TREA

John R. Grayson

Follow

Person

  • Inverness, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Pressurized brining system
    • Patent number 6,193,882
    • Issue date Feb 27, 2001
    • RSWC Inc.
    • John R. Grayson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Two-chamber fluid control valve and water softener incorporating same
    • Patent number 6,129,836
    • Issue date Oct 10, 2000
    • RSWC, Inc.
    • John R. Grayson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Tank-filling shut-off valve
    • Patent number 5,645,105
    • Issue date Jul 8, 1997
    • Aquion Partners Limited Partnership
    • John R. Grayson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Control head for water purifier
    • Patent number 5,082,557
    • Issue date Jan 21, 1992
    • RainSoft Water Conditioning Co.
    • John R. Grayson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reverse osmosis liquid treating apparatus
    • Patent number 4,482,456
    • Issue date Nov 13, 1984
    • RainSoft Water Conditioning Company
    • John R. Grayson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL