Patents Assigned to JLH Consulting Inc.
  • Combined mixed-cell and raceway aquaculture device, system and method of use thereof, and method for growing fish thereby
    Patent number: 11399518
    Abstract: An energy efficient aquaculture system combining mixed-cell and raceway configurations. The system comprises a raceway tank, a raceway channel, a first water purification subsystem, and a second water purification subsystem. The system may include one or more of a hatching subsystem, a nursery subsystem, a feeding subsystem, a finishing subsystem, and a fish pumping system for transfer of fish between raceway tanks. A method of growing fish for commercial production using the aquaculture system is also provided.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: August 2, 2022
    Assignee: JLH CONSULTING INC.
    Inventors: John Pearson Holder, John Leslie Holder
  • Recirculating aquaculture systems and biofilters therefor
    Patent number: 8925490
    Abstract: A biofilter is provided. The biofilter comprises a housing; an inlet defining an upstream end of the housing; an outlet defining a downstream end of the housing; a chamber comprising an upstream opening and a downstream opening, the chamber configured to contain a filtration medium; and a counter flow generator for generating a counter flow of water in an upstream direction in the chamber. Related methods and systems are also provided.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: January 6, 2015
    Assignee: JLH Consulting Inc.
    Inventors: John Leslie Holder, Robert Scott McKinley