with means for balancing weight of blackboards or the like

Patents Grantslast 30 patents

  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 12,022,941
    • Issue date Jul 2, 2024
    • Ergotron, Inc.
    • Joel Hazzard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 11,672,334
    • Issue date Jun 13, 2023
    • Ergotron, Inc.
    • Joel Hazzard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 11,284,713
    • Issue date Mar 29, 2022
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 10,939,753
    • Issue date Mar 9, 2021
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 10,667,602
    • Issue date Jun 2, 2020
    • Ergotron, Inc.
    • Joel Hazzard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 10,172,450
    • Issue date Jan 8, 2019
    • Ergotron, Inc.
    • Joel Hazzard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Display and keyboard positioning apparatus, system, and method

    • Patent number 10,104,957
    • Issue date Oct 23, 2018
    • Ergotron, Inc.
    • Mustafa A. Ergun
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sliding wall mount for an easel

    • Patent number 9,907,401
    • Issue date Mar 6, 2018
    • Robert Allen Selwa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 9,820,566
    • Issue date Nov 21, 2017
    • Ergotron, Inc.
    • Joel Hazzard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Edge mount positioning apparatus, system, and method

    • Patent number 9,743,757
    • Issue date Aug 29, 2017
    • Ergotron, Inc.
    • Mustafa A. Ergun
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 9,717,329
    • Issue date Aug 1, 2017
    • Ergotron, Inc.
    • Joel Hazzard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 9,470,357
    • Issue date Oct 18, 2016
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hangable artist's easel and accessories

    • Patent number 9,439,511
    • Issue date Sep 13, 2016
    • Robert W. Hickman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Edge mount positioning apparatus, system, and method

    • Patent number 9,188,275
    • Issue date Nov 17, 2015
    • Ergotron, Inc.
    • Mustafa A. Ergun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 9,080,721
    • Issue date Jul 14, 2015
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 8,839,723
    • Issue date Sep 23, 2014
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Display positioning apparatus and method

    • Patent number 8,826,831
    • Issue date Sep 9, 2014
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Supporting arm for a projection apparatus and presentation apparatu...

    • Patent number 7,673,840
    • Issue date Mar 9, 2010
    • VS Vereinigte Spezialmoebelfabriken GmbH & Co. KG
    • Reinhard Weber
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Artist's easel

    • Patent number 7,380,766
    • Issue date Jun 3, 2008
    • Kathryn Thompson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electrical drive apparatus for a vertically displaceable blackboard

    • Patent number 4,353,526
    • Issue date Oct 12, 1982
    • Ulrich Weidmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Guide system for a counterweight

    • Patent number 4,304,442
    • Issue date Dec 8, 1981
    • Ulrich Weidmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3402483

    • Patent number 3,402,483
    • Issue date Sep 24, 1968
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3269035

    • Patent number 3,269,035
    • Issue date Aug 30, 1966
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3037301

    • Patent number 3,037,301
    • Issue date Jun 5, 1962
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2524898

    • Patent number 2,524,898
    • Issue date Oct 10, 1950
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2456103

    • Patent number 2,456,103
    • Issue date Dec 14, 1948
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    DISPLAY POSITIONING APPARATUS AND METHOD

    • Publication number 20230255346
    • Publication date Aug 17, 2023
    • Ergotron, Inc.
    • Joel Hazzard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DISPLAY POSITIONING APPARATUS AND METHOD

    • Publication number 20220175133
    • Publication date Jun 9, 2022
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    HOOK FOR WRITING BOARD

    • Publication number 20220079343
    • Publication date Mar 17, 2022
    • TAICANG BOARDSTAR OFFICE SUPPLIES CO., LTD.
    • Hongbiao KAN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    DISPLAY POSITIONING APPARATUS AND METHOD

    • Publication number 20210169217
    • Publication date Jun 10, 2021
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DISPLAY POSITIONING APPARATUS AND METHOD

    • Publication number 20200245759
    • Publication date Aug 6, 2020
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DISPLAY POSITIONING APPARATUS AND METHOD

    • Publication number 20190090630
    • Publication date Mar 28, 2019
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    RECTANGULAR FRAME WITH HEIGHT ADJUSTMENT FOR A FIRST AND/OR SECOND...

    • Publication number 20180092456
    • Publication date Apr 5, 2018
    • Markant International B.V.
    • Eric Ten Cate
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DISPLAY POSITIONING APPARATUS AND METHOD

    • Publication number 20180020827
    • Publication date Jan 25, 2018
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DISPLAY POSITIONING APPARATUS, SYSTEM, AND METHOD

    • Publication number 20170332778
    • Publication date Nov 23, 2017
    • Ergotron, Inc.
    • Mustafa A. Ergun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DISPLAY POSITIONING APPARATUS AND METHOD

    • Publication number 20160309890
    • Publication date Oct 27, 2016
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    HANGABLE ARTIST'S EASEL AND ACCESORIES

    • Publication number 20160029799
    • Publication date Feb 4, 2016
    • Robert W. Hickman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DISPLAY POSITIONING APPARATUS AND METHOD

    • Publication number 20140332653
    • Publication date Nov 13, 2014
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Artist's Easel Attachable to a Door

    • Publication number 20140263922
    • Publication date Sep 18, 2014
    • Robert Wayne Hickman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Display Positioning Apparatus and Method

    • Publication number 20130341476
    • Publication date Dec 26, 2013
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Display Positioning Apparatus and Method

    • Publication number 20120187056
    • Publication date Jul 26, 2012
    • Ergotron, Inc.
    • Joel Hazzard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Edge Mount Positioning Apparatus, System, and Method

    • Publication number 20120119040
    • Publication date May 17, 2012
    • Ergotron, Inc.
    • Mustafa A. Ergun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Height Positioning Device for a Presentation Device

    • Publication number 20100006717
    • Publication date Jan 14, 2010
    • VS VEREINIGTE SPEZIALMOBELFABRIKEN GMBH & CO. KG
    • Reinhard Weber
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    SUPPORTING ARM FOR A PROJECTION APPARATUS AND PRESENTATION APPARATU...

    • Publication number 20100006732
    • Publication date Jan 14, 2010
    • VS VEREINIGTE SPEZIALMOBELFABRIKEN GMBH & CO. KG
    • Reinhard Weber
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Artist's easel

    • Publication number 20050045795
    • Publication date Mar 3, 2005
    • Kathryn Thompson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...