Patents by Inventor Wolfgang Riechmann

Wolfgang Riechmann 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).

  • Terrarium/aquarium combination
    Patent number: 4754571
    Abstract: Apparatus for humidifying indoor air is provided, and includes an open-topped container, having means for circulating air therethrough. Substrate material is provided in the container, the substrate material being suitable for the growth of plants. Means for circulating water through said substrate material is provided, thereby to maintain a substantially constant water content therein. Air circulated past the vicinity of said substrate will tend to retain moisture.
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: July 5, 1988
    Inventor: Wolfgang Riechmann