Patents by Inventor Abraham Paulus Houweling

Abraham Paulus Houweling 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).

  • Apparatus and methods for handling and controlling the nurturing of plants
    Publication number: 20040025429
    Abstract: Apparatus for handling and controlling the nurturing of plants comprises a greenhouse for providing a first environmental zone for nurturing plants, a plant warehouse for providing a second environmental zone for nurturing plants, transport rails extending from within the first environmental zone to within the second environmental zone, and a plurality of ebb and flood trays. The first environmental zone is located in the greenhouse in a region positioned to receive substantial amounts of sunlight. The second environmental zone is located in the warehouse in a region substantially sheltered from sunlight.
    Type: Application
    Filed: June 24, 2003
    Publication date: February 12, 2004
    Inventor: Abraham Paulus Houweling