Patents by Inventor Roelof Driel

Roelof Driel 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).

  • Child seat and belt system
    Publication number: 20060038436
    Abstract: A child seat comprising a seat portion, a back support as well as belts that can be connected to a crotch member for securing a child in the child seat. A least one belt or the crotch member is provided with a spring element, by means of which the belt or the crotch member can be moved against spring force from a first position, in which the shoulder belt and the crotch member are disconnected, to a second position, in which the shoulder belt and the crotch member are connected.
    Type: Application
    Filed: August 1, 2005
    Publication date: February 23, 2006
    Inventors: Adriaan Siewertsen, Roelof Driel