Patents by Inventor Heinrich Schulthess

Heinrich Schulthess 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).

  • Process for chemical decontamination of layers of earth and/or water contaminated with organic materials
    Patent number: 4167973
    Abstract: There is provided an apparatus for the chemical decontamination of layers of earth and/or water contaminated with organic materials comprising the following block units:Device for withdrawal of water from a water pressure line which water is to be treated and returned into the layers of earth,A mixing device for the preparation of a mixture of water and at least one strong, chemical oxidizing agent and/or bactericide,A degassing device for removal of excess gas from the mixture,A distribution device for distributing the mixture to several feed lines, andSeveral mobile sprinkling and/or feeding lines with drain pipes to feed the aqueous mixture to and/or the layers of earth whereby the drain pipes are at most lowered to the still water level in the water bearing layers of ground.There is also described a method of using the apparatus.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: September 18, 1979
    Assignee: Aquatechnique Sierre S.A.
    Inventors: Ernst Forte, Heinrich Schulthess