Patents by Inventor Harry Nijenhuis

Harry Nijenhuis 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: 6401624
    Abstract: The present invention provides an improved railway terminal for the loading and unloading of railway cars. In particular, the present invention is directed to avoid the problems associated with railway cars springing in and out during loading or unloading. The present invention uses supports arranged on either side of the section of track, at which the railway wagon is to be loaded and unloaded, so that the loading floor of the railway wagon or car will remain at a fixed and predetermined height during the loading or unloading. The present invention contemplates the uses of cylinders or pistons as the supports used to place the railway car or wagon at a predetermined height.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: June 11, 2002
    Assignee: Harry Nijenhuis Management B.V
    Inventor: Harry Nijenhuis
  • Patent number: 4832561
    Abstract: A trash collection and removal system has a horizontal set-up surface with a plurality of standing stations for several vertically disposed cylindrical trash silos having respective pivotable covers at the two axial ends. A horizontal loading surface traveled by trash collection vehicles is arranged above the set-up surface by a distance approximately equal to the axial length of the silos. By means of this system, the costs for transport of the trash to dump sites or to incineration facilities can be substantially reduced.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: May 23, 1989
    Assignee: Hydro Mecanique Research S.A.
    Inventor: Harry Nijenhuis
  • Patent number: 4708569
    Abstract: A silo has a guide arranged along the silo container, and the guide has a stop at the upper portion of the silo. A coupling element can slide along the guide, which can be coupled with a tippable loading frame of a transport vehicle by a cable. This arrangement simplifies the loading and unloading of the silo onto or off of the transport vehicle.
    Type: Grant
    Filed: November 3, 1986
    Date of Patent: November 24, 1987
    Assignee: Hydro Mecanique Research S.A.
    Inventor: Harry Nijenhuis