Patents by Inventor Martinus Josephus Hester

Martinus Josephus Hester 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: 7523807
    Abstract: The present invention relates to a device for transport along a staircase of persons and/or goods, which staircase extends between two platforms, and wherein the device includes: a guide which in the arranged situation extends at least along the staircase, a stationary segment and at least one tiltable segment; a tilting mechanism between the segments so as to selectively tilt the tiltable segment between a position lying in line with the stationary segment and a position substantially folded out of the space above one of the platforms; a carriage with transport means for persons and/or goods and a drive for advancing movement along the guide; and a transmission to selectively engage the carriage in the vicinity of the tilting mechanism to transmit movement of the carriage along the guide onto the tiltable segment for a tilting movement thereof.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: April 28, 2009
    Assignee: Freelift B.V.
    Inventors: Dennis Vroegindeweij, Martinus Josephus Hester