Patents by Inventor Peter Gerardes van Duijnen

Peter Gerardes van Duijnen 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: 8621740
    Abstract: A water-retaining element (2) for forming a temporary water-retaining structure (1) includes a bottom (6), a plurality of side walls (8, 10), and connections (20). The plurality of side walls are immovably connected to the bottom and extend upwards from the bottom to form a water-fillable container (12). The connections connect the water-retaining element in a water-retaining manner to least one adjacent water-retaining element. The water-fillable container (12) is open at the top to receive a second water-retaining element (2) during transport and/or storage.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: January 7, 2014
    Assignees: Koninklijke BAM Groep N.V., Movares Nederland B.V.
    Inventors: Jan Sebastiaan Reedijk, Erik ten Oever, Joachim Matthijs van Gaalen, Peter Gerardes van Duijnen, Herke Gerrit Stuit
  • Publication number: 20100186216
    Abstract: A water-retaining element (2) for forming a temporary water-retaining structure (1) comprises a bottom (6), a plurality of side walls (8, 10), and connecting means (20). The plurality of side walls are immovably connected to the bottom and extend upwards from the bottom to form a water-fillable container (12). The connecting means are designed to connect the water-retaining element in a water-retaining manner to least one adjacent water-retaining element. The water-fillable container (12) is open at the top to receive a second water-retaining element (2) during transport and/or storage.
    Type: Application
    Filed: July 7, 2008
    Publication date: July 29, 2010
    Applicants: KONINKLIJKE BAM GROEP N.V., MOVARES NEDERLAND B.V.
    Inventors: Jan Sebastiaan Reedijk, Erik ten Oever, Joachim Matthijs van Gaalen, Peter Gerardes van Duijnen, Herke Gerrit Stuit