Patents by Inventor Leo J. Leggett

Leo J. Leggett 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).

  • Mollusc culture
    Patent number: 4589370
    Abstract: Method of growing molluscs, such as oysters, which method comprises placing a bed of discrete oysters in a vessel through which a stream of a culture medium is caused to flow upwardly and wherein the flow rate is sufficient to maintain the oysters in suspension without causing turbulent movement in the bed.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: May 20, 1986
    Assignees: ICI Australia Limited, State of South Australia
    Inventors: Brendan W. O'Sullivan, Leo J. Leggett, Maxwell V. Melvin
  • Method of growing molluscs
    Patent number: 4438725
    Abstract: Method of growing molluscs, such as oysters, which comprises inducing larvae to settle on small particles of cultch and subsequently maintaining the particles of cultch with spat attached in suspension in a liquid growing medium until they have reached the size appropriate for them to be used as seed molluscs.
    Type: Grant
    Filed: February 11, 1982
    Date of Patent: March 27, 1984
    Assignees: ICI Australia Limited, State of South Australia
    Inventors: Brendan W. O'Sullivan, Leo J. Leggett, Maxwell V. Melvin