Patents Assigned to Domsea Farms, Inc.
  • Grading small live fish underwater
    Patent number: 4198925
    Abstract: A fish grader having a boxlike frame with at least one barred side with a net attached outside the frame. The grader is placed in water and fish to be sorted are put in it. The smaller fish swim through the bars into the net, leaving the larger fish in the grader box, from which they can be released into a rearing enclosure.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: April 22, 1980
    Assignee: Domsea Farms, Inc.
    Inventor: Jon M. Lindbergh
  • Raising sac fry or alevins in densely packed incubators
    Patent number: 4159009
    Abstract: Alevins or sac fry can be efficiently incubated under crowded conditions such that the biomass-to-water weight ratio is between 48:1 and 100:1; provided that oxygenated water--rather than aerated water--is circulated through the incubator. Preferably, the water, when leaving the incubator contains approximately seven to fifty milligrams per liter of dissolved oxygen.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: June 26, 1979
    Assignee: Domsea Farms, Inc.
    Inventor: Barry A. Friedman