Patents by Inventor Timothy Roelf Van Der Veen

Timothy Roelf Van Der Veen 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).

  • Mobile surfacing machine
    Patent number: 6540596
    Abstract: A mobile surfacing machine includes a frame to which a planetary head is rotatably mounted, at least one satellite head rotatably mounted within the planetary head, the at least one satellite head being adapted for grinding a surface, a first drive mechanism for driving the planetary head and a second drive mechanism for driving the at least one satellite head, wherein the first drive mechanism and the second drive mechanism are independently operable.
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: April 1, 2003
    Inventor: Timothy Roelf Van Der Veen