Needle weirs

Industry

  • CPC
  • E02B7/24
This industry / category may be too specific. Please go to a parent level for more data

Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum stoplogs

    • Patent number 4,439,061
    • Issue date Mar 27, 1984
    • Whipps, Inc.
    • George E. Whipps
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING