Patents by Inventor Wilfried Heupt

Wilfried Heupt 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 for transcuticular application of active substance to plants
    Patent number: 5343653
    Abstract: A device for the transcuticular administration of active substances to plants, and a method of using the same to treat plants with fungicidal, herbicidal, insecticidal and/or acaricidal substances.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: September 6, 1994
    Assignee: Celaflor GmbII
    Inventors: Hanshelmut Itzel, Bernd Zierenberg, Christo Drandarevski, Wilfried Heupt
  • Device for transcuticular application of active substances to plants
    Patent number: 5201925
    Abstract: A device for the transcuticular administration of active substances to plants, and a method of using the same to treat plants with fungicidal, herbicidal, insecticidal and/or acaricidal substances.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: April 13, 1993
    Assignee: Celaflor GmbH
    Inventors: Hanshelmut Itzel, Bernd Zierenberg, Christo Drandarevski, Wilfried Heupt