Patents by Inventor Kurt Straumann

Kurt Straumann 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).

  • Regulating body for a wristwatch
    Patent number: 9746831
    Abstract: Regulating body for a wristwatch, comprising: a generator provided with a rotor and a stator with M+N coils, M being a whole number higher than, or equal to, 1; and an electronic regulating circuit having a first load impedance with an adjustable value for adjusting the current in N of said M+N coils, and therefore the rotational speed of the rotor. Only a limited number of coils is therefore used for the braking, the other coils continuing to supply the electronic regulating circuit.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: August 29, 2017
    Assignee: Richemont International SA
    Inventors: Daho Taghezout, Willy Meier, Alexandre Michalet, Kurt Straumann
  • Movement for mechanical chronograph with quartz regulator
    Patent number: 9348316
    Abstract: Movement for chronograph watch comprising: a barrel (1); a main gear train (RH) for driving one or more current time indicators (43); a regulator member comprising a generator (8) driven by the main gear train (RH), the generator powering an electronic regulation circuit (80) to control the speed of rotation of the main gear train as a function of a quartz oscillator (81); a chronograph gear train (Rc) that can be brought into mesh with the main gear train (RH) to drive a timer indicator (152). The chronograph gear train can be brought into mesh with a wheel (8) that performs more than one revolution per minute.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: May 24, 2016
    Assignee: Richemont International SA
    Inventors: Willy Meier, Alexandre Michalet, Kurt Straumann, Daho Taghezout
  • REGULATING BODY FOR A WRISTWATCH
    Publication number: 20150316894
    Abstract: Regulating body for a wristwatch, comprising: a generator provided with a rotor and a stator with M+N coils, M being a whole number higher than, or equal to, 1; and an electronic regulating circuit having a first load impedance with an adjustable value for adjusting the current in N of said M+N coils, and therefore the rotational speed of the rotor. Only a limited number of coils is therefore used for the braking, the other coils continuing to supply the electronic regulating circuit.
    Type: Application
    Filed: December 10, 2013
    Publication date: November 5, 2015
    Inventors: Daho TAGHEZOUT, Willy MEIER, Alexandre MICHALET, Kurt STRAUMANN
  • MOVEMENT FOR MECHANICAL CHRONOGRAPH WITH QUARTZ REGULATOR
    Publication number: 20150220064
    Abstract: Movement for chronograph watch comprising: a barrel (1); a main gear train (RH) for driving one or more current time indicators (43); a regulator member comprising a generator (8) driven by the main gear train (RH), the generator powering an electronic regulation circuit (80) to control the speed of rotation of the main gear train as a function of a quartz oscillator (81); a chronograph gear train (Rc) that can be brought into mesh with the main gear train (RH) to drive a timer indicator (152). The chronograph gear train can be brought into mesh with a wheel (8) that performs more than one revolution per minute.
    Type: Application
    Filed: September 18, 2013
    Publication date: August 6, 2015
    Applicant: RICHEMONT INTERNATIONAL S.A.
    Inventors: Willy Meier, Alexandre Michalet, Kurt Straumann, Daho Taghezout