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Paul W. Hau

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  • Watertown, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Core saw and support frame structure
    • Patent number 10,876,366
    • Issue date Dec 29, 2020
    • McLaughlin Group, Inc.
    • Paul W. Hau
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Contained drive system for chain conveyor belt to reduce catenary sag
    • Patent number 7,874,419
    • Issue date Jan 25, 2011
    • Dorner Mfg. Corp.
    • Michael A. Hosch
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Conveyor frame assembly having side rails including multiple attach...
    • Patent number 7,735,638
    • Issue date Jun 15, 2010
    • Dorner Mfg. Corp.
    • Paul Hau
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Portable winch
    • Patent number 7,500,651
    • Issue date Mar 10, 2009
    • Earth Tool Company, L.L.C.
    • Steven W. Wentworth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Cable pulling machine
    • Patent number 7,490,814
    • Issue date Feb 17, 2009
    • Earth Tool Company, L.L.C.
    • Paul W. Hau
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cable pulling machine
    • Patent number 7,175,367
    • Issue date Feb 13, 2007
    • Earth Tool Company, L.L.C.
    • Paul W. Hau
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Winch with telescoping mast
    • Patent number 7,048,257
    • Issue date May 23, 2006
    • Earth Tool Company, L.L.C.
    • Steven W. Wentworth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Pipe replacement method and rotary impact mechanism for pipe bursting
    • Patent number 6,755,593
    • Issue date Jun 29, 2004
    • Earth Tool Company, L.L.C.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller pipe burster
    • Patent number 6,568,488
    • Issue date May 27, 2003
    • Earth Tool Company, L.L.C.
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    LATCH MECHANISM FOR FOLDING DOOR OR WINDOWS
    • Publication number 20190119964
    • Publication date Apr 25, 2019
    • HOPPE Holding AG
    • Paul Hau
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    CORE SAW AND SUPPORT FRAME STRUCTURE
    • Publication number 20180087338
    • Publication date Mar 29, 2018
    • MCLAUGHLIN GROUP, INC.
    • Paul W. Hau
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CONTAINED DRIVE SYSTEM FOR CHAIN CONVEYOR BELT TO REDUCE CATENARY SAG
    • Publication number 20090020397
    • Publication date Jan 22, 2009
    • DORNER MFG. CORP.
    • Michael A. Hosch
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CONVEYOR FRAME ASSEMBLY HAVING SIDE RAILS INCLUDING MULTIPLE ATTACH...
    • Publication number 20080210529
    • Publication date Sep 4, 2008
    • DORNER MFG. CORP.
    • Paul Hau
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Portable winch
    • Publication number 20080067481
    • Publication date Mar 20, 2008
    • Steven W. Wentworth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Cable pulling machine
    • Publication number 20070140793
    • Publication date Jun 21, 2007
    • Paul W. Hau
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Winch with telescoping mast
    • Publication number 20060231815
    • Publication date Oct 19, 2006
    • Steven W. Wentworth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Winch with telescoping mast
    • Publication number 20050062030
    • Publication date Mar 24, 2005
    • Steven W. Wentworth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Cable pulling machine
    • Publication number 20040146361
    • Publication date Jul 29, 2004
    • Paul W. Hau
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Roller pipe burster
    • Publication number 20020189811
    • Publication date Dec 19, 2002
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pipe replacement method and rotary impact mechanism for pipe bursting
    • Publication number 20020114671
    • Publication date Aug 22, 2002
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...