Patents by Inventor John Zwinkels

John Zwinkels 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).

  • Training apparatus
    Patent number: 8636629
    Abstract: Training apparatus arranged for supporting a bicycle, comprising a ground-supported or supportable frame that is at least provided with a supporting roll or rollers for a bicycle back wheel that are movable in the frame in vertical direction, wherein the suspension of said roll or rollers is arranged to convert relative horizontal movements of the roll or rollers into vertical movements thereby compensating and/or attenuating said horizontal movements by gravity.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: January 28, 2014
    Assignee: TACX B.V.
    Inventor: John Zwinkels
  • Training Apparatus
    Publication number: 20110136630
    Abstract: Training apparatus arranged for supporting a bicycle, comprising a ground-supported or supportable frame that is at least provided with a supporting roll or rollers for a bicycle back wheel that are movable in the frame in vertical direction, wherein the suspension of said roll or rollers is arranged to convert relative horizontal movements of the roll or rollers into vertical movements thereby compensating and/or attenuating said horizontal movements by gravity.
    Type: Application
    Filed: November 4, 2010
    Publication date: June 9, 2011
    Applicant: TACX B.V.
    Inventor: John Zwinkels