Side spring chamber

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic directional solenoid valve and door closer having a hydra...

    • Patent number 9,187,942
    • Issue date Nov 17, 2015
    • Dorma Deutschland GmbH
    • Thomas Wildförster
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer having a magnetic distribution valve

    • Patent number 9,045,926
    • Issue date Jun 2, 2015
    • Dorme GmbH + Co. KG
    • Thomas Salutzki
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer with free-swing function

    • Patent number 8,819,895
    • Issue date Sep 2, 2014
    • DORMA GmbH + Co. KG
    • Volker Bienek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer comprising device for preventing a spring-back

    • Patent number 8,806,715
    • Issue date Aug 19, 2014
    • DORMA GmbH + Co. KG
    • Volker Bienek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Dampened assisted-motion systems and methods

    • Patent number 8,317,277
    • Issue date Nov 27, 2012
    • Accuride International, Inc.
    • Thomas Sheng-Shyong Hu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Door closer

    • Patent number 7,921,511
    • Issue date Apr 12, 2011
    • Yale Security Inc.
    • Loring M. Johnson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 7,421,761
    • Issue date Sep 9, 2008
    • Loring M. Johnson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 7,356,878
    • Issue date Apr 15, 2008
    • Samuel Heath & Sons PLC
    • Keith Foster
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 6,886,217
    • Issue date May 3, 2005
    • Samuel Heath & Sons PLC
    • Keith Foster
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closers

    • Patent number 6,625,847
    • Issue date Sep 30, 2003
    • Samuel Heath & Sons PLC
    • Barrie Jones
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closer

    • Patent number 6,421,876
    • Issue date Jul 23, 2002
    • DORMA GmbH + Co. KG
    • Olaf Ginzel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Temperature compensating valve

    • Patent number 6,112,368
    • Issue date Sep 5, 2000
    • Ingersoll-Rand Architectural Hardware Group Limited
    • Nicholas George Luckett
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door closers and dampers primarily for door closers

    • Patent number 5,706,551
    • Issue date Jan 13, 1998
    • Samuel Heath & Sons PLC
    • Roger Henry Jeynes
    • 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

    Door closer with rack and pinion, spring, and spring mounting plate

    • Patent number 5,187,835
    • Issue date Feb 23, 1993
    • Dong Kwang Corporation
    • Sang U. Lee
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Temperature compensating hydraulic door closer

    • Patent number 4,148,111
    • Issue date Apr 10, 1979
    • Reading Door Closer Corp.
    • Sideny Lieberman
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Piston assembly for door closer

    • Patent number 4,019,220
    • Issue date Apr 26, 1977
    • Reading Door Closer Corporation
    • Sidney Lieberman
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3220046

    • Patent number 3,220,046
    • Issue date Nov 30, 1965
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3210797

    • Patent number 3,210,797
    • Issue date Oct 12, 1965
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3188683

    • Patent number 3,188,683
    • Issue date Jun 15, 1965
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3135009

    • Patent number 3,135,009
    • Issue date Jun 2, 1964
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3098259

    • Patent number 3,098,259
    • Issue date Jul 23, 1963
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3011208

    • Patent number 3,011,208
    • Issue date Dec 5, 1961
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2956302

    • Patent number 2,956,302
    • Issue date Oct 18, 1960
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2885721

    • Patent number 2,885,721
    • Issue date May 12, 1959
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2855623

    • Patent number 2,855,623
    • Issue date Oct 14, 1958
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2810571

    • Patent number 2,810,571
    • Issue date Oct 22, 1957
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2763888

    • Patent number 2,763,888
    • Issue date Sep 25, 1956
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2701383

    • Patent number 2,701,383
    • Issue date Feb 8, 1955
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    2586135

    • Patent number 2,586,135
    • Issue date Feb 19, 1952
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    Door Closer Comprising Cam Drive

    • Publication number 20130000074
    • Publication date Jan 3, 2013
    • Volker Bienek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    HYDRAULIC DIRECTIONAL SOLENOID VALVE AND DOOR CLOSER HAVING A HYDRA...

    • Publication number 20120279013
    • Publication date Nov 8, 2012
    • Dorma GmbH + Co. KG
    • Thomas Wildförster
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Door Closer Comprising Additional Closing Spring

    • Publication number 20120272475
    • Publication date Nov 1, 2012
    • Dorma GmbH + Co. KG
    • Volker Bienek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DOOR CLOSER COMPRISING DEVICE FOR PREVENTING A SPRING-BACK

    • Publication number 20120240351
    • Publication date Sep 27, 2012
    • Dorma GmbH + Co. KG
    • Volker Bienek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Door Closer Having a Magnetic Distribution Valve

    • Publication number 20120233810
    • Publication date Sep 20, 2012
    • Domma GmbH +Co.,KG
    • Thomas Salutzki
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Door Closer With Free-Swing Function

    • Publication number 20120233812
    • Publication date Sep 20, 2012
    • Dorma GmbH + Co. KG
    • Volker Bienek
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DOOR CLOSER

    • Publication number 20120233811
    • Publication date Sep 20, 2012
    • Dorma GmbH + Co. KG
    • Thomas Salutzki
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DAMPENED ASSISTED-MOTION SYSTEMS AND METHODS

    • Publication number 20100264794
    • Publication date Oct 21, 2010
    • ACCURIDE INTERNATIONAL, INC.
    • Thomas Sheng-Shyong Hu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DOOR CLOSER

    • Publication number 20090000058
    • Publication date Jan 1, 2009
    • YALE SECURITY INC.
    • Loring M. Johnson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DOOR CLOSER

    • Publication number 20070067950
    • Publication date Mar 29, 2007
    • Loring M. Johnson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DOOR CLOSER

    • Publication number 20060021189
    • Publication date Feb 2, 2006
    • Loring M. Johnson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Door closer

    • Publication number 20050273975
    • Publication date Dec 15, 2005
    • Samuel Heath & Sons PLC
    • Keith Foster
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Door closer

    • Publication number 20040111831
    • Publication date Jun 17, 2004
    • Keith Foster
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES