Patents by Inventor Wilhelmus Johannes J. Maas

Wilhelmus Johannes J. Maas 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).

  • Publication number: 20090302063
    Abstract: The invention relates to a device for dosed dispensing of a quantity of fluid from a container, comprising:—a dosing member (3) which is in fluid connection with the container and which has a number of outlet openings debouching in a dosing chamber (4), and—a control member (6) connected fluid-tightly to the dosing member and having a control opening, wherein the control member (6) and the dosing member (3) are displaceable, for instance rotatable, relative to each other for placing the outflow openings and the control openings in register with each other for the purpose of defining different dosages. This dosing device is provided with an intermediate container (8) placed between the dosing chamber and the container and having a retention volume which is at most equal to the volume of the dosing chamber, this intermediate container being in fluid connection with the container and the dosing member.
    Type: Application
    Filed: February 13, 2007
    Publication date: December 10, 2009
    Inventors: Wilhelmus Johannes J. Maas, Petrus Lambertus W. Hurkmans