Patents Represented by Attorney, Agent or Law Firm Philip C. Mendes de Costa
  • Patent number: 6274053
    Abstract: A liquid such as water is sequentially treated with an ozone containing gas in at least two steps. During the first step, the liquid is treated with a first ozone containing gas which contains ozone at a first concentration. During the second step, the liquid is treated with a second ozone containing gas which contains ozone at a second concentration that is higher than the first concentration.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: August 14, 2001
    Assignee: Fantom Technologies Inc.
    Inventor: Wayne Ernest Conrad