TREA

William D. Chandler

Follow

Person

  • Ashland, OH, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 11,807,564
    • Issue date Nov 7, 2023
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water control system
    • Patent number 11,807,550
    • Issue date Nov 7, 2023
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 11,808,366
    • Issue date Nov 7, 2023
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Valve control system
    • Patent number 11,655,904
    • Issue date May 23, 2023
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water delivery control system
    • Patent number 11,591,240
    • Issue date Feb 28, 2023
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid treatment apparatus
    • Patent number 11,560,956
    • Issue date Jan 24, 2023
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water delivery control system
    • Patent number 11,548,795
    • Issue date Jan 10, 2023
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pison valve with annular passages
    • Patent number 11,542,178
    • Issue date Jan 3, 2023
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pump controller apparatus
    • Patent number 11,209,839
    • Issue date Dec 28, 2021
    • CHANDLER SYSTEMS, INC.
    • William D Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 11,208,335
    • Issue date Dec 28, 2021
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 11,203,532
    • Issue date Dec 21, 2021
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 11,192,797
    • Issue date Dec 7, 2021
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure switch
    • Patent number D924177
    • Issue date Jul 6, 2021
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 10,948,091
    • Issue date Mar 16, 2021
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Valve control apparatus
    • Patent number 10,865,122
    • Issue date Dec 15, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 10,865,124
    • Issue date Dec 15, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Valve control apparatus
    • Patent number 10,865,123
    • Issue date Dec 15, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Valve control apparatus
    • Patent number 10,829,388
    • Issue date Nov 10, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Valve control apparatus
    • Patent number 10,822,252
    • Issue date Nov 3, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Valve control apparatus
    • Patent number 10,822,250
    • Issue date Nov 3, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 10,822,251
    • Issue date Nov 3, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 10,633,262
    • Issue date Apr 28, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Liquid treatment control system
    • Patent number 10,590,008
    • Issue date Mar 17, 2020
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve control apparatus
    • Patent number 10,494,267
    • Issue date Dec 3, 2019
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 10,495,230
    • Issue date Dec 3, 2019
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Valve control apparatus
    • Patent number 10,494,268
    • Issue date Dec 3, 2019
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Valve control apparatus
    • Patent number 10,479,699
    • Issue date Nov 19, 2019
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 10,011,500
    • Issue date Jul 3, 2018
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 10,012,319
    • Issue date Jul 3, 2018
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Piston valve with annular passages
    • Patent number 9,970,558
    • Issue date May 15, 2018
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    WATER TREATMENT, FILTRATION AND MANAGEMENT SYSTEMS
    • Publication number 20170197854
    • Publication date Jul 13, 2017
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    PISTON VALVE WITH ANNULAR PASSAGES
    • Publication number 20160153569
    • Publication date Jun 2, 2016
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WATER SOFTENER SYSTEM AND METHOD
    • Publication number 20140013839
    • Publication date Jan 16, 2014
    • CHANDLER SYSTEMS, INC.
    • William D. Chandler
    • G01 - MEASURING TESTING
  • Information Patent Application

    Speed control for a pumping system
    • Publication number 20030138327
    • Publication date Jul 24, 2003
    • Robert Jones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...