Patents by Inventor Russell Staples

Russell Staples 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).

  • Tank cleaning method and apparatus
    Patent number: 5253812
    Abstract: A settling tank cleaning unit includes a vertically buoyant device, provided with means to generate both horizontal and vertical propulsion, thereby moving the device in a random pattern adjacent the bottom of a tank to be cleaned and, at the same time, cutting tank-deposited solids and transporting the solids to a solids and liquid mixing propeller which vertically lifts the mixture for recirculation or to a discharge zone.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: October 19, 1993
    Inventors: Wesley Staples, Russell Staples
  • Recovery method for settled black liquor
    Patent number: 4753737
    Abstract: A recovery method for settled black liquor in ponds and lagoons is disclosed so that ponds and lagoons which can no longer be pumped to recovery evaporators and furnaces are reconstituted by augering the settled black liquor and passing the augered material through filters, partical micronization chambers and static mixers.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: June 28, 1988
    Inventors: Wesley Staples, Russell Staples