Patents Examined by R. Thomas Rice
  • Breeding apparatus
    Patent number: 5076209
    Abstract: A breeding apparatus comprising a breeding water tank, an ozonizing device, an activated carbon device and a breeding water circulating device wherein breeding water of sea water or a mixture of sea water and plain water is circulated in series in these devices, and the ozonizing device is located at the upstream side of the activated carbon device with respect to the flow of the breeding water.
    Type: Grant
    Filed: November 8, 1990
    Date of Patent: December 31, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toshiaki Kobayashi, Hatsuo Yotsumoto, Tateki Ozawa, Toshihiko Sasaki, Shigeki Nakayama