Patents by Inventor Steven L. Wilhelm

Steven L. Wilhelm 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).

  • Floating product removal
    Patent number: 7156988
    Abstract: A system and method for removing floating product from an aquifer. The system includes a groundwater-depressing mechanism configured to create a depression in a groundwater surface that encourages migration of floating product to the depression. The system also includes a floating-product extraction mechanism configured to separate floating product from the groundwater at the depression.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: January 2, 2007
    Inventor: Steven L. Wilhelm
  • Groundwater treatment system and method
    Patent number: 6921477
    Abstract: A groundwater treatment system, which includes subterranean inlet, treatment, and outlet portions. The inlet portion is configured to collect groundwater from an aquifer. The treatment portion includes a replaceable treatment media and is configured to receive the groundwater from the inlet portion and expose the groundwater to the treatment media. The outlet portion is configured to receive groundwater from the treatment portion and expel the groundwater to the aquifer.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: July 26, 2005
    Inventor: Steven L. Wilhelm
  • Floating product removal
    Publication number: 20040226892
    Abstract: A system and method for removing floating product from an aquifer. The system includes a groundwater-depressing mechanism configured to create a depression in a groundwater surface that encourages migration of floating product to the depression. The system also includes a floating-product extraction mechanism configured to separate floating product from the groundwater at the depression.
    Type: Application
    Filed: May 14, 2004
    Publication date: November 18, 2004
    Inventor: Steven L. Wilhelm
  • Groundwater treatment system and method
    Publication number: 20030189010
    Abstract: A groundwater treatment system, which includes subterranean inlet, treatment, and outlet portions. The inlet portion is configured to collect groundwater from an aquifer. The treatment portion includes a replaceable treatment media and is configured to receive the groundwater from the inlet portion and expose the groundwater to the treatment media. The outlet portion is configured to receive groundwater from the treatment portion and expel the groundwater to the aquifer.
    Type: Application
    Filed: April 2, 2003
    Publication date: October 9, 2003
    Inventor: Steven L. Wilhelm