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William L. French

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  • Lexington, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Precast dam structure with flowpath
    • Patent number 11,708,674
    • Issue date Jul 25, 2023
    • W.L. French Hydropower Holdings LLC
    • William L. French
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Precast dam structure with flowpath
    • Patent number 10,760,233
    • Issue date Sep 1, 2020
    • FRENCH DEVELOPMENT ENTERPRISES, LLC
    • William L. French
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Aquatic animal passage with counter
    • Patent number 9,730,431
    • Issue date Aug 15, 2017
    • FRENCH DEVELOPMENT ENTERPRISES, LLC
    • William L. French
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Intelligent hydroelectric dam with power storage
    • Patent number 9,103,084
    • Issue date Aug 11, 2015
    • French Development Enterprises, LLC
    • William L. French
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Intelligent hydroelectric dam with power storage
    • Patent number 8,414,223
    • Issue date Apr 9, 2013
    • French Development Enterprises, LLC
    • William L. French
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Precast Dam Structure With Flowpath
    • Publication number 20240076845
    • Publication date Mar 7, 2024
    • W.L. French Hydropower Holdings LLC
    • William L. French
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Precast Dam Structure With Flowpath
    • Publication number 20220154416
    • Publication date May 19, 2022
    • French Development Enterprises, LLC
    • William L. French
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Precast Dam Structure With Flowpath
    • Publication number 20190277000
    • Publication date Sep 12, 2019
    • William L. French
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PRECAST DAM STRUCTURE WITH FLOWPATH
    • Publication number 20170370063
    • Publication date Dec 28, 2017
    • French Development Enterprises, LLC
    • William L. French
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Aquatic Animal Passage with Counter
    • Publication number 20160286766
    • Publication date Oct 6, 2016
    • French Development Enterprises, LLC
    • William L. French
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    TRUCK MOUNTED SOLAR PANEL SYSTEM
    • Publication number 20160285412
    • Publication date Sep 29, 2016
    • French Development Enterprises, LLC
    • William L. French
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Aquatic Animal Passage With Counter
    • Publication number 20160017558
    • Publication date Jan 21, 2016
    • French Development Enterprises, LLC
    • William L. French
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    SEGMENTED BALLAST BASE SUPPORT STRUCTURE AND RAIL AND TROLLEY STRUC...
    • Publication number 20150337516
    • Publication date Nov 26, 2015
    • French Development Enterprises, LLC
    • William L. French
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Segmented Ballast Base Support Structure and Rail and Trolley Struc...
    • Publication number 20140205384
    • Publication date Jul 24, 2014
    • French Development Enterprises, LLC
    • William L. French
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    TRUCK MOUNTED SOLAR PANEL SYSTEM
    • Publication number 20140190551
    • Publication date Jul 10, 2014
    • French Development Enterprises, LLC
    • William L. French
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...