door or similar

    • Publication number 20060070467
    • Publication date Apr 6, 2006
    • Thomas Salutzki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Door closer

    • Publication number 20050246860
    • Publication date Nov 10, 2005
    • Tan-Cheng Huang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Sliding rail door-closing device

    • Publication number 20040074145
    • Publication date Apr 22, 2004
    • Jurgen Homberg
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Electromechanical hinged wing drive

    • Publication number 20040064917
    • Publication date Apr 8, 2004
    • Jurgen Homberg
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Magnetic hinge apparatus

    • Publication number 20030179880
    • Publication date Sep 25, 2003
    • Long-Jyh Pan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Magnetic type floor hinge

    • Publication number 20030135953
    • Publication date Jul 24, 2003
    • KWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    • Kyihwan Park
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES