Patents by Inventor Bert van Dijk

Bert van Dijk 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).

  • Patent number: 8943748
    Abstract: A horticultural growing and support medium is disclosed. The horticultural growing and support medium includes a synthetic foam slab permeable to water. The foam slab has a first growing surface, wherein plants grow to ambient, and an opposite second draining surface, separated from the growing surface by the thickness of the block. A limited portion only of the second draining surface is coated with a coating having a permeability to water substantially lower than the slab material, preferably substantially impervious to water, for controlling the draining and storage of water contained in the slab. The porous slab is made of a synthetic foam having an open porosity.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: February 3, 2015
    Assignee: Rectigro B.V.
    Inventors: Anne Jancic, Huib Hesse, Bert Van Dijk
  • Publication number: 20140033608
    Abstract: A horticultural growing and support medium is disclosed. The horticultural growing and support medium includes a synthetic foam slab permeable to water. The foam slab has a first growing surface, wherein plants grow to ambient, and an opposite second draining surface, separated from the growing surface by the thickness of the block. A limited portion only of the second draining surface is coated with a coating having a permeability to water substantially lower than the slab material, preferably substantially impervious to water, for controlling the draining and storage of water contained in the slab. The porous slab is made of a synthetic foam having an open porosity.
    Type: Application
    Filed: February 29, 2012
    Publication date: February 6, 2014
    Inventors: Anne Jancic, Huib Hesse, Bert Van Dijk
  • Patent number: D561426
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: February 12, 2008
    Assignee: Mars, Incorporated
    Inventors: Hugo Eitler, Bert van Dijk, Jan Arts, Tineke Leijdens, Nathalie Matysiak
  • Patent number: D575477
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: August 26, 2008
    Assignee: MARS, Incorporated
    Inventors: Hugo Eitler, Bert Van Dijk, Jan Arts, Tineke Leijdens, Nathalie Matysiak