Patents by Inventor Erich Busch

Erich Busch 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).

  • Filter for the purification of tap water
    Patent number: 5064534
    Abstract: A filter for the purification of tap water containing several layers of different filter materials. One of the layers is an adsorption filter element comprising a self-supporting sintered body of finely dispersed adsortion material, e.g., activated charcoal, a thermoplastic binder material and a finely dispersed, oligodynamic material, wherein these materials provide a fine-mesh, mechanical filter. The adsorption filter can also be used by itself for filtering purposes.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: November 12, 1991
    Inventors: Erich Busch, Michael Busch