Patents by Inventor Petrus Martinus van Dijk

Petrus Martinus 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: 6360699
    Abstract: Device for heating fluid, comprising: a first section for heating the fluid in which fuel and air are mixed and combusted; a second section for heating the fluid which is disposed substantially in the line of the combustion section and in which a number of pipes for the fluid extend substantially transversely of the flow direction of the combustion gases; and a third section for heating the fluid which is disposed substantially in the line of the second heating section and in which a number of pipes for the fluid extend substantially transversely of the flow direction of the combustion gases, wherein at least a number of the pipes in the third section are provided with ribs or fins enhancing the heat transfer.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: March 26, 2002
    Assignee: Van Dijk Heating B.V.
    Inventors: Petrus Martinus van Dijk, Erik Mozes, Gilles Gerardus Hirs