William J. Black

Person

  • Wilmington, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Elevating scraper up-stop mechanism

    • Patent number 4,223,460
    • Issue date Sep 23, 1980
    • Caterpillar Tractor Co.
    • William J. Black
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Elevating scraper up-stop mechanism

    • Patent number 4,159,583
    • Issue date Jul 3, 1979
    • Caterpillar Tractor Co.
    • William J. Black
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Guard for hydraulic cylinder rods

    • Patent number 3,997,986
    • Issue date Dec 21, 1976
    • Caterpillar Tractor Co.
    • William J. Black
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Bucket tooth adapter support and load transfer means

    • Patent number 3,974,579
    • Issue date Aug 17, 1976
    • Caterpillar Tractor Co.
    • William J. Black
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING