Ott; Rita

Organization

  • Langenhagen, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Aeration device

    • Patent number 5,676,890
    • Issue date Oct 14, 1997
    • Ott; Rita
    • Wilfried Ott
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Gas injection equipment

    • Patent number 4,954,296
    • Issue date Sep 4, 1990
    • Ott; Rita
    • Wilfried Ott
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE