TREA

MDU Resources Group, Inc.

Follow

Organization

  • Irvine, CA, US
  • Ticker Symbols
    NYSE:MDU
  • MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
  • Business Address
    1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1059
  • Mailing Address
    1200 WEST CENTURY AVENUE BISMARCK ND 58503
  • State Location
    ND
  • State of Incorporation
    DE
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of repairing spacer fitting assemblies
    • Patent number 9,464,438
    • Issue date Oct 11, 2016
    • MDU Resources Group, Inc.
    • Thomas U. Crary
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spacer fitting repair plate
    • Patent number 8,905,364
    • Issue date Dec 9, 2014
    • MDU Resources Group, Inc.
    • Thomas U. Crary
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    97237927 - BUILDING A STRONG WORKFORCE
    • Serial number 97237927
    • Filing date Jan 25, 2022
    • MDU Resources Group, Inc.
    • 35 - Advertising
  • Information Trademark

    90647964 - MDU CONSTRUCTION SERVICES GROUP
    • Serial number 90647964
    • Registration number 6590509
    • Filing date Apr 15, 2021
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    90648035
    • Serial number 90648035
    • Registration number 6590511
    • Filing date Apr 15, 2021
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    90647994 - MDU CONSTRUCTION SERVICES GROUP
    • Serial number 90647994
    • Registration number 6590510
    • Filing date Apr 15, 2021
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    90502534 - CONSTRUCTION ADVANCED
    • Serial number 90502534
    • Registration number 6611862
    • Filing date Feb 1, 2021
    • MDU Resources Group, Inc.
    • 6 - Common metals and their alloys
  • Information Trademark

    87901242 - POWERING A STRONG AMERICA
    • Serial number 87901242
    • Registration number 5840610
    • Filing date Apr 30, 2018
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    87891556 - OEG POWER ON
    • Serial number 87891556
    • Registration number 5622614
    • Filing date Apr 24, 2018
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    87891561 - LIFE AT KNIFE
    • Serial number 87891561
    • Registration number 5752944
    • Filing date Apr 24, 2018
    • MDUR NEWCO, INC.
    • 35 - Advertising
  • Information Trademark

    87891553 - OEG
    • Serial number 87891553
    • Registration number 5622613
    • Filing date Apr 24, 2018
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    86670570 - TOP WHEEL
    • Serial number 86670570
    • Registration number 5046601
    • Filing date Jun 22, 2015
    • MDU Resources Group, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    86367943 - KNIFE RIVER
    • Serial number 86367943
    • Registration number 4722892
    • Filing date Aug 15, 2014
    • MDU Resources Group, Inc.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    85667312 - WBI ENERGY
    • Serial number 85667312
    • Registration number 4291992
    • Filing date Jul 2, 2012
    • MDU Resources Group, Inc.
    • 35 - Advertising
  • Information Trademark

    85257553 - COMMITTED TO ZERO
    • Serial number 85257553
    • Registration number 4035018
    • Filing date Mar 3, 2011
    • MDU Resources Group, Inc.
    • 16 - Paper, cardboard and goods made from these materials, not included in other classes
  • Information Trademark

    85058734 - BITTER CREEK
    • Serial number 85058734
    • Registration number 4004883
    • Filing date Jun 9, 2010
    • MDU Resources Group, Inc.
    • 35 - Advertising
  • Information Trademark

    77961541 - OREGON ELECTRIC GROUP
    • Serial number 77961541
    • Registration number 3867054
    • Filing date Mar 17, 2010
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    77665491 - INTERMOUNTAIN GAS COMPANY
    • Serial number 77665491
    • Registration number 3669249
    • Filing date Feb 6, 2009
    • MDU Resources Group, Inc.
    • 39 - Transport
  • Information Trademark

    77662647 - INTERMOUNTAIN GAS COMPANY
    • Serial number 77662647
    • Registration number 3669093
    • Filing date Feb 3, 2009
    • MDU Resources Group, Inc.
    • 39 - Transport
  • Information Trademark

    77662627 - COMMITTED TO ZERO
    • Serial number 77662627
    • Registration number 3679135
    • Filing date Feb 3, 2009
    • MDU Resources Group, Inc.
    • 16 - Paper, cardboard and goods made from these materials, not included in other classes
  • Information Trademark

    77396544 - KNIFE RIVER
    • Serial number 77396544
    • Registration number 3504593
    • Filing date Feb 13, 2008
    • MDU Resources Group, Inc.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    77184125 - KNIFE RIVER AN MDU RESOURCES COMPANY
    • Serial number 77184125
    • Registration number 3372379
    • Filing date May 17, 2007
    • MDU Resources Group, Inc.
    • 19 - Building materials (non-metallic)
  • Information Trademark

    78951774 - BUILDING A STRONG AMERICA
    • Serial number 78951774
    • Registration number 3242505
    • Filing date Aug 14, 2006
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    78951779 - MDU RESOURCES GROUP, INC. BUILDING A STRONG AMERICA
    • Serial number 78951779
    • Registration number 3242506
    • Filing date Aug 14, 2006
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    78868231 - AQUIFIRST
    • Serial number 78868231
    • Filing date Apr 24, 2006
    • MDU Resources Group, Inc.
    • 39 - Transport
  • Information Trademark

    78158912 - THE LIQUIDATOR
    • Serial number 78158912
    • Registration number 2863647
    • Filing date Aug 28, 2002
    • MDU Resources Group, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    78146756 - QUALITY SERVICES NATURALLY
    • Serial number 78146756
    • Filing date Jul 23, 2002
    • MDU Resources Group, Inc.
    • 35 - Advertising
  • Information Trademark

    78110070 - GP GREAT PLAINS NATURAL GAS CO.
    • Serial number 78110070
    • Registration number 2729169
    • Filing date Feb 20, 2002
    • MDU Resources Group, Inc.
    • 35 - Advertising
  • Information Trademark

    78105847 - IN THE COMMUNITY TO SERVE
    • Serial number 78105847
    • Registration number 2649652
    • Filing date Jan 30, 2002
    • MDU Resources Group, Inc.
    • 37 - Building construction
  • Information Trademark

    78105845 - GREAT PLAINS NATURAL GAS CO.
    • Serial number 78105845
    • Registration number 2639860
    • Filing date Jan 30, 2002
    • MDU Resources Group, Inc.
    • 35 - Advertising
  • Information Trademark

    78092261 - GP
    • Serial number 78092261
    • Registration number 2631947
    • Filing date Nov 7, 2001
    • MDU Resources Group, Inc.
    • 35 - Advertising
  • Information Trademark

    78086184
    • Serial number 78086184
    • Registration number 2718153
    • Filing date Sep 28, 2001
    • MDU Resources Group, Inc.
    • 35 - Advertising