Patents Assigned to Warner Technologies, Inc.
  • Fish conveying apparatus
    Patent number: 4904114
    Abstract: A device for assisting fish to circumnavigate obstacles such as dams is provided with a system of chambers within each of which is disposed an inclined, water permeable, floating screen movable up and down depending on the level of water in the chamber. The level of water is controlled by a system of strategically located gates and valves. The lowermost chamber is provided with a siphon-like arrangement assisting the draining of the chamber, without the need for a pump. The invention simplifies the overall arrangement and its operation.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: February 27, 1990
    Assignee: Warner Technologies, Inc.
    Inventors: Joseph Warner, James Schjelderup