Patents by Inventor Peter Hetze

Peter Hetze 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).

  • Device to keep flowers fresh
    Patent number: 6289630
    Abstract: Device to keep cut flowers fresh for admixing nutrients to the keep fresh liquid, with a carrier for the nutrient being provided by which the nutrients are dispensed directly to the keep-fresh liquid, wherein the blade-shaped, stem-shaped, stalk-shaped or rod-shaped carrier (1) is provided with a container (2) which receives and releases the nutrients and has walls which are permeable at least in certain areas.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: September 18, 2001
    Inventors: Peter Hetze, Robert Janecka