Patents by Inventor Antonius H. J. Smits

Antonius H. J. Smits 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).

  • Platform, adjustable in height
    Patent number: 5555952
    Abstract: A platform is equipped with a chair, which chair is displaceable along a mast, and to which chair platform components can be affixed, whereby, force indication means are incorporated between the chair and the platform components so that an indication can be provided concerning the differences in the mechanical loading of the platform components located at opposite sides of the chair.A simple embodiment arises through the application of a beam which is freely-spanned with respect to the chair and which is connected in a hinged manner with the platform components, within which beam force indication means are incorporated.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: September 17, 1996
    Assignee: HEK Manufacturing B.V.
    Inventors: Johannes C. F. van Mol, Johannes B. M. Ockhuizen, Antonius H. J. Smits