Patents by Inventor John R. Huffman

John R. Huffman 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).

  • Methods and organisms for concentrating and recovering metals and minerals from aqueous media
    Publication number: 20040248268
    Abstract: The present invention relates to methods and organisms for concentrating and recovering metals and minerals from aqueous media. In the inventive method, a eucaryotic aquatic organism capable of concentrating a metal or mineral is contacted an aqueous medium containing the metal or mineral, in order to concentrate the metal or mineral in the organism. Following concentration, the metal or mineral accumulated by the organism may be recovered. Sponges are very preferable organisms for isolating metals, e.g., gold and silver, from seawater.
    Type: Application
    Filed: July 15, 2004
    Publication date: December 9, 2004
    Inventors: John Shannon, John R. Huffman
  • Methods and organisms for concentrating and recovering metals and minerals from aqueous media
    Patent number: 6806081
    Abstract: The present invention relates to methods and organisms for concentrating and recovering metals and minerals from aqueous media. In the inventive method, a eucaryotic aquatic organism capable of concentrating a metal or mineral is contacted an aqueous medium containing the metal or mineral, in order to concentrate the metal or mineral in the organism. Following concentration, the metal or mineral accumulated by the organism may be recovered. Sponges are very preferable organisms for isolating metals, e.g, gold and silver, from seawater.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: October 19, 2004
    Inventors: John Shannon, John R. Huffman
  • Methods and organisms for concentrating and recovering metals and minerals from aqueous media
    Publication number: 20010011376
    Abstract: The present invention relates to methods and organisms for concentrating and recovering metals and minerals from aqueous media. In the inventive method, a eucaryotic aquatic organism capable of concentrating a metal or mineral is contacted an aqueous medium containing the metal or mineral, in order to concentrate the metal or mineral in the organism. Following concentration, the metal or mineral accumulated by the organism may be recovered. Sponges are very preferable organisms for isolating metals, e.g, gold and silver, from seawater.
    Type: Application
    Filed: March 20, 2001
    Publication date: August 2, 2001
    Inventors: John Shannon, John R. Huffman