Patents by Inventor Christophe Zwahlen

Christophe Zwahlen 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).

  • TIMEPIECE ESCAPEMENT MECHANISM
    Publication number: 20210141340
    Abstract: Disclosed is an escapement mechanism (1) for a timepiece, designed to cooperate with an oscillator arranged to carry out oscillations, said mechanism (1) comprising: —a count wheel (7) arranged for step-wise forward rotation depending on the oscillations of the oscillator; —an impulse wheel (11) designed to be kinematically linked to a power source, said impulse wheel (11) being arranged to be periodically blocked and released under the control of the count wheel (7) and to supply impulses to the oscillator, characterized in that: —when said escapement mechanism (1) is operating, the count wheel (7) is continuously subjected to a torque; —and the count wheel (7) is arranged to rotate forward by one half-step of its toothing for every vibration of the oscillator.
    Type: Application
    Filed: June 20, 2019
    Publication date: May 13, 2021
    Applicants: COMPLITIME SA, GFPI SA
    Inventors: Stephen FORSEY, Robert GREUBEL, Fabrice DESCHANEL, Christophe ZWAHLEN, Florian CORNEILLE
  • Watch movement balance part
    Patent number: D650301
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: December 13, 2011
    Assignee: CompliTime SA
    Inventors: Robert Greubel, Stephen Forsey, Christophe Zwahlen
  • Watch movement balance part
    Patent number: D650302
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: December 13, 2011
    Assignee: Complitime SA
    Inventors: Robert Greubel, Stephen Forsey, Christophe Zwahlen
  • Watch movement balance part
    Patent number: D650303
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: December 13, 2011
    Assignee: CompliTime SA
    Inventors: Robert Greubel, Stephen Forsey, Christophe Zwahlen
  • Watch movement balance part
    Patent number: D650717
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: December 20, 2011
    Assignee: Complitime SA
    Inventors: Robert Greubel, Stephen Forsey, Christophe Zwahlen