Patents by Inventor Ronald Hendrikus Dionisius Elbersen

Ronald Hendrikus Dionisius Elbersen 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).

  • Exercise device
    Patent number: 10384097
    Abstract: An exercise device, such as a bicycle or spinning bike, includes a frame, a first set of crank arms connected to a rotary shaft supported by the frame and having an imaginary rotational axis stationary with respect to the frame. A second set of crank arms is mounted eccentrically with respect to the rotational axis of the rotary shaft. A second shaft is coupled to the second set of crank arms such that rotation of the second shaft generates vibrations of the crank arms in the second set of crank arms.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: August 20, 2019
    Assignee: ELBERSEN BEHEER B.V.
    Inventors: Jan Wouter Kaan, Ronald Hendrikus Dionisius Elbersen
  • Exercise Device
    Publication number: 20150080190
    Abstract: The invention relates to an exercise device, such as a bicycle or spinning bike, comprising a frame and a set of crank arms connected to a rotary shaft having an imaginary rotational axis stationary with respect to the frame. A further set of crank arms is mounted eccentrically with respect to the rotational axis of the shaft.
    Type: Application
    Filed: September 10, 2014
    Publication date: March 19, 2015
    Inventors: Jan Wouter Kaan, Ronald Hendrikus Dionisius Elbersen