Arthur R. Helmich

Person

  • Benton, AR, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Water distilling apparatus and method

    • Patent number 5,587,055
    • Issue date Dec 24, 1996
    • Hartman; Michael O.
    • Michael O. Hartman
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water distilling apparatus

    • Patent number 5,484,510
    • Issue date Jan 16, 1996
    • Dew Enterprises, Inc.
    • Micheal O. Hartman
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    High efficiency water distiller

    • Patent number 4,894,123
    • Issue date Jan 16, 1990
    • Arthur R. Helmich
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water distiller

    • Patent number 4,724,048
    • Issue date Feb 9, 1988
    • Arthur R. Helmich
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL