Patents by Inventor Johan Pieter Hulshoff

Johan Pieter Hulshoff 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: 6385910
    Abstract: A swivel-sliding door system for a vehicle having at least one door leaf situated in the vehicle wall in the closed state, and situated on the outside in front of the vehicle wall in the open state while leaving a door opening free. A drive as well as transverse and longitudinal guides are provided which enable a movement at the at least one door leaf transverse relative to the vehicle wall and along the vehicle wall, wherein the drive and the transverse and longitudinal guides are combined into one complete operating unit that can be mounted as one whole in the vehicle and be coupled to the at least one door leaf. The operating unit comprises a frame which, in assembled condition, is fixedly connected to the vehicle and an assembly which is movably provided in the frame and which comprises a drive motor for the door leaf movements.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: May 14, 2002
    Inventors: Pieter Smink, Johan Pieter Hulshoff, Bart van der Sloot, Frans Hesmerg, D de Roos