Patents by Inventor John Leslie HOLDER

John Leslie HOLDER has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220346355
    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: Application
    Filed: July 15, 2022
    Publication date: November 3, 2022
    Inventors: John Pearson HOLDER, John Leslie HOLDER
  • 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
  • Publication number: 20220142126
    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: Application
    Filed: May 13, 2020
    Publication date: May 12, 2022
    Inventors: John Pearson HOLDER, John Leslie HOLDER
  • 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
  • Publication number: 20130247832
    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: Application
    Filed: January 11, 2013
    Publication date: September 26, 2013
    Inventors: John Leslie HOLDER, Robert Scott MCKINLEY