Patents by Inventor Alexandre CHAT

Alexandre CHAT 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).

  • Drive system driving a screen, and apparatus comprising such a system
    Patent number: 11719041
    Abstract: Disclosed is a drive system for driving a screen, that includes an actuator designed to drive in rotation a winding shaft associated with the screen, and a compensation spring. The compensation spring includes a first series of tums having a first spacing; and at least one second series of turns having a second spacing, with a value that is greater than the value of the first spacing.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: August 8, 2023
    Assignee: SOMFY ACTIVITES SA
    Inventor: Alexandre Chat
  • DRIVE SYSTEM DRIVING A SCREEN, AND APPARATUS COMPRISING SUCH A SYSTEM
    Publication number: 20210140233
    Abstract: Disclosed is a drive system for driving a screen, that includes an actuator designed to drive in rotation a winding shaft associated with the screen, and a compensation spring. The compensation spring includes a first series of tums having a first spacing; and at least one second series of turns having a second spacing, with a value that is greater than the value of the first spacing.
    Type: Application
    Filed: July 10, 2019
    Publication date: May 13, 2021
    Inventor: Alexandre CHAT