Patents by Inventor Dirk Laurens Van Deursen

Dirk Laurens Van Deursen 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).

  • Bed with Lying Support and Method for Dynamically Supporting a Lying Position
    Publication number: 20090205139
    Abstract: The invention relates to a lying support such as a bed (2), wherein the lying support (3) comprises movement means for effecting a reciprocal, substantially rotating movement in the back of a person lying on the lying support (3) by imposing a rotation on the intervertebral disks, relative to one another, a mattress and movement means therefor and to a method for supporting a lying person.
    Type: Application
    Filed: February 8, 2006
    Publication date: August 20, 2009
    Applicant: DYNAMIC SLEEPING SYSTEMS INTERNATIONAL HOLDING B.V
    Inventors: Dirk Laurens Van Deursen, Leonardus Laurentius Josph Maria Van Deursen
  • Combination of a seat and a backrest supported by a frame
    Patent number: 6893090
    Abstract: The present invention relates to a combination of a seat and a backrest supported by a frame, wherein said combination includes means for effecting movement of the seat with respect to the backrest, in such a manner that a person sitting on said seat is subjected to a reciprocating pivoting movement about a substantially vertical axis. The seat comprises two parts, which parts are arranged on either side of a vertical plane that extends at least substantially transversely to the backrest. Means are provided for moving said seat parts to and fro in directions opposed to each other.
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: May 17, 2005
    Assignee: Ergodynamics Holding, B.V.
    Inventors: Dirk Laurens Van Deursen, Leonardus Laurentius Joseph Maria Van Deursen