Robert R. Ziemer

Person

  • Gwynedd Valley, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Injection quill for water treatment

    • Patent number 6,238,557
    • Issue date May 29, 2001
    • BetzDearborn Inc.
    • Robert R. Ziemer
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Injection quill for water treatment

    • Patent number 6,165,372
    • Issue date Dec 26, 2000
    • BetzDearborn Inc.
    • Robert R. Ziemer
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE