Patents by Inventor James Edward Slade

James Edward Slade 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 systems for recovering alluvial gold
    Patent number: 8399790
    Abstract: Various embodiments of methods and systems are provided for mining alluvial gold deposits. The methods can comprise collecting feed from alluvium and washing the feed at high pressure. The feed can be separated into a plurality of separate fractions. At least one fraction is transferred to a metal sensor system using a conveyer, wherein when gold is detected in a piece of the fraction, an air blast can be targeted and delivered at the piece, with the air blast diverting the piece to a receiving container.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: March 19, 2013
    Inventor: James Edward Slade
  • Methods and systems for recovering alluvial gold
    Patent number: 7909169
    Abstract: Various embodiments of methods and systems are provided for mining alluvial gold deposits. The methods can comprise collecting feed from alluvium and washing the feed at high pressure. The feed can be separated into a plurality of separate fractions. At least one fraction is transferred to a metal sensor system using a conveyer, wherein when gold is detected in a piece of the fraction, an air blast can be targeted and delivered at the piece, with the air blast diverting the piece to a receiving container.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: March 22, 2011
    Inventor: James Edward Slade