TREA

Joseph C. Dangrow

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  • Fredonia, PA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Ladder Top and Ladder
    • Publication number 20240376778
    • Publication date Nov 14, 2024
    • Werner Co.
    • Joseph Dangrow
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    PLATFORM WITH HANDLE
    • Publication number 20240368902
    • Publication date Nov 7, 2024
    • Werner Co.
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Application

    Ladder Feet
    • Publication number 20240191575
    • Publication date Jun 13, 2024
    • Werner Co.
    • Robert D. Beggs
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Apparatus Having a Handle on Which a User Stands, and Method
    • Publication number 20210071433
    • Publication date Mar 11, 2021
    • Werner Co.
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Application

    Ladder with Top for Holding an Impact Driver and Method
    • Publication number 20210025232
    • Publication date Jan 28, 2021
    • Werner Co.
    • Joseph Dangrow
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder, Top and Method
    • Publication number 20200232280
    • Publication date Jul 23, 2020
    • Werner Co.
    • Daniel C. Mora
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder, Top and Method
    • Publication number 20200208470
    • Publication date Jul 2, 2020
    • Werner Co.
    • Thomas W. Parker
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Interlocking Work Platform System and Method
    • Publication number 20200102760
    • Publication date Apr 2, 2020
    • Werner Co.
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Application

    Stepladder Having a Ladder Top with Conduit Holder Slot and Method
    • Publication number 20200056427
    • Publication date Feb 20, 2020
    • Werner Co.
    • Robert C. Tiber
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Scaffold With Latch Assembly and Method
    • Publication number 20200032530
    • Publication date Jan 30, 2020
    • Werner Co.l
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Application

    Ladder with Top for Holding an Impact Driver and Method
    • Publication number 20190264505
    • Publication date Aug 29, 2019
    • Werner Co.
    • Joseph Dangrow
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder, Foot and Method
    • Publication number 20190226279
    • Publication date Jul 25, 2019
    • Werner Co.
    • Robert D. Beggs
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Interlocking Work Platform System and Method
    • Publication number 20190119932
    • Publication date Apr 25, 2019
    • Werner Co.
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Application

    Ladder, Top and Method
    • Publication number 20180187488
    • Publication date Jul 5, 2018
    • Werner Co.
    • Daniel C. Mora
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder, Top and Method
    • Publication number 20180187489
    • Publication date Jul 5, 2018
    • Werner Co.
    • Thomas W. Parker
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Interlocking Work Platform System and Method
    • Publication number 20180171648
    • Publication date Jun 21, 2018
    • Werner Co.
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Application

    Hybrid Stepladder and Method
    • Publication number 20170328131
    • Publication date Nov 16, 2017
    • Werner Co.
    • Steve Woodward
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Apparatus Having a Handle on Which a User Stands, and Method
    • Publication number 20170275900
    • Publication date Sep 28, 2017
    • Werner Co.
    • Steve Woodward
    • E04 - BUILDING
  • Information Patent Application

    Scaffold With Latch Assembly and Method
    • Publication number 20170275897
    • Publication date Sep 28, 2017
    • Steve Weadward
    • E04 - BUILDING
  • Information Patent Application

    Stepladder Having a Ladder Top with Conduit Holder Slot and Method
    • Publication number 20160369562
    • Publication date Dec 22, 2016
    • Werner Co.
    • Robert C. Tiber
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Stepladder Having a Ladder Top with Conduit Holder Slot and Method
    • Publication number 20140332316
    • Publication date Nov 13, 2014
    • Werner Co.
    • Robert C. Tiber
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Ladder Leveler and Method
    • Publication number 20140110189
    • Publication date Apr 24, 2014
    • Werner Co.
    • Joseph C. Dangrow
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Clip for transportation of ladders and method
    • Publication number 20090165267
    • Publication date Jul 2, 2009
    • Kyle G. Astor
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder leveler and method
    • Publication number 20070193832
    • Publication date Aug 23, 2007
    • Werner Co.
    • Joseph C. Dangrow
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Ladder leveler and method
    • Publication number 20070163839
    • Publication date Jul 19, 2007
    • Werner Co.
    • Joseph C. Dangrow
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Clip for transportation of ladders and method
    • Publication number 20070045047
    • Publication date Mar 1, 2007
    • Werner Co.
    • Kyle G. Astor
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Dynamic hinge for ladder
    • Publication number 20050178617
    • Publication date Aug 18, 2005
    • Werner Co.
    • David A. Winslow
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Locking hinge for folding ladder
    • Publication number 20050028320
    • Publication date Feb 10, 2005
    • Brett A. Latimer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS