Patents by Inventor Daniel R. Butler

Daniel R. Butler 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).

  • Method for removing radioactive substances from affecting water wells
    Patent number: 6881347
    Abstract: The natural ability of an aquifer formation to remove radionuclides from ground water is recharged by injecting a leaching solution a well. The leaching solution replaces the radionuclides at natural sorption sites in the aquifer formation with ions that can be displaced subsequently by other radionuclides in the ground water. The leaching solution remains in the aquifer formation for a given period of time after which it is pumped out through the well. Thereafter, as water is pumped from the well, other radionuclides become lodged at the sorption sites in the aquifer formation thus being removed from the water.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: April 19, 2005
    Assignee: Ruekert & Mielke, Inc.
    Inventors: John R. Jansen, Steven H. Schultz, Daniel R. Butler
  • Method for removing radioactive substances from affecting water wells
    Publication number: 20030132171
    Abstract: The natural ability of an aquifer formation to remove radionuclides from ground water is recharged by injecting a leaching solution a well. The leaching solution replaces the radionuclides at natural sorption sites in the aquifer formation with ions that can be displaced subsequently by other radionuclides in the ground water. The leaching solution remains in the aquifer formation for a given period of time after which it is pumped out through the well. Thereafter, as water is pumped from the well, other radionuclides become lodged at the sorption sites in the aquifer formation thus being removed from the water.
    Type: Application
    Filed: January 14, 2003
    Publication date: July 17, 2003
    Inventors: John R. Jansen, Steven H. Schultz, Daniel R. Butler