Patents by Inventor Romain de Jonckheere

Romain de Jonckheere 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).

  • Wheelchair
    Patent number: 7896376
    Abstract: The wheelchair comprises a seat and two main wheels connected by an axle. A support device, comprising an exchangeable intermediate element consisting of an elastomer element located in the lacuna provided by the spiral turns of a spring, is detachably fixed at one of its end to a chassis of the seat and at its other end to the axle through a center part attached to the middle part of the axle. The center part is arranged to receive the rear ends of the two left and right main frame tubes of the wheelchair.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: March 1, 2011
    Assignee: Invacare Corporatopm
    Inventors: Dirk Dauw, Rainer Küschall, Simon Watterton, Erich Glanzmann, Thomas Markus Kohler, Romain de Jonckheere
  • Wheelchair
    Publication number: 20080067777
    Abstract: The wheelchair comprises a seat and two main wheels connected by an axle. A support device, comprising an exchangeable intermediate element consisting of an elastomer element located in the lacuna provided by the spiral turns of a spring, is detachably fixed at one of its end to a chassis of the seat and at its other end to the axle through a center part attached to the middle part of the axle. The center part is arranged to receive the rear ends of the two left and right main frame tubes of the wheelchair.
    Type: Application
    Filed: December 26, 2006
    Publication date: March 20, 2008
    Inventors: Dirk Dauw, Rainer Kuschall, Simon Watterton, Erich Glanzmann, Thomas Markus Kohler, Romain de Jonckheere