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David L. Cox

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  • Monticello, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Damage avoidance systems and methods for motor grader scarifiers
    • Patent number 12,359,396
    • Issue date Jul 15, 2025
    • Caterpillar Inc.
    • Michael C. Gentle
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Circle drive system for a grading machine
    • Patent number 12,209,385
    • Issue date Jan 28, 2025
    • Caterpillar Inc.
    • Nathaniel K. Harshman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Systems and methods for automatic moldboard positioning
    • Patent number 12,152,368
    • Issue date Nov 26, 2024
    • Caterpillar Inc.
    • Michael C. Gentle
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Mounting assembly
    • Patent number 12,123,163
    • Issue date Oct 22, 2024
    • Caterpillar Inc.
    • Bruce Raymond Vahling
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Retention assembly for grader machine blade
    • Patent number 12,018,453
    • Issue date Jun 25, 2024
    • Caterpillar Inc.
    • Nathaniel Keith Harshman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pin for coupler assemblies
    • Patent number 11,603,642
    • Issue date Mar 14, 2023
    • Caterpillar Inc.
    • Nathan Tissier
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Drawbar assembly for a motor grader
    • Patent number 11,598,068
    • Issue date Mar 7, 2023
    • Caterpillar Inc.
    • Davida Ray Reang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wear plate for a blade
    • Patent number 11,421,397
    • Issue date Aug 23, 2022
    • Caterpillar Inc.
    • David Cox
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Coupler assembly to rotatably couple brackets to beams
    • Patent number 11,352,762
    • Issue date Jun 7, 2022
    • Caterpillar Inc.
    • Nathan Tissier
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Extendable scarifier system
    • Patent number 11,268,258
    • Issue date Mar 8, 2022
    • Caterpillar Inc.
    • Benjamin J. Kovalick
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Circle drive system for a grading machine
    • Patent number 11,230,820
    • Issue date Jan 25, 2022
    • Caterpillar Inc.
    • Nathaniel K. Harshman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Retention assembly for grader machine blade
    • Patent number 11,041,286
    • Issue date Jun 22, 2021
    • Caterpillar Inc.
    • Nathaniel Keith Harshman
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Mounting assembly
    • Patent number 10,889,960
    • Issue date Jan 12, 2021
    • Caterpillar Inc.
    • Bruce Raymond Vahling
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Mounting assembly
    • Patent number 10,844,573
    • Issue date Nov 24, 2020
    • Caterpillar Inc.
    • James David Costner
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Motor grader with mid-mount scarifier system
    • Patent number 10,774,503
    • Issue date Sep 15, 2020
    • Caterpillar Inc.
    • Benjamin J. Kovalick
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Work attachment for motor grader
    • Patent number 10,458,081
    • Issue date Oct 29, 2019
    • Caterpillar Inc.
    • Sean Michael Hayes
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    SNOW WING LINKAGE
    • Publication number 20250198101
    • Publication date Jun 19, 2025
    • Caterpillar Inc.
    • Benjamin J. Kovalick
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Method and System of Ditch Extraction for a Motor Grader
    • Publication number 20250084612
    • Publication date Mar 13, 2025
    • Caterpillar Inc.
    • Michael C. Gentle
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SNOW WING ASSEMBLY HAVING INDEPENDENT ROTATIONAL CONTROLS
    • Publication number 20230349118
    • Publication date Nov 2, 2023
    • Caterpillar Inc.
    • Benjamin J. KOVALICK
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    SCARIFIER SYSTEM FOR MACHINE
    • Publication number 20230332376
    • Publication date Oct 19, 2023
    • Caterpillar Inc.
    • Benjamin Kovalick
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    DAMAGE AVOIDANCE SYSTEMS AND METHODS FOR MOTOR GRADER SCARIFIERS
    • Publication number 20230017936
    • Publication date Jan 19, 2023
    • Caterpillar Inc.
    • Michael C. Gentle
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SYSTEMS AND METHODS FOR OPERATING SNOW WINGS OF MOTOR GRADERS
    • Publication number 20230002985
    • Publication date Jan 5, 2023
    • Caterpillar Inc.
    • Michael C. Gentle
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    SYSTEMS AND METHODS FOR AUTOMATIC MOLDBOARD POSITIONING
    • Publication number 20220412043
    • Publication date Dec 29, 2022
    • Caterpillar Inc.
    • Michael C. Gentle
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CIRCLE DRIVE SYSTEM FOR A GRADING MACHINE
    • Publication number 20220145582
    • Publication date May 12, 2022
    • Caterpillar Inc.
    • Nathaniel K. HARSHMAN
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    RETENTION ASSEMBLY FOR GRADER MACHINE BLADE
    • Publication number 20210246629
    • Publication date Aug 12, 2021
    • Caterpillar Inc.
    • Nathaniel Keith Harshman
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    EXTENDABLE SCARIFIER SYSTEM
    • Publication number 20210230830
    • Publication date Jul 29, 2021
    • Caterpillar Inc.
    • Benjamin J. Kovalick
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MOUNTING ASSEMBLY
    • Publication number 20210087781
    • Publication date Mar 25, 2021
    • Caterpillar Inc.
    • Bruce Raymond Vahling
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PIN FOR COUPLER ASSEMBLIES
    • Publication number 20200354924
    • Publication date Nov 12, 2020
    • Caterpillar Inc.
    • Nathan Tissier
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    COUPLER ASSEMBLY TO ROTATABLY COUPLE BRACKETS TO BEAMS
    • Publication number 20200354922
    • Publication date Nov 12, 2020
    • Caterpillar Inc.
    • Nathan Tissier
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WEAR PLATE FOR A BLADE
    • Publication number 20200347569
    • Publication date Nov 5, 2020
    • Caterpillar Inc.
    • David COX
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CIRCLE DRIVE SYSTEM FOR A GRADING MACHINE
    • Publication number 20200263387
    • Publication date Aug 20, 2020
    • Caterpillar Inc.
    • Nathaniel K. HARSHMAN
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MOUNTING ASSEMBLY
    • Publication number 20200263388
    • Publication date Aug 20, 2020
    • Caterpillar Inc.
    • Bruce Raymond Vahling
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MOUNTING ASSEMBLY
    • Publication number 20200024822
    • Publication date Jan 23, 2020
    • Caterpillar Inc.
    • James David Costner
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MOTOR GRADER WITH MID-MOUNT SCARIFIER SYSTEM
    • Publication number 20190323203
    • Publication date Oct 24, 2019
    • Caterpillar Inc.
    • Benjamin J. Kovalick
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    RETENTION ASSEMBLY FOR GRADER MACHINE BLADE
    • Publication number 20190177949
    • Publication date Jun 13, 2019
    • Caterpillar Inc.
    • Nathaniel Keith Harshman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK ATTACHMENT FOR MOTOR GRADER
    • Publication number 20190063021
    • Publication date Feb 28, 2019
    • Caterpillar Inc.
    • Sean Michael Hayes
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    TURNBUCKLE
    • Publication number 20190063569
    • Publication date Feb 28, 2019
    • Caterpillar Inc.
    • Nathaniel K. Harshman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MOLDBOARD WEAR STRIP
    • Publication number 20180106013
    • Publication date Apr 19, 2018
    • Caterpillar Inc.
    • David Cox
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HOUSING OF A BALL JOINT ASSEMBLY
    • Publication number 20160215814
    • Publication date Jul 28, 2016
    • Caterpillar Inc.
    • David L. Cox
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...